Merge branch 'for-next/at91-pmc-clk'

29 files changed, 3220 insertions, 978 deletions

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index b101e61d22..efed738278 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -53,12 +53,38 @@ config SOC_AT91SAM9
 	select AT91SAM9_SMC
 	select CLOCKSOURCE_ATMEL_PIT
 	select PINCTRL
+	select HAVE_AT91_SMD
+	select HAVE_AT91_USB_CLK
+	select HAVE_AT91_UTMI
 
 config SOC_SAMA5
 	bool
 	select CPU_V7
+
+config SOC_SAMA5D2
+	bool
+	select SOC_SAMA5
+	select AT91SAM9_SMC
+	select CLOCKSOURCE_ATMEL_PIT
+
+config SOC_SAMA5D3
+	bool
+	select SOC_SAMA5
 	select AT91SAM9_SMC
 	select CLOCKSOURCE_ATMEL_PIT
+	select HAVE_AT91_SMD
+	select HAVE_AT91_USB_CLK
+	select HAVE_AT91_UTMI
+
+config SOC_SAMA5D4
+	bool
+	select SOC_SAMA5
+	select AT91SAM9_SMC
+	select CLOCKSOURCE_ATMEL_PIT
+	select HAVE_AT91_H32MX
+	select HAVE_AT91_SMD
+	select HAVE_AT91_USB_CLK
+	select HAVE_AT91_UTMI
 
 config ARCH_TEXT_BASE
 	hex
@@ -82,8 +108,9 @@ comment "Atmel AT91 System-on-Chip"
 config SOC_AT91RM9200
 	bool
 	select CPU_ARM920T
-	select HAVE_AT91_DBGU0
 	select HAS_AT91_ETHER
+	select HAVE_AT91_DBGU0
+	select HAVE_AT91_USB_CLK
 
 config SOC_AT91SAM9260
 	bool
@@ -122,9 +149,6 @@ config SOC_AT91SAM9X5
 	select SOC_AT91SAM9
 	select HAVE_AT91_DBGU0
 	select HAS_MACB
-	select HAVE_AT91_SMD
-	select HAVE_AT91_USB_CLK
-	select HAVE_AT91_UTMI
 	select COMMON_CLK_OF_PROVIDER
 	help
 	  Select this if you are using one of Atmel's AT91SAM9x5 family SoC.
@@ -188,14 +212,14 @@ config ARCH_AT91SAM9N12
 
 config ARCH_SAMA5D3
 	bool "SAMA5D3x"
-	select SOC_SAMA5
+	select SOC_SAMA5D3
 	select HAVE_AT91_DBGU1
 	select HAS_MACB
 	select HAVE_MACH_ARM_HEAD
 
 config ARCH_SAMA5D4
 	bool "SAMA5D4"
-	select SOC_SAMA5
+	select SOC_SAMA5D4
 	select HAVE_AT91_DBGU2
 	select HAS_MACB
 	select HAVE_MACH_ARM_HEAD
@@ -522,7 +546,6 @@ config MACH_AT91SAM9263EK
 	depends on ARCH_AT91SAM9263
 	select OFDEVICE
 	select COMMON_CLK_OF_PROVIDER
-	select HAVE_AT91_USB_CLK
 	select HAVE_NAND_ATMEL_BUSWIDTH_16
 	select HAVE_AT91_BOOTSTRAP
 	select AT91SAM926X_BOARD_INIT
diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h
index 886f81e9ad..4c4b51180c 100644
--- a/arch/arm/mach-at91/include/mach/board.h
+++ b/arch/arm/mach-at91/include/mach/board.h
@@ -102,6 +102,7 @@ resource_size_t __init at91_configure_usart2(unsigned pins);
 resource_size_t __init at91_configure_usart3(unsigned pins);
 resource_size_t __init at91_configure_usart4(unsigned pins);
 resource_size_t __init at91_configure_usart5(unsigned pins);
+resource_size_t __init at91_configure_usart6(unsigned pins);
 
 #if defined(CONFIG_DRIVER_SERIAL_ATMEL)
 static inline struct device_d * at91_register_uart(unsigned id, unsigned pins)
diff --git a/drivers/clk/at91/Makefile b/drivers/clk/at91/Makefile
index 13e67bd35c..bf9b27f0f4 100644
--- a/drivers/clk/at91/Makefile
+++ b/drivers/clk/at91/Makefile
@@ -11,3 +11,9 @@ obj-$(CONFIG_HAVE_AT91_USB_CLK)		+= clk-usb.o
 obj-$(CONFIG_HAVE_AT91_SMD)		+= clk-smd.o
 obj-$(CONFIG_HAVE_AT91_H32MX)		+= clk-h32mx.o
 obj-$(CONFIG_HAVE_AT91_GENERATED_CLK)	+= clk-generated.o
+obj-$(CONFIG_SOC_AT91SAM9) 		+= at91sam9260.o
+obj-$(CONFIG_SOC_AT91SAM9) 		+= at91sam9rl.o
+obj-$(CONFIG_SOC_AT91SAM9) 		+= at91sam9x5.o
+obj-$(CONFIG_SOC_SAMA5D2) 		+= sama5d2.o
+obj-$(CONFIG_SOC_SAMA5D3)		+= dt-compat.o
+obj-$(CONFIG_SOC_SAMA5D4) 		+= sama5d4.o
diff --git a/drivers/clk/at91/at91sam9260.c b/drivers/clk/at91/at91sam9260.c
new file mode 100644
index 0000000000..ac67dcc8f7
--- /dev/null
+++ b/drivers/clk/at91/at91sam9260.c
@@ -0,0 +1,497 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <driver.h>
+#include <regmap.h>
+#include <stdio.h>
+#include <mfd/syscon.h>
+
+#include <linux/clk.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+
+#include <dt-bindings/clock/at91.h>
+
+#include "pmc.h"
+
+struct sck {
+	char *n;
+	char *p;
+	u8 id;
+};
+
+struct pck {
+	char *n;
+	u8 id;
+};
+
+struct at91sam926x_data {
+	const struct clk_pll_layout *plla_layout;
+	const struct clk_pll_characteristics *plla_characteristics;
+	const struct clk_pll_layout *pllb_layout;
+	const struct clk_pll_characteristics *pllb_characteristics;
+	const struct clk_master_characteristics *mck_characteristics;
+	const struct sck *sck;
+	const struct pck *pck;
+	u8 num_sck;
+	u8 num_pck;
+	u8 num_progck;
+	bool has_slck;
+};
+
+static const struct clk_master_characteristics sam9260_mck_characteristics = {
+	.output = { .min = 0, .max = 105000000 },
+	.divisors = { 1, 2, 4, 0 },
+};
+
+static u8 sam9260_plla_out[] = { 0, 2 };
+
+static u16 sam9260_plla_icpll[] = { 1, 1 };
+
+static struct clk_range sam9260_plla_outputs[] = {
+	{ .min = 80000000, .max = 160000000 },
+	{ .min = 150000000, .max = 240000000 },
+};
+
+static const struct clk_pll_characteristics sam9260_plla_characteristics = {
+	.input = { .min = 1000000, .max = 32000000 },
+	.num_output = ARRAY_SIZE(sam9260_plla_outputs),
+	.output = sam9260_plla_outputs,
+	.icpll = sam9260_plla_icpll,
+	.out = sam9260_plla_out,
+};
+
+static u8 sam9260_pllb_out[] = { 1 };
+
+static u16 sam9260_pllb_icpll[] = { 1 };
+
+static struct clk_range sam9260_pllb_outputs[] = {
+	{ .min = 70000000, .max = 130000000 },
+};
+
+static const struct clk_pll_characteristics sam9260_pllb_characteristics = {
+	.input = { .min = 1000000, .max = 5000000 },
+	.num_output = ARRAY_SIZE(sam9260_pllb_outputs),
+	.output = sam9260_pllb_outputs,
+	.icpll = sam9260_pllb_icpll,
+	.out = sam9260_pllb_out,
+};
+
+static const struct sck at91sam9260_systemck[] = {
+	{ .n = "uhpck", .p = "usbck",    .id = 6 },
+	{ .n = "udpck", .p = "usbck",    .id = 7 },
+	{ .n = "pck0",  .p = "prog0",    .id = 8 },
+	{ .n = "pck1",  .p = "prog1",    .id = 9 },
+};
+
+static const struct pck at91sam9260_periphck[] = {
+	{ .n = "pioA_clk",   .id = 2 },
+	{ .n = "pioB_clk",   .id = 3 },
+	{ .n = "pioC_clk",   .id = 4 },
+	{ .n = "adc_clk",    .id = 5 },
+	{ .n = "usart0_clk", .id = 6 },
+	{ .n = "usart1_clk", .id = 7 },
+	{ .n = "usart2_clk", .id = 8 },
+	{ .n = "mci0_clk",   .id = 9 },
+	{ .n = "udc_clk",    .id = 10 },
+	{ .n = "twi0_clk",   .id = 11 },
+	{ .n = "spi0_clk",   .id = 12 },
+	{ .n = "spi1_clk",   .id = 13 },
+	{ .n = "ssc0_clk",   .id = 14 },
+	{ .n = "tc0_clk",    .id = 17 },
+	{ .n = "tc1_clk",    .id = 18 },
+	{ .n = "tc2_clk",    .id = 19 },
+	{ .n = "ohci_clk",   .id = 20 },
+	{ .n = "macb0_clk",  .id = 21 },
+	{ .n = "isi_clk",    .id = 22 },
+	{ .n = "usart3_clk", .id = 23 },
+	{ .n = "uart0_clk",  .id = 24 },
+	{ .n = "uart1_clk",  .id = 25 },
+	{ .n = "tc3_clk",    .id = 26 },
+	{ .n = "tc4_clk",    .id = 27 },
+	{ .n = "tc5_clk",    .id = 28 },
+};
+
+static struct at91sam926x_data at91sam9260_data = {
+	.plla_layout = &at91rm9200_pll_layout,
+	.plla_characteristics = &sam9260_plla_characteristics,
+	.pllb_layout = &at91rm9200_pll_layout,
+	.pllb_characteristics = &sam9260_pllb_characteristics,
+	.mck_characteristics = &sam9260_mck_characteristics,
+	.sck = at91sam9260_systemck,
+	.num_sck = ARRAY_SIZE(at91sam9260_systemck),
+	.pck = at91sam9260_periphck,
+	.num_pck = ARRAY_SIZE(at91sam9260_periphck),
+	.num_progck = 2,
+	.has_slck = true,
+};
+
+static const struct clk_master_characteristics sam9g20_mck_characteristics = {
+	.output = { .min = 0, .max = 133000000 },
+	.divisors = { 1, 2, 4, 6 },
+};
+
+static u8 sam9g20_plla_out[] = { 0, 1, 2, 3, 0, 1, 2, 3 };
+
+static u16 sam9g20_plla_icpll[] = { 0, 0, 0, 0, 1, 1, 1, 1 };
+
+static struct clk_range sam9g20_plla_outputs[] = {
+	{ .min = 745000000, .max = 800000000 },
+	{ .min = 695000000, .max = 750000000 },
+	{ .min = 645000000, .max = 700000000 },
+	{ .min = 595000000, .max = 650000000 },
+	{ .min = 545000000, .max = 600000000 },
+	{ .min = 495000000, .max = 550000000 },
+	{ .min = 445000000, .max = 500000000 },
+	{ .min = 400000000, .max = 450000000 },
+};
+
+static const struct clk_pll_characteristics sam9g20_plla_characteristics = {
+	.input = { .min = 2000000, .max = 32000000 },
+	.num_output = ARRAY_SIZE(sam9g20_plla_outputs),
+	.output = sam9g20_plla_outputs,
+	.icpll = sam9g20_plla_icpll,
+	.out = sam9g20_plla_out,
+};
+
+static u8 sam9g20_pllb_out[] = { 0 };
+
+static u16 sam9g20_pllb_icpll[] = { 0 };
+
+static struct clk_range sam9g20_pllb_outputs[] = {
+	{ .min = 30000000, .max = 100000000 },
+};
+
+static const struct clk_pll_characteristics sam9g20_pllb_characteristics = {
+	.input = { .min = 2000000, .max = 32000000 },
+	.num_output = ARRAY_SIZE(sam9g20_pllb_outputs),
+	.output = sam9g20_pllb_outputs,
+	.icpll = sam9g20_pllb_icpll,
+	.out = sam9g20_pllb_out,
+};
+
+static struct at91sam926x_data at91sam9g20_data = {
+	.plla_layout = &at91sam9g45_pll_layout,
+	.plla_characteristics = &sam9g20_plla_characteristics,
+	.pllb_layout = &at91sam9g20_pllb_layout,
+	.pllb_characteristics = &sam9g20_pllb_characteristics,
+	.mck_characteristics = &sam9g20_mck_characteristics,
+	.sck = at91sam9260_systemck,
+	.num_sck = ARRAY_SIZE(at91sam9260_systemck),
+	.pck = at91sam9260_periphck,
+	.num_pck = ARRAY_SIZE(at91sam9260_periphck),
+	.num_progck = 2,
+	.has_slck = true,
+};
+
+static const struct clk_master_characteristics sam9261_mck_characteristics = {
+	.output = { .min = 0, .max = 94000000 },
+	.divisors = { 1, 2, 4, 0 },
+};
+
+static struct clk_range sam9261_plla_outputs[] = {
+	{ .min = 80000000, .max = 200000000 },
+	{ .min = 190000000, .max = 240000000 },
+};
+
+static const struct clk_pll_characteristics sam9261_plla_characteristics = {
+	.input = { .min = 1000000, .max = 32000000 },
+	.num_output = ARRAY_SIZE(sam9261_plla_outputs),
+	.output = sam9261_plla_outputs,
+	.icpll = sam9260_plla_icpll,
+	.out = sam9260_plla_out,
+};
+
+static u8 sam9261_pllb_out[] = { 1 };
+
+static u16 sam9261_pllb_icpll[] = { 1 };
+
+static struct clk_range sam9261_pllb_outputs[] = {
+	{ .min = 70000000, .max = 130000000 },
+};
+
+static const struct clk_pll_characteristics sam9261_pllb_characteristics = {
+	.input = { .min = 1000000, .max = 5000000 },
+	.num_output = ARRAY_SIZE(sam9261_pllb_outputs),
+	.output = sam9261_pllb_outputs,
+	.icpll = sam9261_pllb_icpll,
+	.out = sam9261_pllb_out,
+};
+
+static const struct sck at91sam9261_systemck[] = {
+	{ .n = "uhpck", .p = "usbck",    .id = 6 },
+	{ .n = "udpck", .p = "usbck",    .id = 7 },
+	{ .n = "pck0",  .p = "prog0",    .id = 8 },
+	{ .n = "pck1",  .p = "prog1",    .id = 9 },
+	{ .n = "pck2",  .p = "prog2",    .id = 10 },
+	{ .n = "pck3",  .p = "prog3",    .id = 11 },
+	{ .n = "hclk0", .p = "masterck", .id = 16 },
+	{ .n = "hclk1", .p = "masterck", .id = 17 },
+};
+
+static const struct pck at91sam9261_periphck[] = {
+	{ .n = "pioA_clk",   .id = 2, },
+	{ .n = "pioB_clk",   .id = 3, },
+	{ .n = "pioC_clk",   .id = 4, },
+	{ .n = "usart0_clk", .id = 6, },
+	{ .n = "usart1_clk", .id = 7, },
+	{ .n = "usart2_clk", .id = 8, },
+	{ .n = "mci0_clk",   .id = 9, },
+	{ .n = "udc_clk",    .id = 10, },
+	{ .n = "twi0_clk",   .id = 11, },
+	{ .n = "spi0_clk",   .id = 12, },
+	{ .n = "spi1_clk",   .id = 13, },
+	{ .n = "ssc0_clk",   .id = 14, },
+	{ .n = "ssc1_clk",   .id = 15, },
+	{ .n = "ssc2_clk",   .id = 16, },
+	{ .n = "tc0_clk",    .id = 17, },
+	{ .n = "tc1_clk",    .id = 18, },
+	{ .n = "tc2_clk",    .id = 19, },
+	{ .n = "ohci_clk",   .id = 20, },
+	{ .n = "lcd_clk",    .id = 21, },
+};
+
+static struct at91sam926x_data at91sam9261_data = {
+	.plla_layout = &at91rm9200_pll_layout,
+	.plla_characteristics = &sam9261_plla_characteristics,
+	.pllb_layout = &at91rm9200_pll_layout,
+	.pllb_characteristics = &sam9261_pllb_characteristics,
+	.mck_characteristics = &sam9261_mck_characteristics,
+	.sck = at91sam9261_systemck,
+	.num_sck = ARRAY_SIZE(at91sam9261_systemck),
+	.pck = at91sam9261_periphck,
+	.num_pck = ARRAY_SIZE(at91sam9261_periphck),
+	.num_progck = 4,
+};
+
+static const struct clk_master_characteristics sam9263_mck_characteristics = {
+	.output = { .min = 0, .max = 120000000 },
+	.divisors = { 1, 2, 4, 0 },
+};
+
+static struct clk_range sam9263_pll_outputs[] = {
+	{ .min = 80000000, .max = 200000000 },
+	{ .min = 190000000, .max = 240000000 },
+};
+
+static const struct clk_pll_characteristics sam9263_pll_characteristics = {
+	.input = { .min = 1000000, .max = 32000000 },
+	.num_output = ARRAY_SIZE(sam9263_pll_outputs),
+	.output = sam9263_pll_outputs,
+	.icpll = sam9260_plla_icpll,
+	.out = sam9260_plla_out,
+};
+
+static const struct sck at91sam9263_systemck[] = {
+	{ .n = "uhpck", .p = "usbck",    .id = 6 },
+	{ .n = "udpck", .p = "usbck",    .id = 7 },
+	{ .n = "pck0",  .p = "prog0",    .id = 8 },
+	{ .n = "pck1",  .p = "prog1",    .id = 9 },
+	{ .n = "pck2",  .p = "prog2",    .id = 10 },
+	{ .n = "pck3",  .p = "prog3",    .id = 11 },
+};
+
+static const struct pck at91sam9263_periphck[] = {
+	{ .n = "pioA_clk",   .id = 2, },
+	{ .n = "pioB_clk",   .id = 3, },
+	{ .n = "pioCDE_clk", .id = 4, },
+	{ .n = "usart0_clk", .id = 7, },
+	{ .n = "usart1_clk", .id = 8, },
+	{ .n = "usart2_clk", .id = 9, },
+	{ .n = "mci0_clk",   .id = 10, },
+	{ .n = "mci1_clk",   .id = 11, },
+	{ .n = "can_clk",    .id = 12, },
+	{ .n = "twi0_clk",   .id = 13, },
+	{ .n = "spi0_clk",   .id = 14, },
+	{ .n = "spi1_clk",   .id = 15, },
+	{ .n = "ssc0_clk",   .id = 16, },
+	{ .n = "ssc1_clk",   .id = 17, },
+	{ .n = "ac97_clk",   .id = 18, },
+	{ .n = "tcb_clk",    .id = 19, },
+	{ .n = "pwm_clk",    .id = 20, },
+	{ .n = "macb0_clk",  .id = 21, },
+	{ .n = "g2de_clk",   .id = 23, },
+	{ .n = "udc_clk",    .id = 24, },
+	{ .n = "isi_clk",    .id = 25, },
+	{ .n = "lcd_clk",    .id = 26, },
+	{ .n = "dma_clk",    .id = 27, },
+	{ .n = "ohci_clk",   .id = 29, },
+};
+
+static struct at91sam926x_data at91sam9263_data = {
+	.plla_layout = &at91rm9200_pll_layout,
+	.plla_characteristics = &sam9263_pll_characteristics,
+	.pllb_layout = &at91rm9200_pll_layout,
+	.pllb_characteristics = &sam9263_pll_characteristics,
+	.mck_characteristics = &sam9263_mck_characteristics,
+	.sck = at91sam9263_systemck,
+	.num_sck = ARRAY_SIZE(at91sam9263_systemck),
+	.pck = at91sam9263_periphck,
+	.num_pck = ARRAY_SIZE(at91sam9263_periphck),
+	.num_progck = 4,
+};
+
+static void __init at91sam926x_pmc_setup(struct device_node *np,
+					 struct at91sam926x_data *data)
+{
+	const char *slowxtal_name, *mainxtal_name;
+	struct pmc_data *at91sam9260_pmc;
+	u32 usb_div[] = { 1, 2, 4, 0 };
+	const char *parent_names[6];
+	const char *slck_name;
+	struct regmap *regmap;
+	struct clk *hw;
+	int i;
+	bool bypass;
+
+	i = of_property_match_string(np, "clock-names", "slow_xtal");
+	if (i < 0)
+		return;
+
+	slowxtal_name = of_clk_get_parent_name(np, i);
+
+	i = of_property_match_string(np, "clock-names", "main_xtal");
+	if (i < 0)
+		return;
+	mainxtal_name = of_clk_get_parent_name(np, i);
+
+	regmap = syscon_node_to_regmap(np);
+	if (IS_ERR(regmap))
+		return;
+
+	at91sam9260_pmc = pmc_data_allocate(PMC_MAIN + 1,
+					    ndck(data->sck, data->num_sck),
+					    ndck(data->pck, data->num_pck), 0);
+	if (!at91sam9260_pmc)
+		return;
+
+	bypass = of_property_read_bool(np, "atmel,osc-bypass");
+
+	hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name,
+					bypass);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	hw = at91_clk_register_rm9200_main(regmap, "mainck", "main_osc");
+	if (IS_ERR(hw))
+		goto err_free;
+
+	at91sam9260_pmc->chws[PMC_MAIN] = hw;
+
+	if (data->has_slck) {
+		hw = clk_fixed("slow_rc_osc", 32768);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		parent_names[0] = "slow_rc_osc";
+		parent_names[1] = "slow_xtal";
+		hw = at91_clk_register_sam9260_slow(regmap, "slck",
+						    parent_names, 2);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		at91sam9260_pmc->chws[PMC_SLOW] = hw;
+		slck_name = "slck";
+	} else {
+		slck_name = slowxtal_name;
+	}
+
+	hw = at91_clk_register_pll(regmap, "pllack", "mainck", 0,
+				   data->plla_layout,
+				   data->plla_characteristics);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	hw = at91_clk_register_pll(regmap, "pllbck", "mainck", 1,
+				   data->pllb_layout,
+				   data->pllb_characteristics);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	parent_names[0] = slck_name;
+	parent_names[1] = "mainck";
+	parent_names[2] = "pllack";
+	parent_names[3] = "pllbck";
+	hw = at91_clk_register_master(regmap, "masterck", 4, parent_names,
+				      &at91rm9200_master_layout,
+				      data->mck_characteristics);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	at91sam9260_pmc->chws[PMC_MCK] = hw;
+
+	hw = at91rm9200_clk_register_usb(regmap, "usbck", "pllbck", usb_div);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	parent_names[0] = slck_name;
+	parent_names[1] = "mainck";
+	parent_names[2] = "pllack";
+	parent_names[3] = "pllbck";
+	for (i = 0; i < data->num_progck; i++) {
+		char *name;
+
+		name = xasprintf("prog%d", i);
+
+		hw = at91_clk_register_programmable(regmap, name,
+						    parent_names, 4, i,
+						    &at91rm9200_programmable_layout);
+		if (IS_ERR(hw))
+			goto err_free;
+	}
+
+	for (i = 0; i < data->num_sck; i++) {
+		hw = at91_clk_register_system(regmap, data->sck[i].n,
+					      data->sck[i].p,
+					      data->sck[i].id);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		at91sam9260_pmc->shws[data->sck[i].id] = hw;
+	}
+
+	for (i = 0; i < data->num_pck; i++) {
+		hw = at91_clk_register_peripheral(regmap,
+						  data->pck[i].n,
+						  "masterck",
+						  data->pck[i].id);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		at91sam9260_pmc->phws[data->pck[i].id] = hw;
+	}
+
+	of_clk_add_provider(np, of_clk_hw_pmc_get, at91sam9260_pmc);
+
+	return;
+
+err_free:
+	pmc_data_free(at91sam9260_pmc);
+}
+
+static void __init at91sam9260_pmc_setup(struct device_node *np)
+{
+	at91sam926x_pmc_setup(np, &at91sam9260_data);
+}
+CLK_OF_DECLARE_DRIVER(at91sam9260_pmc, "atmel,at91sam9260-pmc",
+		      at91sam9260_pmc_setup);
+
+static void __init at91sam9261_pmc_setup(struct device_node *np)
+{
+	at91sam926x_pmc_setup(np, &at91sam9261_data);
+}
+CLK_OF_DECLARE_DRIVER(at91sam9261_pmc, "atmel,at91sam9261-pmc",
+		      at91sam9261_pmc_setup);
+
+static void __init at91sam9263_pmc_setup(struct device_node *np)
+{
+	at91sam926x_pmc_setup(np, &at91sam9263_data);
+}
+CLK_OF_DECLARE_DRIVER(at91sam9263_pmc, "atmel,at91sam9263-pmc",
+		      at91sam9263_pmc_setup);
+
+static void __init at91sam9g20_pmc_setup(struct device_node *np)
+{
+	at91sam926x_pmc_setup(np, &at91sam9g20_data);
+}
+CLK_OF_DECLARE_DRIVER(at91sam9g20_pmc, "atmel,at91sam9g20-pmc",
+		      at91sam9g20_pmc_setup);
diff --git a/drivers/clk/at91/at91sam9rl.c b/drivers/clk/at91/at91sam9rl.c
new file mode 100644
index 0000000000..82acb38257
--- /dev/null
+++ b/drivers/clk/at91/at91sam9rl.c
@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <driver.h>
+#include <regmap.h>
+#include <stdio.h>
+#include <mfd/syscon.h>
+
+#include <linux/clk.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+
+#include <dt-bindings/clock/at91.h>
+
+#include "pmc.h"
+
+static const struct clk_master_characteristics sam9rl_mck_characteristics = {
+	.output = { .min = 0, .max = 94000000 },
+	.divisors = { 1, 2, 4, 0 },
+};
+
+static u8 sam9rl_plla_out[] = { 0, 2 };
+
+static struct clk_range sam9rl_plla_outputs[] = {
+	{ .min = 80000000, .max = 200000000 },
+	{ .min = 190000000, .max = 240000000 },
+};
+
+static const struct clk_pll_characteristics sam9rl_plla_characteristics = {
+	.input = { .min = 1000000, .max = 32000000 },
+	.num_output = ARRAY_SIZE(sam9rl_plla_outputs),
+	.output = sam9rl_plla_outputs,
+	.out = sam9rl_plla_out,
+};
+
+static const struct {
+	char *n;
+	char *p;
+	u8 id;
+} at91sam9rl_systemck[] = {
+	{ .n = "pck0",  .p = "prog0",    .id = 8 },
+	{ .n = "pck1",  .p = "prog1",    .id = 9 },
+};
+
+static const struct {
+	char *n;
+	u8 id;
+} at91sam9rl_periphck[] = {
+	{ .n = "pioA_clk",   .id = 2, },
+	{ .n = "pioB_clk",   .id = 3, },
+	{ .n = "pioC_clk",   .id = 4, },
+	{ .n = "pioD_clk",   .id = 5, },
+	{ .n = "usart0_clk", .id = 6, },
+	{ .n = "usart1_clk", .id = 7, },
+	{ .n = "usart2_clk", .id = 8, },
+	{ .n = "usart3_clk", .id = 9, },
+	{ .n = "mci0_clk",   .id = 10, },
+	{ .n = "twi0_clk",   .id = 11, },
+	{ .n = "twi1_clk",   .id = 12, },
+	{ .n = "spi0_clk",   .id = 13, },
+	{ .n = "ssc0_clk",   .id = 14, },
+	{ .n = "ssc1_clk",   .id = 15, },
+	{ .n = "tc0_clk",    .id = 16, },
+	{ .n = "tc1_clk",    .id = 17, },
+	{ .n = "tc2_clk",    .id = 18, },
+	{ .n = "pwm_clk",    .id = 19, },
+	{ .n = "adc_clk",    .id = 20, },
+	{ .n = "dma0_clk",   .id = 21, },
+	{ .n = "udphs_clk",  .id = 22, },
+	{ .n = "lcd_clk",    .id = 23, },
+};
+
+static void __init at91sam9rl_pmc_setup(struct device_node *np)
+{
+	const char *slck_name, *mainxtal_name;
+	struct pmc_data *at91sam9rl_pmc;
+	const char *parent_names[6];
+	struct regmap *regmap;
+	struct clk *hw;
+	int i;
+
+	i = of_property_match_string(np, "clock-names", "slow_clk");
+	if (i < 0)
+		return;
+
+	slck_name = of_clk_get_parent_name(np, i);
+
+	i = of_property_match_string(np, "clock-names", "main_xtal");
+	if (i < 0)
+		return;
+	mainxtal_name = of_clk_get_parent_name(np, i);
+
+	regmap = syscon_node_to_regmap(np);
+	if (IS_ERR(regmap))
+		return;
+
+	at91sam9rl_pmc = pmc_data_allocate(PMC_MAIN + 1,
+					   nck(at91sam9rl_systemck),
+					   nck(at91sam9rl_periphck), 0);
+	if (!at91sam9rl_pmc)
+		return;
+
+	hw = at91_clk_register_rm9200_main(regmap, "mainck", mainxtal_name);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	at91sam9rl_pmc->chws[PMC_MAIN] = hw;
+
+	hw = at91_clk_register_pll(regmap, "pllack", "mainck", 0,
+				   &at91rm9200_pll_layout,
+				   &sam9rl_plla_characteristics);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck");
+	if (IS_ERR(hw))
+		goto err_free;
+
+	at91sam9rl_pmc->chws[PMC_UTMI] = hw;
+
+	parent_names[0] = slck_name;
+	parent_names[1] = "mainck";
+	parent_names[2] = "pllack";
+	parent_names[3] = "utmick";
+	hw = at91_clk_register_master(regmap, "masterck", 4, parent_names,
+				      &at91rm9200_master_layout,
+				      &sam9rl_mck_characteristics);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	at91sam9rl_pmc->chws[PMC_MCK] = hw;
+
+	parent_names[0] = slck_name;
+	parent_names[1] = "mainck";
+	parent_names[2] = "pllack";
+	parent_names[3] = "utmick";
+	parent_names[4] = "masterck";
+	for (i = 0; i < 2; i++) {
+		char *name;
+
+		name = xasprintf("prog%d", i);
+
+		hw = at91_clk_register_programmable(regmap, name,
+						    parent_names, 5, i,
+						    &at91rm9200_programmable_layout);
+		if (IS_ERR(hw))
+			goto err_free;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(at91sam9rl_systemck); i++) {
+		hw = at91_clk_register_system(regmap, at91sam9rl_systemck[i].n,
+					      at91sam9rl_systemck[i].p,
+					      at91sam9rl_systemck[i].id);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		at91sam9rl_pmc->shws[at91sam9rl_systemck[i].id] = hw;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(at91sam9rl_periphck); i++) {
+		hw = at91_clk_register_peripheral(regmap,
+						  at91sam9rl_periphck[i].n,
+						  "masterck",
+						  at91sam9rl_periphck[i].id);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		at91sam9rl_pmc->phws[at91sam9rl_periphck[i].id] = hw;
+	}
+
+	of_clk_add_provider(np, of_clk_hw_pmc_get, at91sam9rl_pmc);
+
+	return;
+
+err_free:
+	pmc_data_free(at91sam9rl_pmc);
+}
+CLK_OF_DECLARE_DRIVER(at91sam9rl_pmc, "atmel,at91sam9rl-pmc", at91sam9rl_pmc_setup);
diff --git a/drivers/clk/at91/at91sam9x5.c b/drivers/clk/at91/at91sam9x5.c
new file mode 100644
index 0000000000..5e0aacfbf6
--- /dev/null
+++ b/drivers/clk/at91/at91sam9x5.c
@@ -0,0 +1,315 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <driver.h>
+#include <regmap.h>
+#include <stdio.h>
+#include <mfd/syscon.h>
+
+#include <linux/clk.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+
+#include <dt-bindings/clock/at91.h>
+
+#include "pmc.h"
+
+static const struct clk_master_characteristics mck_characteristics = {
+	.output = { .min = 0, .max = 133333333 },
+	.divisors = { 1, 2, 4, 3 },
+	.have_div3_pres = 1,
+};
+
+static u8 plla_out[] = { 0, 1, 2, 3, 0, 1, 2, 3 };
+
+static u16 plla_icpll[] = { 0, 0, 0, 0, 1, 1, 1, 1 };
+
+static struct clk_range plla_outputs[] = {
+	{ .min = 745000000, .max = 800000000 },
+	{ .min = 695000000, .max = 750000000 },
+	{ .min = 645000000, .max = 700000000 },
+	{ .min = 595000000, .max = 650000000 },
+	{ .min = 545000000, .max = 600000000 },
+	{ .min = 495000000, .max = 555000000 },
+	{ .min = 445000000, .max = 500000000 },
+	{ .min = 400000000, .max = 450000000 },
+};
+
+static const struct clk_pll_characteristics plla_characteristics = {
+	.input = { .min = 2000000, .max = 32000000 },
+	.num_output = ARRAY_SIZE(plla_outputs),
+	.output = plla_outputs,
+	.icpll = plla_icpll,
+	.out = plla_out,
+};
+
+static const struct {
+	char *n;
+	char *p;
+	u8 id;
+} at91sam9x5_systemck[] = {
+	{ .n = "ddrck", .p = "masterck", .id = 2 },
+	{ .n = "smdck", .p = "smdclk",   .id = 4 },
+	{ .n = "uhpck", .p = "usbck",    .id = 6 },
+	{ .n = "udpck", .p = "usbck",    .id = 7 },
+	{ .n = "pck0",  .p = "prog0",    .id = 8 },
+	{ .n = "pck1",  .p = "prog1",    .id = 9 },
+};
+
+struct pck {
+	char *n;
+	u8 id;
+};
+
+static const struct pck at91sam9x5_periphck[] = {
+	{ .n = "pioAB_clk",  .id = 2, },
+	{ .n = "pioCD_clk",  .id = 3, },
+	{ .n = "smd_clk",    .id = 4, },
+	{ .n = "usart0_clk", .id = 5, },
+	{ .n = "usart1_clk", .id = 6, },
+	{ .n = "usart2_clk", .id = 7, },
+	{ .n = "twi0_clk",   .id = 9, },
+	{ .n = "twi1_clk",   .id = 10, },
+	{ .n = "twi2_clk",   .id = 11, },
+	{ .n = "mci0_clk",   .id = 12, },
+	{ .n = "spi0_clk",   .id = 13, },
+	{ .n = "spi1_clk",   .id = 14, },
+	{ .n = "uart0_clk",  .id = 15, },
+	{ .n = "uart1_clk",  .id = 16, },
+	{ .n = "tcb0_clk",   .id = 17, },
+	{ .n = "pwm_clk",    .id = 18, },
+	{ .n = "adc_clk",    .id = 19, },
+	{ .n = "dma0_clk",   .id = 20, },
+	{ .n = "dma1_clk",   .id = 21, },
+	{ .n = "uhphs_clk",  .id = 22, },
+	{ .n = "udphs_clk",  .id = 23, },
+	{ .n = "mci1_clk",   .id = 26, },
+	{ .n = "ssc0_clk",   .id = 28, },
+};
+
+static const struct pck at91sam9g15_periphck[] = {
+	{ .n = "lcdc_clk", .id = 25, },
+	{ /* sentinel */}
+};
+
+static const struct pck at91sam9g25_periphck[] = {
+	{ .n = "usart3_clk", .id = 8, },
+	{ .n = "macb0_clk", .id = 24, },
+	{ .n = "isi_clk", .id = 25, },
+	{ /* sentinel */}
+};
+
+static const struct pck at91sam9g35_periphck[] = {
+	{ .n = "macb0_clk", .id = 24, },
+	{ .n = "lcdc_clk", .id = 25, },
+	{ /* sentinel */}
+};
+
+static const struct pck at91sam9x25_periphck[] = {
+	{ .n = "usart3_clk", .id = 8, },
+	{ .n = "macb0_clk", .id = 24, },
+	{ .n = "macb1_clk", .id = 27, },
+	{ .n = "can0_clk", .id = 29, },
+	{ .n = "can1_clk", .id = 30, },
+	{ /* sentinel */}
+};
+
+static const struct pck at91sam9x35_periphck[] = {
+	{ .n = "macb0_clk", .id = 24, },
+	{ .n = "lcdc_clk", .id = 25, },
+	{ .n = "can0_clk", .id = 29, },
+	{ .n = "can1_clk", .id = 30, },
+	{ /* sentinel */}
+};
+
+static void __init at91sam9x5_pmc_setup(struct device_node *np,
+					const struct pck *extra_pcks,
+					bool has_lcdck)
+{
+	struct clk_range range = CLK_RANGE(0, 0);
+	const char *slck_name, *mainxtal_name;
+	struct pmc_data *at91sam9x5_pmc;
+	const char *parent_names[6];
+	struct regmap *regmap;
+	struct clk *hw;
+	int i;
+	bool bypass;
+
+	i = of_property_match_string(np, "clock-names", "slow_clk");
+	if (i < 0)
+		return;
+
+	slck_name = of_clk_get_parent_name(np, i);
+
+	i = of_property_match_string(np, "clock-names", "main_xtal");
+	if (i < 0)
+		return;
+	mainxtal_name = of_clk_get_parent_name(np, i);
+
+	regmap = syscon_node_to_regmap(np);
+	if (IS_ERR(regmap))
+		return;
+
+	at91sam9x5_pmc = pmc_data_allocate(PMC_MAIN + 1,
+					   nck(at91sam9x5_systemck),
+					   nck(at91sam9x35_periphck), 0);
+	if (!at91sam9x5_pmc)
+		return;
+
+	hw = at91_clk_register_main_rc_osc(regmap, "main_rc_osc", 12000000,
+					   50000000);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	bypass = of_property_read_bool(np, "atmel,osc-bypass");
+
+	hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name,
+					bypass);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	parent_names[0] = "main_rc_osc";
+	parent_names[1] = "main_osc";
+	hw = at91_clk_register_sam9x5_main(regmap, "mainck", parent_names, 2);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	at91sam9x5_pmc->chws[PMC_MAIN] = hw;
+
+	hw = at91_clk_register_pll(regmap, "pllack", "mainck", 0,
+				   &at91rm9200_pll_layout, &plla_characteristics);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	hw = at91_clk_register_plldiv(regmap, "plladivck", "pllack");
+	if (IS_ERR(hw))
+		goto err_free;
+
+	hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck");
+	if (IS_ERR(hw))
+		goto err_free;
+
+	at91sam9x5_pmc->chws[PMC_UTMI] = hw;
+
+	parent_names[0] = slck_name;
+	parent_names[1] = "mainck";
+	parent_names[2] = "plladivck";
+	parent_names[3] = "utmick";
+	hw = at91_clk_register_master(regmap, "masterck", 4, parent_names,
+				      &at91sam9x5_master_layout,
+				      &mck_characteristics);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	at91sam9x5_pmc->chws[PMC_MCK] = hw;
+
+	parent_names[0] = "plladivck";
+	parent_names[1] = "utmick";
+	hw = at91sam9x5_clk_register_usb(regmap, "usbck", parent_names, 2);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	hw = at91sam9x5_clk_register_smd(regmap, "smdclk", parent_names, 2);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	parent_names[0] = slck_name;
+	parent_names[1] = "mainck";
+	parent_names[2] = "plladivck";
+	parent_names[3] = "utmick";
+	parent_names[4] = "mck";
+	for (i = 0; i < 2; i++) {
+		char *name;
+
+		name = xasprintf("prog%d", i);
+
+		hw = at91_clk_register_programmable(regmap, name,
+						    parent_names, 5, i,
+						    &at91sam9x5_programmable_layout);
+		if (IS_ERR(hw))
+			goto err_free;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(at91sam9x5_systemck); i++) {
+		hw = at91_clk_register_system(regmap, at91sam9x5_systemck[i].n,
+					      at91sam9x5_systemck[i].p,
+					      at91sam9x5_systemck[i].id);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		at91sam9x5_pmc->shws[at91sam9x5_systemck[i].id] = hw;
+	}
+
+	if (has_lcdck) {
+		hw = at91_clk_register_system(regmap, "lcdck", "masterck", 3);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		at91sam9x5_pmc->shws[3] = hw;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(at91sam9x5_periphck); i++) {
+		hw = at91_clk_register_sam9x5_peripheral(regmap,
+							 at91sam9x5_periphck[i].n,
+							 "masterck",
+							 at91sam9x5_periphck[i].id,
+							 &range);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		at91sam9x5_pmc->phws[at91sam9x5_periphck[i].id] = hw;
+	}
+
+	for (i = 0; extra_pcks[i].id; i++) {
+		hw = at91_clk_register_sam9x5_peripheral(regmap,
+							 extra_pcks[i].n,
+							 "masterck",
+							 extra_pcks[i].id,
+							 &range);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		at91sam9x5_pmc->phws[extra_pcks[i].id] = hw;
+	}
+
+	of_clk_add_provider(np, of_clk_hw_pmc_get, at91sam9x5_pmc);
+
+	return;
+
+err_free:
+	pmc_data_free(at91sam9x5_pmc);
+}
+
+static void __init at91sam9g15_pmc_setup(struct device_node *np)
+{
+	at91sam9x5_pmc_setup(np, at91sam9g15_periphck, true);
+}
+CLK_OF_DECLARE_DRIVER(at91sam9g15_pmc, "atmel,at91sam9g15-pmc",
+		      at91sam9g15_pmc_setup);
+
+static void __init at91sam9g25_pmc_setup(struct device_node *np)
+{
+	at91sam9x5_pmc_setup(np, at91sam9g25_periphck, false);
+}
+CLK_OF_DECLARE_DRIVER(at91sam9g25_pmc, "atmel,at91sam9g25-pmc",
+		      at91sam9g25_pmc_setup);
+
+static void __init at91sam9g35_pmc_setup(struct device_node *np)
+{
+	at91sam9x5_pmc_setup(np, at91sam9g35_periphck, true);
+}
+CLK_OF_DECLARE_DRIVER(at91sam9g35_pmc, "atmel,at91sam9g35-pmc",
+		      at91sam9g35_pmc_setup);
+
+static void __init at91sam9x25_pmc_setup(struct device_node *np)
+{
+	at91sam9x5_pmc_setup(np, at91sam9x25_periphck, false);
+}
+CLK_OF_DECLARE_DRIVER(at91sam9x25_pmc, "atmel,at91sam9x25-pmc",
+		      at91sam9x25_pmc_setup);
+
+static void __init at91sam9x35_pmc_setup(struct device_node *np)
+{
+	at91sam9x5_pmc_setup(np, at91sam9x35_periphck, true);
+}
+CLK_OF_DECLARE_DRIVER(at91sam9x35_pmc, "atmel,at91sam9x35-pmc",
+		      at91sam9x35_pmc_setup);
diff --git a/drivers/clk/at91/clk-generated.c b/drivers/clk/at91/clk-generated.c
index 4e1cd5aa69..60516ca10f 100644
--- a/drivers/clk/at91/clk-generated.c
+++ b/drivers/clk/at91/clk-generated.c
@@ -11,26 +11,23 @@
  *
  */
 
-#include <linux/clk-provider.h>
-#include <linux/clkdev.h>
+#include <common.h>
+#include <clock.h>
+#include <io.h>
+#include <linux/list.h>
+#include <linux/clk.h>
 #include <linux/clk/at91_pmc.h>
-#include <linux/of.h>
-#include <linux/mfd/syscon.h>
-#include <linux/regmap.h>
+#include <mfd/syscon.h>
+#include <regmap.h>
 
 #include "pmc.h"
 
-#define PERIPHERAL_MAX		64
-#define PERIPHERAL_ID_MIN	2
-
-#define GENERATED_SOURCE_MAX	6
 #define GENERATED_MAX_DIV	255
 
 struct clk_generated {
-	struct clk_hw hw;
+	struct clk hw;
 	struct regmap *regmap;
 	struct clk_range range;
-	spinlock_t *lock;
 	u32 id;
 	u32 gckdiv;
 	u8 parent_id;
@@ -39,15 +36,13 @@ struct clk_generated {
 #define to_clk_generated(hw) \
 	container_of(hw, struct clk_generated, hw)
 
-static int clk_generated_enable(struct clk_hw *hw)
+static int clk_generated_enable(struct clk *hw)
 {
 	struct clk_generated *gck = to_clk_generated(hw);
-	unsigned long flags;
 
 	pr_debug("GCLK: %s, gckdiv = %d, parent id = %d\n",
 		 __func__, gck->gckdiv, gck->parent_id);
 
-	spin_lock_irqsave(gck->lock, flags);
 	regmap_write(gck->regmap, AT91_PMC_PCR,
 		     (gck->id & AT91_PMC_PCR_PID_MASK));
 	regmap_update_bits(gck->regmap, AT91_PMC_PCR,
@@ -57,41 +52,34 @@ static int clk_generated_enable(struct clk_hw *hw)
 			   AT91_PMC_PCR_CMD |
 			   AT91_PMC_PCR_GCKDIV(gck->gckdiv) |
 			   AT91_PMC_PCR_GCKEN);
-	spin_unlock_irqrestore(gck->lock, flags);
 	return 0;
 }
 
-static void clk_generated_disable(struct clk_hw *hw)
+static void clk_generated_disable(struct clk *hw)
 {
 	struct clk_generated *gck = to_clk_generated(hw);
-	unsigned long flags;
 
-	spin_lock_irqsave(gck->lock, flags);
 	regmap_write(gck->regmap, AT91_PMC_PCR,
 		     (gck->id & AT91_PMC_PCR_PID_MASK));
 	regmap_update_bits(gck->regmap, AT91_PMC_PCR,
 			   AT91_PMC_PCR_CMD | AT91_PMC_PCR_GCKEN,
 			   AT91_PMC_PCR_CMD);
-	spin_unlock_irqrestore(gck->lock, flags);
 }
 
-static int clk_generated_is_enabled(struct clk_hw *hw)
+static int clk_generated_is_enabled(struct clk *hw)
 {
 	struct clk_generated *gck = to_clk_generated(hw);
-	unsigned long flags;
 	unsigned int status;
 
-	spin_lock_irqsave(gck->lock, flags);
 	regmap_write(gck->regmap, AT91_PMC_PCR,
 		     (gck->id & AT91_PMC_PCR_PID_MASK));
 	regmap_read(gck->regmap, AT91_PMC_PCR, &status);
-	spin_unlock_irqrestore(gck->lock, flags);
 
 	return status & AT91_PMC_PCR_GCKEN ? 1 : 0;
 }
 
 static unsigned long
-clk_generated_recalc_rate(struct clk_hw *hw,
+clk_generated_recalc_rate(struct clk *hw,
 			  unsigned long parent_rate)
 {
 	struct clk_generated *gck = to_clk_generated(hw);
@@ -99,75 +87,19 @@ clk_generated_recalc_rate(struct clk_hw *hw,
 	return DIV_ROUND_CLOSEST(parent_rate, gck->gckdiv + 1);
 }
 
-static int clk_generated_determine_rate(struct clk_hw *hw,
-					struct clk_rate_request *req)
-{
-	struct clk_generated *gck = to_clk_generated(hw);
-	struct clk_hw *parent = NULL;
-	long best_rate = -EINVAL;
-	unsigned long tmp_rate, min_rate;
-	int best_diff = -1;
-	int tmp_diff;
-	int i;
-
-	for (i = 0; i < clk_hw_get_num_parents(hw); i++) {
-		u32 div;
-		unsigned long parent_rate;
-
-		parent = clk_hw_get_parent_by_index(hw, i);
-		if (!parent)
-			continue;
-
-		parent_rate = clk_hw_get_rate(parent);
-		min_rate = DIV_ROUND_CLOSEST(parent_rate, GENERATED_MAX_DIV + 1);
-		if (!parent_rate ||
-		    (gck->range.max && min_rate > gck->range.max))
-			continue;
-
-		for (div = 1; div < GENERATED_MAX_DIV + 2; div++) {
-			tmp_rate = DIV_ROUND_CLOSEST(parent_rate, div);
-			tmp_diff = abs(req->rate - tmp_rate);
-
-			if (best_diff < 0 || best_diff > tmp_diff) {
-				best_rate = tmp_rate;
-				best_diff = tmp_diff;
-				req->best_parent_rate = parent_rate;
-				req->best_parent_hw = parent;
-			}
-
-			if (!best_diff || tmp_rate < req->rate)
-				break;
-		}
-
-		if (!best_diff)
-			break;
-	}
-
-	pr_debug("GCLK: %s, best_rate = %ld, parent clk: %s @ %ld\n",
-		 __func__, best_rate,
-		 __clk_get_name((req->best_parent_hw)->clk),
-		 req->best_parent_rate);
-
-	if (best_rate < 0)
-		return best_rate;
-
-	req->rate = best_rate;
-	return 0;
-}
-
 /* No modification of hardware as we have the flag CLK_SET_PARENT_GATE set */
-static int clk_generated_set_parent(struct clk_hw *hw, u8 index)
+static int clk_generated_set_parent(struct clk *hw, u8 index)
 {
 	struct clk_generated *gck = to_clk_generated(hw);
 
-	if (index >= clk_hw_get_num_parents(hw))
+	if (index >= clk_get_num_parents(hw))
 		return -EINVAL;
 
 	gck->parent_id = index;
 	return 0;
 }
 
-static u8 clk_generated_get_parent(struct clk_hw *hw)
+static int clk_generated_get_parent(struct clk *hw)
 {
 	struct clk_generated *gck = to_clk_generated(hw);
 
@@ -175,7 +107,7 @@ static u8 clk_generated_get_parent(struct clk_hw *hw)
 }
 
 /* No modification of hardware as we have the flag CLK_SET_RATE_GATE set */
-static int clk_generated_set_rate(struct clk_hw *hw,
+static int clk_generated_set_rate(struct clk *hw,
 				  unsigned long rate,
 				  unsigned long parent_rate)
 {
@@ -201,7 +133,6 @@ static const struct clk_ops generated_ops = {
 	.disable = clk_generated_disable,
 	.is_enabled = clk_generated_is_enabled,
 	.recalc_rate = clk_generated_recalc_rate,
-	.determine_rate = clk_generated_determine_rate,
 	.get_parent = clk_generated_get_parent,
 	.set_parent = clk_generated_set_parent,
 	.set_rate = clk_generated_set_rate,
@@ -219,13 +150,10 @@ static const struct clk_ops generated_ops = {
 static void clk_generated_startup(struct clk_generated *gck)
 {
 	u32 tmp;
-	unsigned long flags;
 
-	spin_lock_irqsave(gck->lock, flags);
 	regmap_write(gck->regmap, AT91_PMC_PCR,
 		     (gck->id & AT91_PMC_PCR_PID_MASK));
 	regmap_read(gck->regmap, AT91_PMC_PCR, &tmp);
-	spin_unlock_irqrestore(gck->lock, flags);
 
 	gck->parent_id = (tmp & AT91_PMC_PCR_GCKCSS_MASK)
 					>> AT91_PMC_PCR_GCKCSS_OFFSET;
@@ -233,35 +161,37 @@ static void clk_generated_startup(struct clk_generated *gck)
 					>> AT91_PMC_PCR_GCKDIV_OFFSET;
 }
 
-static struct clk_hw * __init
-at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock,
+struct clk * __init
+at91_clk_register_generated(struct regmap *regmap,
 			    const char *name, const char **parent_names,
-			    u8 num_parents, u8 id,
+			    u8 num_parents, u8 id, bool pll_audio,
 			    const struct clk_range *range)
 {
+	size_t parents_array_size;
 	struct clk_generated *gck;
-	struct clk_init_data init;
-	struct clk_hw *hw;
+	struct clk *hw;
 	int ret;
 
 	gck = kzalloc(sizeof(*gck), GFP_KERNEL);
 	if (!gck)
 		return ERR_PTR(-ENOMEM);
 
-	init.name = name;
-	init.ops = &generated_ops;
-	init.parent_names = parent_names;
-	init.num_parents = num_parents;
-	init.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE;
-
 	gck->id = id;
-	gck->hw.init = &init;
+	gck->hw.name = name;
+	gck->hw.ops = &generated_ops;
+
+	parents_array_size = num_parents * sizeof(gck->hw.parent_names[0]);
+	gck->hw.parent_names = xzalloc(parents_array_size);
+	memcpy(gck->hw.parent_names, parent_names, parents_array_size);
+	gck->hw.num_parents = num_parents;
+
+	/* gck->hw.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE; */
 	gck->regmap = regmap;
-	gck->lock = lock;
 	gck->range = *range;
+	/* gck->audio_pll_allowed = pll_audio; */
 
 	hw = &gck->hw;
-	ret = clk_hw_register(NULL, &gck->hw);
+	ret = clk_register(&gck->hw);
 	if (ret) {
 		kfree(gck);
 		hw = ERR_PTR(ret);
@@ -270,54 +200,3 @@ at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock,
 
 	return hw;
 }
-
-static void __init of_sama5d2_clk_generated_setup(struct device_node *np)
-{
-	int num;
-	u32 id;
-	const char *name;
-	struct clk_hw *hw;
-	unsigned int num_parents;
-	const char *parent_names[GENERATED_SOURCE_MAX];
-	struct device_node *gcknp;
-	struct clk_range range = CLK_RANGE(0, 0);
-	struct regmap *regmap;
-
-	num_parents = of_clk_get_parent_count(np);
-	if (num_parents == 0 || num_parents > GENERATED_SOURCE_MAX)
-		return;
-
-	of_clk_parent_fill(np, parent_names, num_parents);
-
-	num = of_get_child_count(np);
-	if (!num || num > PERIPHERAL_MAX)
-		return;
-
-	regmap = syscon_node_to_regmap(of_get_parent(np));
-	if (IS_ERR(regmap))
-		return;
-
-	for_each_child_of_node(np, gcknp) {
-		if (of_property_read_u32(gcknp, "reg", &id))
-			continue;
-
-		if (id < PERIPHERAL_ID_MIN || id >= PERIPHERAL_MAX)
-			continue;
-
-		if (of_property_read_string(np, "clock-output-names", &name))
-			name = gcknp->name;
-
-		of_at91_get_clk_range(gcknp, "atmel,clk-output-range",
-				      &range);
-
-		hw = at91_clk_register_generated(regmap, &pmc_pcr_lock, name,
-						  parent_names, num_parents,
-						  id, &range);
-		if (IS_ERR(hw))
-			continue;
-
-		of_clk_add_hw_provider(gcknp, of_clk_hw_simple_get, hw);
-	}
-}
-CLK_OF_DECLARE(of_sama5d2_clk_generated_setup, "atmel,sama5d2-clk-generated",
-	       of_sama5d2_clk_generated_setup);
diff --git a/drivers/clk/at91/clk-h32mx.c b/drivers/clk/at91/clk-h32mx.c
index e0daa4a31f..31906a9e29 100644
--- a/drivers/clk/at91/clk-h32mx.c
+++ b/drivers/clk/at91/clk-h32mx.c
@@ -12,25 +12,27 @@
  *
  */
 
-#include <linux/clk-provider.h>
-#include <linux/clkdev.h>
+#include <common.h>
+#include <clock.h>
+#include <linux/list.h>
+#include <linux/clk.h>
 #include <linux/clk/at91_pmc.h>
-#include <linux/of.h>
-#include <linux/regmap.h>
-#include <linux/mfd/syscon.h>
+#include <regmap.h>
+
 
 #include "pmc.h"
 
 #define H32MX_MAX_FREQ	90000000
 
 struct clk_sama5d4_h32mx {
-	struct clk_hw hw;
+	struct clk hw;
 	struct regmap *regmap;
+	const char *parent;
 };
 
 #define to_clk_sama5d4_h32mx(hw) container_of(hw, struct clk_sama5d4_h32mx, hw)
 
-static unsigned long clk_sama5d4_h32mx_recalc_rate(struct clk_hw *hw,
+static unsigned long clk_sama5d4_h32mx_recalc_rate(struct clk *hw,
 						 unsigned long parent_rate)
 {
 	struct clk_sama5d4_h32mx *h32mxclk = to_clk_sama5d4_h32mx(hw);
@@ -45,7 +47,7 @@ static unsigned long clk_sama5d4_h32mx_recalc_rate(struct clk_hw *hw,
 	return parent_rate;
 }
 
-static long clk_sama5d4_h32mx_round_rate(struct clk_hw *hw, unsigned long rate,
+static long clk_sama5d4_h32mx_round_rate(struct clk *hw, unsigned long rate,
 				       unsigned long *parent_rate)
 {
 	unsigned long div;
@@ -62,7 +64,7 @@ static long clk_sama5d4_h32mx_round_rate(struct clk_hw *hw, unsigned long rate,
 	return *parent_rate;
 }
 
-static int clk_sama5d4_h32mx_set_rate(struct clk_hw *hw, unsigned long rate,
+static int clk_sama5d4_h32mx_set_rate(struct clk *hw, unsigned long rate,
 				    unsigned long parent_rate)
 {
 	struct clk_sama5d4_h32mx *h32mxclk = to_clk_sama5d4_h32mx(hw);
@@ -86,40 +88,31 @@ static const struct clk_ops h32mx_ops = {
 	.set_rate = clk_sama5d4_h32mx_set_rate,
 };
 
-static void __init of_sama5d4_clk_h32mx_setup(struct device_node *np)
+struct clk *
+at91_clk_register_h32mx(struct regmap *regmap, const char *name,
+			const char *parent_name)
 {
 	struct clk_sama5d4_h32mx *h32mxclk;
-	struct clk_init_data init;
-	const char *parent_name;
-	struct regmap *regmap;
 	int ret;
 
-	regmap = syscon_node_to_regmap(of_get_parent(np));
-	if (IS_ERR(regmap))
-		return;
-
 	h32mxclk = kzalloc(sizeof(*h32mxclk), GFP_KERNEL);
 	if (!h32mxclk)
-		return;
-
-	parent_name = of_clk_get_parent_name(np, 0);
+		return ERR_PTR(-ENOMEM);
 
-	init.name = np->name;
-	init.ops = &h32mx_ops;
-	init.parent_names = parent_name ? &parent_name : NULL;
-	init.num_parents = parent_name ? 1 : 0;
-	init.flags = CLK_SET_RATE_GATE;
+	h32mxclk->parent = parent_name;
+	h32mxclk->hw.name = name;
+	h32mxclk->hw.ops = &h32mx_ops;
+	h32mxclk->hw.parent_names = &h32mxclk->parent;
+	h32mxclk->hw.num_parents = 1;
+	/* h32mxclk.hw.flags = CLK_SET_RATE_GATE; */
 
-	h32mxclk->hw.init = &init;
 	h32mxclk->regmap = regmap;
 
-	ret = clk_hw_register(NULL, &h32mxclk->hw);
+	ret = clk_register(&h32mxclk->hw);
 	if (ret) {
 		kfree(h32mxclk);
-		return;
+		return ERR_PTR(ret);
 	}
 
-	of_clk_add_hw_provider(np, of_clk_hw_simple_get, &h32mxclk->hw);
+	return &h32mxclk->hw;
 }
-CLK_OF_DECLARE(of_sama5d4_clk_h32mx_setup, "atmel,sama5d4-clk-h32mx",
-	       of_sama5d4_clk_h32mx_setup);
diff --git a/drivers/clk/at91/clk-main.c b/drivers/clk/at91/clk-main.c
index 77dfdef518..4d4127dd00 100644
--- a/drivers/clk/at91/clk-main.c
+++ b/drivers/clk/at91/clk-main.c
@@ -9,7 +9,6 @@
  */
 #include <common.h>
 #include <clock.h>
-#include <of.h>
 #include <linux/list.h>
 #include <linux/clk.h>
 #include <linux/clk/at91_pmc.h>
@@ -129,7 +128,7 @@ static const struct clk_ops main_osc_ops = {
 	.is_enabled = clk_main_osc_is_enabled,
 };
 
-static struct clk *
+struct clk *
 at91_clk_register_main_osc(struct regmap *regmap,
 			   const char *name,
 			   const char *parent_name,
@@ -165,31 +164,6 @@ at91_clk_register_main_osc(struct regmap *regmap,
 	return &osc->clk;
 }
 
-static int of_at91rm9200_clk_main_osc_setup(struct device_node *np)
-{
-	struct clk *clk;
-	const char *name = np->name;
-	const char *parent_name;
-	struct regmap *regmap;
-	bool bypass;
-
-	of_property_read_string(np, "clock-output-names", &name);
-	bypass = of_property_read_bool(np, "atmel,osc-bypass");
-	parent_name = of_clk_get_parent_name(np, 0);
-
-	regmap = syscon_node_to_regmap(of_get_parent(np));
-	if (IS_ERR(regmap))
-		return PTR_ERR(regmap);
-
-	clk = at91_clk_register_main_osc(regmap, name, parent_name, bypass);
-	if (IS_ERR(clk))
-		return PTR_ERR(clk);
-
-	return of_clk_add_provider(np, of_clk_src_simple_get, clk);
-}
-CLK_OF_DECLARE(at91rm9200_clk_main_osc, "atmel,at91rm9200-clk-main-osc",
-	       of_at91rm9200_clk_main_osc_setup);
-
 static bool clk_main_rc_osc_ready(struct regmap *regmap)
 {
 	unsigned int status;
@@ -260,10 +234,10 @@ static const struct clk_ops main_rc_osc_ops = {
 	.recalc_rate = clk_main_rc_osc_recalc_rate,
 };
 
-static struct clk *
+struct clk *
 at91_clk_register_main_rc_osc(struct regmap *regmap,
 			      const char *name,
-			      u32 frequency)
+			      u32 frequency, u32 accuracy)
 {
 	int ret;
 	struct clk_main_rc_osc *osc;
@@ -290,30 +264,6 @@ at91_clk_register_main_rc_osc(struct regmap *regmap,
 	return &osc->clk;
 }
 
-static int of_at91sam9x5_clk_main_rc_osc_setup(struct device_node *np)
-{
-	struct clk *clk;
-	u32 frequency = 0;
-	const char *name = np->name;
-	struct regmap *regmap;
-
-	of_property_read_string(np, "clock-output-names", &name);
-	of_property_read_u32(np, "clock-frequency", &frequency);
-
-	regmap = syscon_node_to_regmap(of_get_parent(np));
-	if (IS_ERR(regmap))
-		return PTR_ERR(regmap);
-
-	clk = at91_clk_register_main_rc_osc(regmap, name, frequency);
-	if (IS_ERR(clk))
-		return PTR_ERR(clk);
-
-	return of_clk_add_provider(np, of_clk_src_simple_get, clk);
-}
-CLK_OF_DECLARE(at91sam9x5_clk_main_rc_osc, "atmel,at91sam9x5-clk-main-rc-osc",
-	       of_at91sam9x5_clk_main_rc_osc_setup);
-
-
 static int clk_main_probe_frequency(struct regmap *regmap)
 {
 	unsigned int mcfr;
@@ -375,7 +325,7 @@ static const struct clk_ops rm9200_main_ops = {
 	.recalc_rate = clk_rm9200_main_recalc_rate,
 };
 
-static struct clk *
+struct clk *
 at91_clk_register_rm9200_main(struct regmap *regmap,
 			      const char *name,
 			      const char *parent_name)
@@ -407,29 +357,6 @@ at91_clk_register_rm9200_main(struct regmap *regmap,
 	return &clkmain->clk;
 }
 
-static int of_at91rm9200_clk_main_setup(struct device_node *np)
-{
-	struct clk *clk;
-	const char *parent_name;
-	const char *name = np->name;
-	struct regmap *regmap;
-
-	parent_name = of_clk_get_parent_name(np, 0);
-	of_property_read_string(np, "clock-output-names", &name);
-
-	regmap = syscon_node_to_regmap(of_get_parent(np));
-	if (IS_ERR(regmap))
-		return PTR_ERR(regmap);
-
-	clk = at91_clk_register_rm9200_main(regmap, name, parent_name);
-	if (IS_ERR(clk))
-		return PTR_ERR(clk);
-
-	return of_clk_add_provider(np, of_clk_src_simple_get, clk);
-}
-CLK_OF_DECLARE(at91rm9200_clk_main, "atmel,at91rm9200-clk-main",
-	       of_at91rm9200_clk_main_setup);
-
 static inline bool clk_sam9x5_main_ready(struct regmap *regmap)
 {
 	unsigned int status;
@@ -506,7 +433,7 @@ static const struct clk_ops sam9x5_main_ops = {
 	.get_parent = clk_sam9x5_main_get_parent,
 };
 
-static struct clk *
+struct clk *
 at91_clk_register_sam9x5_main(struct regmap *regmap,
 			      const char *name,
 			      const char **parent_names,
@@ -546,32 +473,3 @@ at91_clk_register_sam9x5_main(struct regmap *regmap,
 
 	return &clkmain->clk;
 }
-
-static int of_at91sam9x5_clk_main_setup(struct device_node *np)
-{
-	struct clk *clk;
-	const char *parent_names[2];
-	unsigned int num_parents;
-	const char *name = np->name;
-	struct regmap *regmap;
-
-	num_parents = of_clk_get_parent_count(np);
-	if (num_parents == 0 || num_parents > 2)
-		return -EINVAL;
-
-	of_clk_parent_fill(np, parent_names, num_parents);
-	regmap = syscon_node_to_regmap(of_get_parent(np));
-	if (IS_ERR(regmap))
-		return PTR_ERR(regmap);
-
-	of_property_read_string(np, "clock-output-names", &name);
-
-	clk = at91_clk_register_sam9x5_main(regmap, name, parent_names,
-					    num_parents);
-	if (IS_ERR(clk))
-		return PTR_ERR(clk);
-
-	return of_clk_add_provider(np, of_clk_src_simple_get, clk);
-}
-CLK_OF_DECLARE(at91sam9x5_clk_main, "atmel,at91sam9x5-clk-main",
-	       of_at91sam9x5_clk_main_setup);
diff --git a/drivers/clk/at91/clk-master.c b/drivers/clk/at91/clk-master.c
index b3a50ce542..f7a0fb1d18 100644
--- a/drivers/clk/at91/clk-master.c
+++ b/drivers/clk/at91/clk-master.c
@@ -9,7 +9,6 @@
  */
 #include <common.h>
 #include <clock.h>
-#include <of.h>
 #include <linux/list.h>
 #include <linux/clk.h>
 #include <linux/clk/at91_pmc.h>
@@ -25,17 +24,6 @@
 #define MASTER_DIV_SHIFT	8
 #define MASTER_DIV_MASK		0x3
 
-struct clk_master_characteristics {
-	struct clk_range output;
-	u32 divisors[4];
-	u8 have_div3_pres;
-};
-
-struct clk_master_layout {
-	u32 mask;
-	u8 pres_shift;
-};
-
 #define to_clk_master(clk) container_of(clk, struct clk_master, clk)
 
 struct clk_master {
@@ -122,7 +110,7 @@ static const struct clk_ops master_ops = {
 	.get_parent = clk_master_get_parent,
 };
 
-static struct clk *
+struct clk *
 at91_clk_register_master(struct regmap *regmap,
 			 const char *name, int num_parents,
 			 const char **parent_names,
@@ -158,88 +146,12 @@ at91_clk_register_master(struct regmap *regmap,
 }
 
 
-static const struct clk_master_layout at91rm9200_master_layout = {
+const struct clk_master_layout at91rm9200_master_layout = {
 	.mask = 0x31F,
 	.pres_shift = 2,
 };
 
-static const struct clk_master_layout at91sam9x5_master_layout = {
+const struct clk_master_layout at91sam9x5_master_layout = {
 	.mask = 0x373,
 	.pres_shift = 4,
 };
-
-
-static struct clk_master_characteristics *
-of_at91_clk_master_get_characteristics(struct device_node *np)
-{
-	struct clk_master_characteristics *characteristics;
-
-	characteristics = xzalloc(sizeof(*characteristics));
-
-	if (of_at91_get_clk_range(np, "atmel,clk-output-range", &characteristics->output))
-		goto out_free_characteristics;
-
-	of_property_read_u32_array(np, "atmel,clk-divisors",
-				   characteristics->divisors, 4);
-
-	characteristics->have_div3_pres =
-		of_property_read_bool(np, "atmel,master-clk-have-div3-pres");
-
-	return characteristics;
-
-out_free_characteristics:
-	kfree(characteristics);
-	return NULL;
-}
-
-static int
-of_at91_clk_master_setup(struct device_node *np,
-			 const struct clk_master_layout *layout)
-{
-	struct clk *clk;
-	unsigned int num_parents;
-	const char *parent_names[MASTER_SOURCE_MAX];
-	const char *name = np->name;
-	struct clk_master_characteristics *characteristics;
-	struct regmap *regmap;
-
-	num_parents = of_clk_get_parent_count(np);
-	if (num_parents == 0 || num_parents > MASTER_SOURCE_MAX)
-		return -EINVAL;
-
-	of_clk_parent_fill(np, parent_names, num_parents);
-
-	of_property_read_string(np, "clock-output-names", &name);
-
-	characteristics = of_at91_clk_master_get_characteristics(np);
-	if (!characteristics)
-		return -EINVAL;
-
-	regmap = syscon_node_to_regmap(of_get_parent(np));
-	if (IS_ERR(regmap))
-		return PTR_ERR(regmap);
-
-	clk = at91_clk_register_master(regmap, name, num_parents,
-				       parent_names, layout,
-				       characteristics);
-	if (IS_ERR(clk)) {
-		kfree(characteristics);
-		return PTR_ERR(clk);
-	}
-
-	return of_clk_add_provider(np, of_clk_src_simple_get, clk);
-}
-
-static void __init of_at91rm9200_clk_master_setup(struct device_node *np)
-{
-	of_at91_clk_master_setup(np, &at91rm9200_master_layout);
-}
-CLK_OF_DECLARE(at91rm9200_clk_master, "atmel,at91rm9200-clk-master",
-	       of_at91rm9200_clk_master_setup);
-
-static void __init of_at91sam9x5_clk_master_setup(struct device_node *np)
-{
-	of_at91_clk_master_setup(np, &at91sam9x5_master_layout);
-}
-CLK_OF_DECLARE(at91sam9x5_clk_master, "atmel,at91sam9x5-clk-master",
-	       of_at91sam9x5_clk_master_setup);
diff --git a/drivers/clk/at91/clk-peripheral.c b/drivers/clk/at91/clk-peripheral.c
index bbe6ffac69..00852672da 100644
--- a/drivers/clk/at91/clk-peripheral.c
+++ b/drivers/clk/at91/clk-peripheral.c
@@ -10,7 +10,6 @@
 
 #include <common.h>
 #include <clock.h>
-#include <of.h>
 #include <linux/list.h>
 #include <linux/clk.h>
 #include <linux/clk/at91_pmc.h>
@@ -19,11 +18,6 @@
 
 #include "pmc.h"
 
-#define PERIPHERAL_MAX		64
-
-#define PERIPHERAL_AT91RM9200	0
-#define PERIPHERAL_AT91SAM9X5	1
-
 #define PERIPHERAL_ID_MIN	2
 #define PERIPHERAL_ID_MAX	31
 #define PERIPHERAL_MASK(id)	(1 << ((id) & PERIPHERAL_ID_MAX))
@@ -105,7 +99,7 @@ static const struct clk_ops peripheral_ops = {
 	.is_enabled = clk_peripheral_is_enabled,
 };
 
-static struct clk *
+struct clk *
 at91_clk_register_peripheral(struct regmap *regmap, const char *name,
 			     const char *parent_name, u32 id)
 {
@@ -317,7 +311,7 @@ static const struct clk_ops sam9x5_peripheral_ops = {
 	.set_rate = clk_sam9x5_peripheral_set_rate,
 };
 
-static struct clk *
+struct clk *
 at91_clk_register_sam9x5_peripheral(struct regmap *regmap,
 				    const char *name, const char *parent_name,
 				    u32 id, const struct clk_range *range)
@@ -355,75 +349,3 @@ at91_clk_register_sam9x5_peripheral(struct regmap *regmap,
 
 	return &periph->clk;
 }
-
-static int
-of_at91_clk_periph_setup(struct device_node *np, u8 type)
-{
-	int num;
-	u32 id;
-	struct clk *clk;
-	const char *parent_name;
-	const char *name;
-	struct device_node *periphclknp;
-	struct regmap *regmap;
-
-	parent_name = of_clk_get_parent_name(np, 0);
-	if (!parent_name)
-		return -ENOENT;
-
-	num = of_get_child_count(np);
-	if (!num || num > PERIPHERAL_MAX)
-		return -EINVAL;
-
-	regmap = syscon_node_to_regmap(of_get_parent(np));
-	if (IS_ERR(regmap))
-		return PTR_ERR(regmap);
-
-	for_each_child_of_node(np, periphclknp) {
-		if (of_property_read_u32(periphclknp, "reg", &id))
-			continue;
-
-		if (id >= PERIPHERAL_MAX)
-			continue;
-
-		if (of_property_read_string(np, "clock-output-names", &name))
-			name = periphclknp->name;
-
-		if (type == PERIPHERAL_AT91RM9200) {
-			clk = at91_clk_register_peripheral(regmap, name,
-							   parent_name, id);
-		} else {
-			struct clk_range range = CLK_RANGE(0, 0);
-
-			of_at91_get_clk_range(periphclknp,
-					      "atmel,clk-output-range",
-					      &range);
-
-			clk = at91_clk_register_sam9x5_peripheral(regmap,
-								  name,
-								  parent_name,
-								  id, &range);
-		}
-
-		if (IS_ERR(clk))
-			continue;
-
-		of_clk_add_provider(periphclknp, of_clk_src_simple_get, clk);
-	}
-
-	return 0;
-}
-
-static int of_at91rm9200_clk_periph_setup(struct device_node *np)
-{
-	return of_at91_clk_periph_setup(np, PERIPHERAL_AT91RM9200);
-}
-CLK_OF_DECLARE(at91rm9200_clk_periph, "atmel,at91rm9200-clk-peripheral",
-	       of_at91rm9200_clk_periph_setup);
-
-static int of_at91sam9x5_clk_periph_setup(struct device_node *np)
-{
-	return of_at91_clk_periph_setup(np, PERIPHERAL_AT91SAM9X5);
-}
-CLK_OF_DECLARE(at91sam9x5_clk_periph, "atmel,at91sam9x5-clk-peripheral",
-	       of_at91sam9x5_clk_periph_setup);
diff --git a/drivers/clk/at91/clk-pll.c b/drivers/clk/at91/clk-pll.c
index e0af4fe5a8..bc504e8a95 100644
--- a/drivers/clk/at91/clk-pll.c
+++ b/drivers/clk/at91/clk-pll.c
@@ -36,20 +36,6 @@
 #define PLL_OUT_SHIFT		14
 #define PLL_MAX_ID		1
 
-struct clk_pll_characteristics {
-	struct clk_range input;
-	int num_output;
-	struct clk_range *output;
-	u16 *icpll;
-	u8 *out;
-};
-
-struct clk_pll_layout {
-	u32 pllr_mask;
-	u16 mul_mask;
-	u8 mul_shift;
-};
-
 #define to_clk_pll(clk) container_of(clk, struct clk_pll, clk)
 
 struct clk_pll {
@@ -299,7 +285,7 @@ static const struct clk_ops pll_ops = {
 	.set_rate = clk_pll_set_rate,
 };
 
-static struct clk *
+struct clk *
 at91_clk_register_pll(struct regmap *regmap, const char *name,
 		      const char *parent_name, u8 id,
 		      const struct clk_pll_layout *layout,
@@ -341,176 +327,26 @@ at91_clk_register_pll(struct regmap *regmap, const char *name,
 }
 
 
-static const struct clk_pll_layout at91rm9200_pll_layout = {
+const struct clk_pll_layout at91rm9200_pll_layout = {
 	.pllr_mask = 0x7FFFFFF,
 	.mul_shift = 16,
 	.mul_mask = 0x7FF,
 };
 
-static const struct clk_pll_layout at91sam9g45_pll_layout = {
+const struct clk_pll_layout at91sam9g45_pll_layout = {
 	.pllr_mask = 0xFFFFFF,
 	.mul_shift = 16,
 	.mul_mask = 0xFF,
 };
 
-static const struct clk_pll_layout at91sam9g20_pllb_layout = {
+const struct clk_pll_layout at91sam9g20_pllb_layout = {
 	.pllr_mask = 0x3FFFFF,
 	.mul_shift = 16,
 	.mul_mask = 0x3F,
 };
 
-static const struct clk_pll_layout sama5d3_pll_layout = {
+const struct clk_pll_layout sama5d3_pll_layout = {
 	.pllr_mask = 0x1FFFFFF,
 	.mul_shift = 18,
 	.mul_mask = 0x7F,
 };
-
-
-static struct clk_pll_characteristics *
-of_at91_clk_pll_get_characteristics(struct device_node *np)
-{
-	int i;
-	int offset;
-	u32 tmp;
-	int num_output;
-	u32 num_cells;
-	struct clk_range input;
-	struct clk_range *output;
-	u8 *out = NULL;
-	u16 *icpll = NULL;
-	struct clk_pll_characteristics *characteristics;
-
-	if (of_at91_get_clk_range(np, "atmel,clk-input-range", &input))
-		return NULL;
-
-	if (of_property_read_u32(np, "#atmel,pll-clk-output-range-cells",
-				 &num_cells))
-		return NULL;
-
-	if (num_cells < 2 || num_cells > 4)
-		return NULL;
-
-	if (!of_get_property(np, "atmel,pll-clk-output-ranges", &tmp))
-		return NULL;
-	num_output = tmp / (sizeof(u32) * num_cells);
-
-	characteristics = xzalloc(sizeof(*characteristics));
-	output = xzalloc(sizeof(*output) * num_output);
-
-	if (num_cells > 2)
-		out = xzalloc(sizeof(*out) * num_output);
-
-	if (num_cells > 3)
-		icpll = xzalloc(sizeof(*icpll) * num_output);
-
-
-	for (i = 0; i < num_output; i++) {
-		offset = i * num_cells;
-		if (of_property_read_u32_index(np,
-					       "atmel,pll-clk-output-ranges",
-					       offset, &tmp))
-			goto out_free_output;
-		output[i].min = tmp;
-		if (of_property_read_u32_index(np,
-					       "atmel,pll-clk-output-ranges",
-					       offset + 1, &tmp))
-			goto out_free_output;
-		output[i].max = tmp;
-
-		if (num_cells == 2)
-			continue;
-
-		if (of_property_read_u32_index(np,
-					       "atmel,pll-clk-output-ranges",
-					       offset + 2, &tmp))
-			goto out_free_output;
-		out[i] = tmp;
-
-		if (num_cells == 3)
-			continue;
-
-		if (of_property_read_u32_index(np,
-					       "atmel,pll-clk-output-ranges",
-					       offset + 3, &tmp))
-			goto out_free_output;
-		icpll[i] = tmp;
-	}
-
-	characteristics->input = input;
-	characteristics->num_output = num_output;
-	characteristics->output = output;
-	characteristics->out = out;
-	characteristics->icpll = icpll;
-	return characteristics;
-
-out_free_output:
-	kfree(icpll);
-	kfree(out);
-	kfree(output);
-	kfree(characteristics);
-	return NULL;
-}
-
-static int
-of_at91_clk_pll_setup(struct device_node *np,
-		      const struct clk_pll_layout *layout)
-{
-	u32 id;
-	struct clk *clk;
-	struct regmap *regmap;
-	const char *parent_name;
-	const char *name = np->name;
-	struct clk_pll_characteristics *characteristics;
-
-	if (of_property_read_u32(np, "reg", &id))
-		return -EINVAL;
-
-	parent_name = of_clk_get_parent_name(np, 0);
-
-	of_property_read_string(np, "clock-output-names", &name);
-
-	regmap = syscon_node_to_regmap(of_get_parent(np));
-	if (IS_ERR(regmap))
-		return PTR_ERR(regmap);
-
-	characteristics = of_at91_clk_pll_get_characteristics(np);
-	if (!characteristics)
-		return -EINVAL;
-
-	clk = at91_clk_register_pll(regmap, name, parent_name, id, layout,
-				    characteristics);
-	if (IS_ERR(clk)) {
-		kfree(characteristics);
-		return PTR_ERR(clk);
-	}
-
-	return of_clk_add_provider(np, of_clk_src_simple_get, clk);
-}
-
-static int of_at91rm9200_clk_pll_setup(struct device_node *np)
-{
-	return of_at91_clk_pll_setup(np, &at91rm9200_pll_layout);
-}
-CLK_OF_DECLARE(at91rm9200_clk_pll, "atmel,at91rm9200-clk-pll",
-	       of_at91rm9200_clk_pll_setup);
-
-static int of_at91sam9g45_clk_pll_setup(struct device_node *np)
-{
-	return of_at91_clk_pll_setup(np, &at91sam9g45_pll_layout);
-}
-CLK_OF_DECLARE(at91sam9g45_clk_pll, "atmel,at91sam9g45-clk-pll",
-	       of_at91sam9g45_clk_pll_setup);
-
-static int of_at91sam9g20_clk_pllb_setup(struct device_node *np)
-{
-	return of_at91_clk_pll_setup(np, &at91sam9g20_pllb_layout);
-}
-CLK_OF_DECLARE(at91sam9g20_clk_pllb, "atmel,at91sam9g20-clk-pllb",
-	       of_at91sam9g20_clk_pllb_setup);
-
-static int of_sama5d3_clk_pll_setup(struct device_node *np)
-{
-	return of_at91_clk_pll_setup(np, &sama5d3_pll_layout);
-}
-CLK_OF_DECLARE(sama5d3_clk_pll, "atmel,sama5d3-clk-pll",
-	       of_sama5d3_clk_pll_setup);
diff --git a/drivers/clk/at91/clk-plldiv.c b/drivers/clk/at91/clk-plldiv.c
index 917108e84c..98d79ef599 100644
--- a/drivers/clk/at91/clk-plldiv.c
+++ b/drivers/clk/at91/clk-plldiv.c
@@ -78,7 +78,7 @@ static const struct clk_ops plldiv_ops = {
 	.set_rate = clk_plldiv_set_rate,
 };
 
-static struct clk *
+struct clk *
 at91_clk_register_plldiv(struct regmap *regmap, const char *name,
 			 const char *parent_name)
 {
@@ -108,28 +108,3 @@ at91_clk_register_plldiv(struct regmap *regmap, const char *name,
 
 	return &plldiv->clk;
 }
-
-static int
-of_at91sam9x5_clk_plldiv_setup(struct device_node *np)
-{
-	struct clk *clk;
-	const char *parent_name;
-	const char *name = np->name;
-	struct regmap *regmap;
-
-	parent_name = of_clk_get_parent_name(np, 0);
-
-	of_property_read_string(np, "clock-output-names", &name);
-
-	regmap = syscon_node_to_regmap(of_get_parent(np));
-	if (IS_ERR(regmap))
-		return PTR_ERR(regmap);
-
-	clk = at91_clk_register_plldiv(regmap, name, parent_name);
-	if (IS_ERR(clk))
-		return PTR_ERR(clk);
-
-	return of_clk_add_provider(np, of_clk_src_simple_get, clk);
-}
-CLK_OF_DECLARE(at91sam9x5_clk_plldiv, "atmel,at91sam9x5-clk-plldiv",
-	       of_at91sam9x5_clk_plldiv_setup);
diff --git a/drivers/clk/at91/clk-programmable.c b/drivers/clk/at91/clk-programmable.c
index ddb18c0f7c..857ede1ca9 100644
--- a/drivers/clk/at91/clk-programmable.c
+++ b/drivers/clk/at91/clk-programmable.c
@@ -10,7 +10,6 @@
 
 #include <common.h>
 #include <clock.h>
-#include <of.h>
 #include <io.h>
 #include <linux/list.h>
 #include <linux/clk.h>
@@ -28,12 +27,6 @@
 #define PROG_PRES(layout, pckr)	((pckr >> layout->pres_shift) & PROG_PRES_MASK)
 #define PROG_MAX_RM9200_CSS	3
 
-struct clk_programmable_layout {
-	u8 pres_shift;
-	u8 css_mask;
-	u8 have_slck_mck;
-};
-
 struct clk_programmable {
 	struct clk clk;
 	struct regmap *regmap;
@@ -130,7 +123,7 @@ static const struct clk_ops programmable_ops = {
 	.set_rate = clk_programmable_set_rate,
 };
 
-static struct clk *
+struct clk *
 at91_clk_register_programmable(struct regmap *regmap,
 			       const char *name, const char **parent_names,
 			       u8 num_parents, u8 id,
@@ -167,88 +160,20 @@ at91_clk_register_programmable(struct regmap *regmap,
 	return &prog->clk;
 }
 
-static const struct clk_programmable_layout at91rm9200_programmable_layout = {
+const struct clk_programmable_layout at91rm9200_programmable_layout = {
 	.pres_shift = 2,
 	.css_mask = 0x3,
 	.have_slck_mck = 0,
 };
 
-static const struct clk_programmable_layout at91sam9g45_programmable_layout = {
+const struct clk_programmable_layout at91sam9g45_programmable_layout = {
 	.pres_shift = 2,
 	.css_mask = 0x3,
 	.have_slck_mck = 1,
 };
 
-static const struct clk_programmable_layout at91sam9x5_programmable_layout = {
+const struct clk_programmable_layout at91sam9x5_programmable_layout = {
 	.pres_shift = 4,
 	.css_mask = 0x7,
 	.have_slck_mck = 0,
 };
-
-static int
-of_at91_clk_prog_setup(struct device_node *np,
-		       const struct clk_programmable_layout *layout)
-{
-	int num;
-	u32 id;
-	struct clk *clk;
-	unsigned int num_parents;
-	const char *parent_names[PROG_SOURCE_MAX];
-	const char *name;
-	struct device_node *progclknp;
-	struct regmap *regmap;
-
-	num_parents = of_clk_get_parent_count(np);
-	if (num_parents == 0 || num_parents > PROG_SOURCE_MAX)
-		return -EINVAL;
-
-	of_clk_parent_fill(np, parent_names, num_parents);
-
-	num = of_get_child_count(np);
-	if (!num || num > (PROG_ID_MAX + 1))
-		return -EINVAL;
-
-	regmap = syscon_node_to_regmap(of_get_parent(np));
-	if (IS_ERR(regmap))
-		return PTR_ERR(regmap);
-
-	for_each_child_of_node(np, progclknp) {
-		if (of_property_read_u32(progclknp, "reg", &id))
-			continue;
-
-		if (of_property_read_string(np, "clock-output-names", &name))
-			name = progclknp->name;
-
-		clk = at91_clk_register_programmable(regmap, name,
-						     parent_names, num_parents,
-						     id, layout);
-		if (IS_ERR(clk))
-			continue;
-
-		of_clk_add_provider(progclknp, of_clk_src_simple_get, clk);
-	}
-
-	return 0;
-}
-
-
-static void __init of_at91rm9200_clk_prog_setup(struct device_node *np)
-{
-	of_at91_clk_prog_setup(np, &at91rm9200_programmable_layout);
-}
-CLK_OF_DECLARE(at91rm9200_clk_prog, "atmel,at91rm9200-clk-programmable",
-	       of_at91rm9200_clk_prog_setup);
-
-static int of_at91sam9g45_clk_prog_setup(struct device_node *np)
-{
-	return of_at91_clk_prog_setup(np, &at91sam9g45_programmable_layout);
-}
-CLK_OF_DECLARE(at91sam9g45_clk_prog, "atmel,at91sam9g45-clk-programmable",
-	       of_at91sam9g45_clk_prog_setup);
-
-static int of_at91sam9x5_clk_prog_setup(struct device_node *np)
-{
-	return of_at91_clk_prog_setup(np, &at91sam9x5_programmable_layout);
-}
-CLK_OF_DECLARE(at91sam9x5_clk_prog, "atmel,at91sam9x5-clk-programmable",
-	       of_at91sam9x5_clk_prog_setup);
diff --git a/drivers/clk/at91/clk-slow.c b/drivers/clk/at91/clk-slow.c
index d4981e7b4d..d19f7e15ac 100644
--- a/drivers/clk/at91/clk-slow.c
+++ b/drivers/clk/at91/clk-slow.c
@@ -12,7 +12,6 @@
 
 #include <common.h>
 #include <clock.h>
-#include <of.h>
 #include <io.h>
 #include <linux/list.h>
 #include <linux/clk.h>
@@ -44,7 +43,7 @@ static const struct clk_ops sam9260_slow_ops = {
 	.get_parent = clk_sam9260_slow_get_parent,
 };
 
-static struct clk * __init
+struct clk * __init
 at91_clk_register_sam9260_slow(struct regmap *regmap,
 			       const char *name,
 			       const char **parent_names,
@@ -76,33 +75,3 @@ at91_clk_register_sam9260_slow(struct regmap *regmap,
 
 	return &slowck->clk;
 }
-
-static int of_at91sam9260_clk_slow_setup(struct device_node *np)
-{
-	struct clk *clk;
-	const char *parent_names[2];
-	unsigned int num_parents;
-	const char *name = np->name;
-	struct regmap *regmap;
-
-	num_parents = of_clk_get_parent_count(np);
-	if (num_parents != 2)
-		return -EINVAL;
-
-	of_clk_parent_fill(np, parent_names, num_parents);
-	regmap = syscon_node_to_regmap(of_get_parent(np));
-	if (IS_ERR(regmap))
-		return PTR_ERR(regmap);
-
-	of_property_read_string(np, "clock-output-names", &name);
-
-	clk = at91_clk_register_sam9260_slow(regmap, name, parent_names,
-					     num_parents);
-	if (IS_ERR(clk))
-		return PTR_ERR(clk);
-
-	return of_clk_add_provider(np, of_clk_src_simple_get, clk);
-}
-
-CLK_OF_DECLARE(at91sam9260_clk_slow, "atmel,at91sam9260-clk-slow",
-	       of_at91sam9260_clk_slow_setup);
diff --git a/drivers/clk/at91/clk-smd.c b/drivers/clk/at91/clk-smd.c
index 65c53efbba..e81f0d4d4e 100644
--- a/drivers/clk/at91/clk-smd.c
+++ b/drivers/clk/at91/clk-smd.c
@@ -10,7 +10,6 @@
 
 #include <common.h>
 #include <clock.h>
-#include <of.h>
 #include <io.h>
 #include <linux/list.h>
 #include <linux/clk.h>
@@ -115,7 +114,7 @@ static const struct clk_ops at91sam9x5_smd_ops = {
 	.set_rate = at91sam9x5_clk_smd_set_rate,
 };
 
-static struct clk *
+struct clk *
 at91sam9x5_clk_register_smd(struct regmap *regmap, const char *name,
 			    const char **parent_names, u8 num_parents)
 {
@@ -140,33 +139,3 @@ at91sam9x5_clk_register_smd(struct regmap *regmap, const char *name,
 
 	return &smd->clk;
 }
-
-static int of_at91sam9x5_clk_smd_setup(struct device_node *np)
-{
-	struct clk *clk;
-	unsigned int num_parents;
-	const char *parent_names[SMD_SOURCE_MAX];
-	const char *name = np->name;
-	struct regmap *regmap;
-
-	num_parents = of_clk_get_parent_count(np);
-	if (num_parents == 0 || num_parents > SMD_SOURCE_MAX)
-		return -EINVAL;
-
-	of_clk_parent_fill(np, parent_names, num_parents);
-
-	of_property_read_string(np, "clock-output-names", &name);
-
-	regmap = syscon_node_to_regmap(of_get_parent(np));
-	if (IS_ERR(regmap))
-		return PTR_ERR(regmap);
-
-	clk = at91sam9x5_clk_register_smd(regmap, name, parent_names,
-					  num_parents);
-	if (IS_ERR(clk))
-		return PTR_ERR(clk);
-
-	return of_clk_add_provider(np, of_clk_src_simple_get, clk);
-}
-CLK_OF_DECLARE(at91sam9x5_clk_smd, "atmel,at91sam9x5-clk-smd",
-	       of_at91sam9x5_clk_smd_setup);
diff --git a/drivers/clk/at91/clk-system.c b/drivers/clk/at91/clk-system.c
index 021930e546..8be5c7f2b3 100644
--- a/drivers/clk/at91/clk-system.c
+++ b/drivers/clk/at91/clk-system.c
@@ -9,7 +9,6 @@
  */
 #include <common.h>
 #include <clock.h>
-#include <of.h>
 #include <io.h>
 #include <linux/list.h>
 #include <linux/clk.h>
@@ -91,7 +90,7 @@ static const struct clk_ops system_ops = {
 	.is_enabled = clk_system_is_enabled,
 };
 
-static struct clk *
+struct clk *
 at91_clk_register_system(struct regmap *regmap, const char *name,
 			 const char *parent_name, u8 id)
 {
@@ -119,42 +118,3 @@ at91_clk_register_system(struct regmap *regmap, const char *name,
 
 	return &sys->clk;
 }
-
-static int of_at91rm9200_clk_sys_setup(struct device_node *np)
-{
-	int num;
-	u32 id;
-	struct clk *clk;
-	const char *name;
-	struct device_node *sysclknp;
-	const char *parent_name;
-	struct regmap *regmap;
-
-	num = of_get_child_count(np);
-	if (num > (SYSTEM_MAX_ID + 1))
-		return -EINVAL;
-
-	regmap = syscon_node_to_regmap(of_get_parent(np));
-	if (IS_ERR(regmap))
-		return PTR_ERR(regmap);
-
-	for_each_child_of_node(np, sysclknp) {
-		if (of_property_read_u32(sysclknp, "reg", &id))
-			continue;
-
-		if (of_property_read_string(np, "clock-output-names", &name))
-			name = sysclknp->name;
-
-		parent_name = of_clk_get_parent_name(sysclknp, 0);
-
-		clk = at91_clk_register_system(regmap, name, parent_name, id);
-		if (IS_ERR(clk))
-			continue;
-
-		of_clk_add_provider(sysclknp, of_clk_src_simple_get, clk);
-	}
-
-	return 0;
-}
-CLK_OF_DECLARE(at91rm9200_clk_sys, "atmel,at91rm9200-clk-system",
-	       of_at91rm9200_clk_sys_setup);
diff --git a/drivers/clk/at91/clk-usb.c b/drivers/clk/at91/clk-usb.c
index 99ba671c98..0eb0b1f5bc 100644
--- a/drivers/clk/at91/clk-usb.c
+++ b/drivers/clk/at91/clk-usb.c
@@ -10,7 +10,6 @@
 
 #include <common.h>
 #include <clock.h>
-#include <of.h>
 #include <io.h>
 #include <linux/list.h>
 #include <linux/clk.h>
@@ -144,7 +143,7 @@ static const struct clk_ops at91sam9n12_usb_ops = {
 	.set_rate = at91sam9x5_clk_usb_set_rate,
 };
 
-static struct clk *
+struct clk *
 at91sam9x5_clk_register_usb(struct regmap *regmap, const char *name,
 			    const char **parent_names, u8 num_parents)
 {
@@ -172,7 +171,7 @@ at91sam9x5_clk_register_usb(struct regmap *regmap, const char *name,
 	return &usb->clk;
 }
 
-static struct clk *
+struct clk *
 at91sam9n12_clk_register_usb(struct regmap *regmap, const char *name,
 			     const char *parent_name)
 {
@@ -282,7 +281,7 @@ static const struct clk_ops at91rm9200_usb_ops = {
 	.set_rate = at91rm9200_clk_usb_set_rate,
 };
 
-static struct clk *
+struct clk *
 at91rm9200_clk_register_usb(struct regmap *regmap, const char *name,
 			    const char *parent_name, const u32 *divisors)
 {
@@ -308,90 +307,3 @@ at91rm9200_clk_register_usb(struct regmap *regmap, const char *name,
 
 	return &usb->clk;
 }
-
-static int of_at91sam9x5_clk_usb_setup(struct device_node *np)
-{
-	struct clk *clk;
-	unsigned int num_parents;
-	const char *parent_names[USB_SOURCE_MAX];
-	const char *name = np->name;
-	struct regmap *regmap;
-
-	num_parents = of_clk_get_parent_count(np);
-	if (num_parents == 0 || num_parents > USB_SOURCE_MAX)
-		return -EINVAL;
-
-	of_clk_parent_fill(np, parent_names, num_parents);
-
-	of_property_read_string(np, "clock-output-names", &name);
-
-	regmap = syscon_node_to_regmap(of_get_parent(np));
-	if (IS_ERR(regmap))
-		return PTR_ERR(regmap);
-
-	clk = at91sam9x5_clk_register_usb(regmap, name, parent_names,
-					 num_parents);
-	if (IS_ERR(clk))
-		return PTR_ERR(clk);
-
-	return of_clk_add_provider(np, of_clk_src_simple_get, clk);
-}
-CLK_OF_DECLARE(at91sam9x5_clk_usb, "atmel,at91sam9x5-clk-usb",
-	       of_at91sam9x5_clk_usb_setup);
-
-static int of_at91sam9n12_clk_usb_setup(struct device_node *np)
-{
-	struct clk *clk;
-	const char *parent_name;
-	const char *name = np->name;
-	struct regmap *regmap;
-
-	parent_name = of_clk_get_parent_name(np, 0);
-	if (!parent_name)
-		return -EINVAL;
-
-	of_property_read_string(np, "clock-output-names", &name);
-
-	regmap = syscon_node_to_regmap(of_get_parent(np));
-	if (IS_ERR(regmap))
-		return PTR_ERR(regmap);
-
-	clk = at91sam9n12_clk_register_usb(regmap, name, parent_name);
-	if (IS_ERR(clk))
-		return PTR_ERR(clk);
-
-	return of_clk_add_provider(np, of_clk_src_simple_get, clk);
-}
-CLK_OF_DECLARE(at91sam9n12_clk_usb, "atmel,at91sam9n12-clk-usb",
-	       of_at91sam9n12_clk_usb_setup);
-
-static int of_at91rm9200_clk_usb_setup(struct device_node *np)
-{
-	struct clk *clk;
-	const char *parent_name;
-	const char *name = np->name;
-	u32 divisors[4] = {0, 0, 0, 0};
-	struct regmap *regmap;
-
-	parent_name = of_clk_get_parent_name(np, 0);
-	if (!parent_name)
-		return -EINVAL;
-
-	of_property_read_u32_array(np, "atmel,clk-divisors", divisors, 4);
-	if (!divisors[0])
-		return -EINVAL;
-
-	of_property_read_string(np, "clock-output-names", &name);
-
-	regmap = syscon_node_to_regmap(of_get_parent(np));
-	if (IS_ERR(regmap))
-		return PTR_ERR(regmap);
-
-	clk = at91rm9200_clk_register_usb(regmap, name, parent_name, divisors);
-	if (IS_ERR(clk))
-		return PTR_ERR(clk);
-
-	return of_clk_add_provider(np, of_clk_src_simple_get, clk);
-}
-CLK_OF_DECLARE(at91rm9200_clk_usb, "atmel,at91rm9200-clk-usb",
-	       of_at91rm9200_clk_usb_setup);
diff --git a/drivers/clk/at91/clk-utmi.c b/drivers/clk/at91/clk-utmi.c
index 6a1c5e6df3..c40af34d0d 100644
--- a/drivers/clk/at91/clk-utmi.c
+++ b/drivers/clk/at91/clk-utmi.c
@@ -10,21 +10,27 @@
 
 #include <common.h>
 #include <clock.h>
-#include <of.h>
 #include <linux/list.h>
 #include <linux/clk.h>
 #include <linux/clk/at91_pmc.h>
 #include <mfd/syscon.h>
 #include <regmap.h>
 
+#include <soc/at91/atmel-sfr.h>
+
 #include "pmc.h"
 
-#define UTMI_FIXED_MUL		40
+/*
+ * The purpose of this clock is to generate a 480 MHz signal. A different
+ * rate can't be configured.
+ */
+#define UTMI_RATE      480000000
 
 struct clk_utmi {
 	struct clk clk;
-	struct regmap *regmap;
 	const char *parent;
+	struct regmap *regmap_pmc;
+	struct regmap *regmap_sfr;
 };
 
 #define to_clk_utmi(clk) container_of(clk, struct clk_utmi, clk)
@@ -40,13 +46,55 @@ static inline bool clk_utmi_ready(struct regmap *regmap)
 
 static int clk_utmi_enable(struct clk *clk)
 {
+	struct clk *hw_parent;
 	struct clk_utmi *utmi = to_clk_utmi(clk);
 	unsigned int uckr = AT91_PMC_UPLLEN | AT91_PMC_UPLLCOUNT |
 			    AT91_PMC_BIASEN;
+	unsigned int utmi_ref_clk_freq;
+	unsigned long parent_rate;
+
+	/*
+	 * If mainck rate is different from 12 MHz, we have to configure the
+	 * FREQ field of the SFR_UTMICKTRIM register to generate properly
+	 * the utmi clock.
+	 */
+	hw_parent = clk_get_parent(clk);
+	parent_rate = clk_get_rate(hw_parent);
+
+	switch (parent_rate) {
+	case 12000000:
+		utmi_ref_clk_freq = 0;
+		break;
+	case 16000000:
+		utmi_ref_clk_freq = 1;
+		break;
+	case 24000000:
+		utmi_ref_clk_freq = 2;
+		break;
+	/*
+	 * Not supported on SAMA5D2 but it's not an issue since MAINCK
+	 * maximum value is 24 MHz.
+	 */
+	case 48000000:
+		utmi_ref_clk_freq = 3;
+		break;
+	default:
+		pr_err("UTMICK: unsupported mainck rate\n");
+		return -EINVAL;
+	}
+
+
+	if (utmi->regmap_sfr) {
+		regmap_write_bits(utmi->regmap_sfr, AT91_SFR_UTMICKTRIM,
+				  AT91_UTMICKTRIM_FREQ, utmi_ref_clk_freq);
+	} else if (utmi_ref_clk_freq) {
+		pr_err("UTMICK: sfr node required\n");
+		return -EINVAL;
+	}
+	regmap_write_bits(utmi->regmap_pmc, AT91_CKGR_UCKR, uckr, uckr);
 
-	regmap_write_bits(utmi->regmap, AT91_CKGR_UCKR, uckr, uckr);
 
-	while (!clk_utmi_ready(utmi->regmap))
+	while (!clk_utmi_ready(utmi->regmap_pmc))
 		barrier();
 
 	return 0;
@@ -56,21 +104,22 @@ static int clk_utmi_is_enabled(struct clk *clk)
 {
 	struct clk_utmi *utmi = to_clk_utmi(clk);
 
-	return clk_utmi_ready(utmi->regmap);
+	return clk_utmi_ready(utmi->regmap_pmc);
 }
 
 static void clk_utmi_disable(struct clk *clk)
 {
 	struct clk_utmi *utmi = to_clk_utmi(clk);
 
-	regmap_write_bits(utmi->regmap, AT91_CKGR_UCKR, AT91_PMC_UPLLEN, 0);
+	regmap_write_bits(utmi->regmap_pmc, AT91_CKGR_UCKR,
+			  AT91_PMC_UPLLEN, 0);
 }
 
 static unsigned long clk_utmi_recalc_rate(struct clk *clk,
 					  unsigned long parent_rate)
 {
-	/* UTMI clk is a fixed clk multiplier */
-	return parent_rate * UTMI_FIXED_MUL;
+	/* UTMI clk rate is fixed */
+	return UTMI_RATE;
 }
 
 static const struct clk_ops utmi_ops = {
@@ -80,8 +129,8 @@ static const struct clk_ops utmi_ops = {
 	.recalc_rate = clk_utmi_recalc_rate,
 };
 
-static struct clk * __init
-at91_clk_register_utmi(struct regmap *regmap,
+struct clk * __init
+at91_clk_register_utmi(struct regmap *regmap_pmc, struct regmap *regmap_sfr,
 		       const char *name, const char *parent_name)
 {
 	int ret;
@@ -100,7 +149,8 @@ at91_clk_register_utmi(struct regmap *regmap,
 
 	/* utmi->clk.flags = CLK_SET_RATE_GATE; */
 
-	utmi->regmap = regmap;
+	utmi->regmap_pmc = regmap_pmc;
+	utmi->regmap_sfr = regmap_sfr;
 
 	ret = clk_register(&utmi->clk);
 	if (ret) {
@@ -110,29 +160,3 @@ at91_clk_register_utmi(struct regmap *regmap,
 
 	return &utmi->clk;
 }
-#if defined(CONFIG_OFTREE) && defined(CONFIG_COMMON_CLK_OF_PROVIDER)
-static void __init of_at91sam9x5_clk_utmi_setup(struct device_node *np)
-{
-	struct clk *clk;
-	const char *parent_name;
-	const char *name = np->name;
-	struct regmap *regmap;
-
-	parent_name = of_clk_get_parent_name(np, 0);
-
-	of_property_read_string(np, "clock-output-names", &name);
-
-	regmap = syscon_node_to_regmap(of_get_parent(np));
-	if (IS_ERR(regmap))
-		return;
-
-	clk = at91_clk_register_utmi(regmap, name, parent_name);
-	if (IS_ERR(clk))
-		return;
-
-	of_clk_add_provider(np, of_clk_src_simple_get, clk);
-	return;
-}
-CLK_OF_DECLARE(at91sam9x5_clk_utmi, "atmel,at91sam9x5-clk-utmi",
-	       of_at91sam9x5_clk_utmi_setup);
-#endif
diff --git a/drivers/clk/at91/dt-compat.c b/drivers/clk/at91/dt-compat.c
new file mode 100644
index 0000000000..bbd670641b
--- /dev/null
+++ b/drivers/clk/at91/dt-compat.c
@@ -0,0 +1,961 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <of.h>
+#include <driver.h>
+#include <regmap.h>
+#include <mfd/syscon.h>
+
+
+#include "pmc.h"
+
+#define MASTER_SOURCE_MAX	4
+
+#define PERIPHERAL_AT91RM9200	0
+#define PERIPHERAL_AT91SAM9X5	1
+
+#define PERIPHERAL_MAX		64
+
+#define PERIPHERAL_ID_MIN	2
+
+#define PROG_SOURCE_MAX		5
+#define PROG_ID_MAX		7
+
+#define SYSTEM_MAX_ID		31
+
+#ifdef CONFIG_HAVE_AT91_AUDIO_PLL
+static void __init of_sama5d2_clk_audio_pll_frac_setup(struct device_node *np)
+{
+	struct clk *hw;
+	const char *name = np->name;
+	const char *parent_name;
+	struct regmap *regmap;
+
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	parent_name = of_clk_get_parent_name(np, 0);
+
+	hw = at91_clk_register_audio_pll_frac(regmap, name, parent_name);
+	if (IS_ERR(hw))
+		return;
+
+	of_clk_add_provider(np, of_clk_src_simple_get, hw);
+}
+CLK_OF_DECLARE(of_sama5d2_clk_audio_pll_frac_setup,
+	       "atmel,sama5d2-clk-audio-pll-frac",
+	       of_sama5d2_clk_audio_pll_frac_setup);
+
+static void __init of_sama5d2_clk_audio_pll_pad_setup(struct device_node *np)
+{
+	struct clk *hw;
+	const char *name = np->name;
+	const char *parent_name;
+	struct regmap *regmap;
+
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	parent_name = of_clk_get_parent_name(np, 0);
+
+	hw = at91_clk_register_audio_pll_pad(regmap, name, parent_name);
+	if (IS_ERR(hw))
+		return;
+
+	of_clk_add_provider(np, of_clk_src_simple_get, hw);
+}
+CLK_OF_DECLARE(of_sama5d2_clk_audio_pll_pad_setup,
+	       "atmel,sama5d2-clk-audio-pll-pad",
+	       of_sama5d2_clk_audio_pll_pad_setup);
+
+static void __init of_sama5d2_clk_audio_pll_pmc_setup(struct device_node *np)
+{
+	struct clk *hw;
+	const char *name = np->name;
+	const char *parent_name;
+	struct regmap *regmap;
+
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	parent_name = of_clk_get_parent_name(np, 0);
+
+	hw = at91_clk_register_audio_pll_pmc(regmap, name, parent_name);
+	if (IS_ERR(hw))
+		return;
+
+	of_clk_add_provider(np, of_clk_src_simple_get, hw);
+}
+CLK_OF_DECLARE(of_sama5d2_clk_audio_pll_pmc_setup,
+	       "atmel,sama5d2-clk-audio-pll-pmc",
+	       of_sama5d2_clk_audio_pll_pmc_setup);
+#endif /* CONFIG_HAVE_AT91_AUDIO_PLL */
+
+#ifdef CONFIG_HAVE_AT91_GENERATED_CLK
+#define GENERATED_SOURCE_MAX	6
+
+#define GCK_ID_I2S0		54
+#define GCK_ID_I2S1		55
+#define GCK_ID_CLASSD		59
+
+static void __init of_sama5d2_clk_generated_setup(struct device_node *np)
+{
+	int num;
+	u32 id;
+	const char *name;
+	struct clk *hw;
+	unsigned int num_parents;
+	const char *parent_names[GENERATED_SOURCE_MAX];
+	struct device_node *gcknp;
+	struct clk_range range = CLK_RANGE(0, 0);
+	struct regmap *regmap;
+
+	num_parents = of_clk_get_parent_count(np);
+	if (num_parents == 0 || num_parents > GENERATED_SOURCE_MAX)
+		return;
+
+	of_clk_parent_fill(np, parent_names, num_parents);
+
+	num = of_get_child_count(np);
+	if (!num || num > PERIPHERAL_MAX)
+		return;
+
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	for_each_child_of_node(np, gcknp) {
+		bool pll_audio = false;
+
+		if (of_property_read_u32(gcknp, "reg", &id))
+			continue;
+
+		if (id < PERIPHERAL_ID_MIN || id >= PERIPHERAL_MAX)
+			continue;
+
+		if (of_property_read_string(np, "clock-output-names", &name))
+			name = gcknp->name;
+
+		of_at91_get_clk_range(gcknp, "atmel,clk-output-range",
+				      &range);
+
+		if (of_device_is_compatible(np, "atmel,sama5d2-clk-generated") &&
+		    (id == GCK_ID_I2S0 || id == GCK_ID_I2S1 ||
+		     id == GCK_ID_CLASSD))
+			pll_audio = true;
+
+		hw = at91_clk_register_generated(regmap, name,
+						 parent_names, num_parents,
+						 id, pll_audio, &range);
+		if (IS_ERR(hw))
+			continue;
+
+		of_clk_add_provider(gcknp, of_clk_src_simple_get, hw);
+	}
+}
+CLK_OF_DECLARE(of_sama5d2_clk_generated_setup, "atmel,sama5d2-clk-generated",
+	       of_sama5d2_clk_generated_setup);
+#endif /* CONFIG_HAVE_AT91_GENERATED_CLK */
+
+#ifdef CONFIG_HAVE_AT91_H32MX
+static void __init of_sama5d4_clk_h32mx_setup(struct device_node *np)
+{
+	struct clk *hw;
+	const char *name = np->name;
+	const char *parent_name;
+	struct regmap *regmap;
+
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	parent_name = of_clk_get_parent_name(np, 0);
+
+	hw = at91_clk_register_h32mx(regmap, name, parent_name);
+	if (IS_ERR(hw))
+		return;
+
+	of_clk_add_provider(np, of_clk_src_simple_get, hw);
+}
+CLK_OF_DECLARE(of_sama5d4_clk_h32mx_setup, "atmel,sama5d4-clk-h32mx",
+	       of_sama5d4_clk_h32mx_setup);
+#endif /* CONFIG_HAVE_AT91_H32MX */
+
+#ifdef CONFIG_HAVE_AT91_I2S_MUX_CLK
+#define	I2S_BUS_NR	2
+
+static void __init of_sama5d2_clk_i2s_mux_setup(struct device_node *np)
+{
+	struct regmap *regmap_sfr;
+	u8 bus_id;
+	const char *parent_names[2];
+	struct device_node *i2s_mux_np;
+	struct clk *hw;
+	int ret;
+
+	regmap_sfr = syscon_regmap_lookup_by_compatible("atmel,sama5d2-sfr");
+	if (IS_ERR(regmap_sfr))
+		return;
+
+	for_each_child_of_node(np, i2s_mux_np) {
+		if (of_property_read_u8(i2s_mux_np, "reg", &bus_id))
+			continue;
+
+		if (bus_id > I2S_BUS_NR)
+			continue;
+
+		ret = of_clk_parent_fill(i2s_mux_np, parent_names, 2);
+		if (ret != 2)
+			continue;
+
+		hw = at91_clk_i2s_mux_register(regmap_sfr, i2s_mux_np->name,
+					       parent_names, 2, bus_id);
+		if (IS_ERR(hw))
+			continue;
+
+		of_clk_add_provider(i2s_mux_np, of_clk_src_simple_get, hw);
+	}
+}
+CLK_OF_DECLARE(sama5d2_clk_i2s_mux, "atmel,sama5d2-clk-i2s-mux",
+	       of_sama5d2_clk_i2s_mux_setup);
+#endif /* CONFIG_HAVE_AT91_I2S_MUX_CLK */
+
+static void __init of_at91rm9200_clk_main_osc_setup(struct device_node *np)
+{
+	struct clk *hw;
+	const char *name = np->name;
+	const char *parent_name;
+	struct regmap *regmap;
+	bool bypass;
+
+	of_property_read_string(np, "clock-output-names", &name);
+	bypass = of_property_read_bool(np, "atmel,osc-bypass");
+	parent_name = of_clk_get_parent_name(np, 0);
+
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	hw = at91_clk_register_main_osc(regmap, name, parent_name, bypass);
+	if (IS_ERR(hw))
+		return;
+
+	of_clk_add_provider(np, of_clk_src_simple_get, hw);
+}
+CLK_OF_DECLARE(at91rm9200_clk_main_osc, "atmel,at91rm9200-clk-main-osc",
+	       of_at91rm9200_clk_main_osc_setup);
+
+static void __init of_at91sam9x5_clk_main_rc_osc_setup(struct device_node *np)
+{
+	struct clk *hw;
+	u32 frequency = 0;
+	u32 accuracy = 0;
+	const char *name = np->name;
+	struct regmap *regmap;
+
+	of_property_read_string(np, "clock-output-names", &name);
+	of_property_read_u32(np, "clock-frequency", &frequency);
+	of_property_read_u32(np, "clock-accuracy", &accuracy);
+
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	hw = at91_clk_register_main_rc_osc(regmap, name, frequency, accuracy);
+	if (IS_ERR(hw))
+		return;
+
+	of_clk_add_provider(np, of_clk_src_simple_get, hw);
+}
+CLK_OF_DECLARE(at91sam9x5_clk_main_rc_osc, "atmel,at91sam9x5-clk-main-rc-osc",
+	       of_at91sam9x5_clk_main_rc_osc_setup);
+
+static void __init of_at91rm9200_clk_main_setup(struct device_node *np)
+{
+	struct clk *hw;
+	const char *parent_name;
+	const char *name = np->name;
+	struct regmap *regmap;
+
+	parent_name = of_clk_get_parent_name(np, 0);
+	of_property_read_string(np, "clock-output-names", &name);
+
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	hw = at91_clk_register_rm9200_main(regmap, name, parent_name);
+	if (IS_ERR(hw))
+		return;
+
+	of_clk_add_provider(np, of_clk_src_simple_get, hw);
+}
+CLK_OF_DECLARE(at91rm9200_clk_main, "atmel,at91rm9200-clk-main",
+	       of_at91rm9200_clk_main_setup);
+
+static void __init of_at91sam9x5_clk_main_setup(struct device_node *np)
+{
+	struct clk *hw;
+	const char *parent_names[2];
+	unsigned int num_parents;
+	const char *name = np->name;
+	struct regmap *regmap;
+
+	num_parents = of_clk_get_parent_count(np);
+	if (num_parents == 0 || num_parents > 2)
+		return;
+
+	of_clk_parent_fill(np, parent_names, num_parents);
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	of_property_read_string(np, "clock-output-names", &name);
+
+	hw = at91_clk_register_sam9x5_main(regmap, name, parent_names,
+					   num_parents);
+	if (IS_ERR(hw))
+		return;
+
+	of_clk_add_provider(np, of_clk_src_simple_get, hw);
+}
+CLK_OF_DECLARE(at91sam9x5_clk_main, "atmel,at91sam9x5-clk-main",
+	       of_at91sam9x5_clk_main_setup);
+
+static struct clk_master_characteristics * __init
+of_at91_clk_master_get_characteristics(struct device_node *np)
+{
+	struct clk_master_characteristics *characteristics;
+
+	characteristics = kzalloc(sizeof(*characteristics), GFP_KERNEL);
+	if (!characteristics)
+		return NULL;
+
+	if (of_at91_get_clk_range(np, "atmel,clk-output-range", &characteristics->output))
+		goto out_free_characteristics;
+
+	of_property_read_u32_array(np, "atmel,clk-divisors",
+				   characteristics->divisors, 4);
+
+	characteristics->have_div3_pres =
+		of_property_read_bool(np, "atmel,master-clk-have-div3-pres");
+
+	return characteristics;
+
+out_free_characteristics:
+	kfree(characteristics);
+	return NULL;
+}
+
+static void __init
+of_at91_clk_master_setup(struct device_node *np,
+			 const struct clk_master_layout *layout)
+{
+	struct clk *hw;
+	unsigned int num_parents;
+	const char *parent_names[MASTER_SOURCE_MAX];
+	const char *name = np->name;
+	struct clk_master_characteristics *characteristics;
+	struct regmap *regmap;
+
+	num_parents = of_clk_get_parent_count(np);
+	if (num_parents == 0 || num_parents > MASTER_SOURCE_MAX)
+		return;
+
+	of_clk_parent_fill(np, parent_names, num_parents);
+
+	of_property_read_string(np, "clock-output-names", &name);
+
+	characteristics = of_at91_clk_master_get_characteristics(np);
+	if (!characteristics)
+		return;
+
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	hw = at91_clk_register_master(regmap, name, num_parents,
+				      parent_names, layout,
+				      characteristics);
+	if (IS_ERR(hw))
+		goto out_free_characteristics;
+
+	of_clk_add_provider(np, of_clk_src_simple_get, hw);
+	return;
+
+out_free_characteristics:
+	kfree(characteristics);
+}
+
+static void __init of_at91rm9200_clk_master_setup(struct device_node *np)
+{
+	of_at91_clk_master_setup(np, &at91rm9200_master_layout);
+}
+CLK_OF_DECLARE(at91rm9200_clk_master, "atmel,at91rm9200-clk-master",
+	       of_at91rm9200_clk_master_setup);
+
+static void __init of_at91sam9x5_clk_master_setup(struct device_node *np)
+{
+	of_at91_clk_master_setup(np, &at91sam9x5_master_layout);
+}
+CLK_OF_DECLARE(at91sam9x5_clk_master, "atmel,at91sam9x5-clk-master",
+	       of_at91sam9x5_clk_master_setup);
+
+static void __init
+of_at91_clk_periph_setup(struct device_node *np, u8 type)
+{
+	int num;
+	u32 id;
+	struct clk *hw;
+	const char *parent_name;
+	const char *name;
+	struct device_node *periphclknp;
+	struct regmap *regmap;
+
+	parent_name = of_clk_get_parent_name(np, 0);
+	if (!parent_name)
+		return;
+
+	num = of_get_child_count(np);
+	if (!num || num > PERIPHERAL_MAX)
+		return;
+
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	for_each_child_of_node(np, periphclknp) {
+		if (of_property_read_u32(periphclknp, "reg", &id))
+			continue;
+
+		if (id >= PERIPHERAL_MAX)
+			continue;
+
+		if (of_property_read_string(np, "clock-output-names", &name))
+			name = periphclknp->name;
+
+		if (type == PERIPHERAL_AT91RM9200) {
+			hw = at91_clk_register_peripheral(regmap, name,
+							  parent_name, id);
+		} else {
+			struct clk_range range = CLK_RANGE(0, 0);
+
+			of_at91_get_clk_range(periphclknp,
+					      "atmel,clk-output-range",
+					      &range);
+
+			hw = at91_clk_register_sam9x5_peripheral(regmap,
+								 name,
+								 parent_name,
+								 id, &range);
+		}
+
+		if (IS_ERR(hw))
+			continue;
+
+		of_clk_add_provider(periphclknp, of_clk_src_simple_get, hw);
+	}
+}
+
+static void __init of_at91rm9200_clk_periph_setup(struct device_node *np)
+{
+	of_at91_clk_periph_setup(np, PERIPHERAL_AT91RM9200);
+}
+CLK_OF_DECLARE(at91rm9200_clk_periph, "atmel,at91rm9200-clk-peripheral",
+	       of_at91rm9200_clk_periph_setup);
+
+static void __init of_at91sam9x5_clk_periph_setup(struct device_node *np)
+{
+	of_at91_clk_periph_setup(np, PERIPHERAL_AT91SAM9X5);
+}
+CLK_OF_DECLARE(at91sam9x5_clk_periph, "atmel,at91sam9x5-clk-peripheral",
+	       of_at91sam9x5_clk_periph_setup);
+
+static struct clk_pll_characteristics * __init
+of_at91_clk_pll_get_characteristics(struct device_node *np)
+{
+	int i;
+	int offset;
+	u32 tmp;
+	int num_output;
+	u32 num_cells;
+	struct clk_range input;
+	struct clk_range *output;
+	u8 *out = NULL;
+	u16 *icpll = NULL;
+	struct clk_pll_characteristics *characteristics;
+
+	if (of_at91_get_clk_range(np, "atmel,clk-input-range", &input))
+		return NULL;
+
+	if (of_property_read_u32(np, "#atmel,pll-clk-output-range-cells",
+				 &num_cells))
+		return NULL;
+
+	if (num_cells < 2 || num_cells > 4)
+		return NULL;
+
+	if (!of_get_property(np, "atmel,pll-clk-output-ranges", &tmp))
+		return NULL;
+	num_output = tmp / (sizeof(u32) * num_cells);
+
+	characteristics = kzalloc(sizeof(*characteristics), GFP_KERNEL);
+	if (!characteristics)
+		return NULL;
+
+	output = kcalloc(num_output, sizeof(*output), GFP_KERNEL);
+	if (!output)
+		goto out_free_characteristics;
+
+	if (num_cells > 2) {
+		out = kcalloc(num_output, sizeof(*out), GFP_KERNEL);
+		if (!out)
+			goto out_free_output;
+	}
+
+	if (num_cells > 3) {
+		icpll = kcalloc(num_output, sizeof(*icpll), GFP_KERNEL);
+		if (!icpll)
+			goto out_free_output;
+	}
+
+	for (i = 0; i < num_output; i++) {
+		offset = i * num_cells;
+		if (of_property_read_u32_index(np,
+					       "atmel,pll-clk-output-ranges",
+					       offset, &tmp))
+			goto out_free_output;
+		output[i].min = tmp;
+		if (of_property_read_u32_index(np,
+					       "atmel,pll-clk-output-ranges",
+					       offset + 1, &tmp))
+			goto out_free_output;
+		output[i].max = tmp;
+
+		if (num_cells == 2)
+			continue;
+
+		if (of_property_read_u32_index(np,
+					       "atmel,pll-clk-output-ranges",
+					       offset + 2, &tmp))
+			goto out_free_output;
+		out[i] = tmp;
+
+		if (num_cells == 3)
+			continue;
+
+		if (of_property_read_u32_index(np,
+					       "atmel,pll-clk-output-ranges",
+					       offset + 3, &tmp))
+			goto out_free_output;
+		icpll[i] = tmp;
+	}
+
+	characteristics->input = input;
+	characteristics->num_output = num_output;
+	characteristics->output = output;
+	characteristics->out = out;
+	characteristics->icpll = icpll;
+	return characteristics;
+
+out_free_output:
+	kfree(icpll);
+	kfree(out);
+	kfree(output);
+out_free_characteristics:
+	kfree(characteristics);
+	return NULL;
+}
+
+static void __init
+of_at91_clk_pll_setup(struct device_node *np,
+		      const struct clk_pll_layout *layout)
+{
+	u32 id;
+	struct clk *hw;
+	struct regmap *regmap;
+	const char *parent_name;
+	const char *name = np->name;
+	struct clk_pll_characteristics *characteristics;
+
+	if (of_property_read_u32(np, "reg", &id))
+		return;
+
+	parent_name = of_clk_get_parent_name(np, 0);
+
+	of_property_read_string(np, "clock-output-names", &name);
+
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	characteristics = of_at91_clk_pll_get_characteristics(np);
+	if (!characteristics)
+		return;
+
+	hw = at91_clk_register_pll(regmap, name, parent_name, id, layout,
+				   characteristics);
+	if (IS_ERR(hw))
+		goto out_free_characteristics;
+
+	of_clk_add_provider(np, of_clk_src_simple_get, hw);
+	return;
+
+out_free_characteristics:
+	kfree(characteristics);
+}
+
+static void __init of_at91rm9200_clk_pll_setup(struct device_node *np)
+{
+	of_at91_clk_pll_setup(np, &at91rm9200_pll_layout);
+}
+CLK_OF_DECLARE(at91rm9200_clk_pll, "atmel,at91rm9200-clk-pll",
+	       of_at91rm9200_clk_pll_setup);
+
+static void __init of_at91sam9g45_clk_pll_setup(struct device_node *np)
+{
+	of_at91_clk_pll_setup(np, &at91sam9g45_pll_layout);
+}
+CLK_OF_DECLARE(at91sam9g45_clk_pll, "atmel,at91sam9g45-clk-pll",
+	       of_at91sam9g45_clk_pll_setup);
+
+static void __init of_at91sam9g20_clk_pllb_setup(struct device_node *np)
+{
+	of_at91_clk_pll_setup(np, &at91sam9g20_pllb_layout);
+}
+CLK_OF_DECLARE(at91sam9g20_clk_pllb, "atmel,at91sam9g20-clk-pllb",
+	       of_at91sam9g20_clk_pllb_setup);
+
+static void __init of_sama5d3_clk_pll_setup(struct device_node *np)
+{
+	of_at91_clk_pll_setup(np, &sama5d3_pll_layout);
+}
+CLK_OF_DECLARE(sama5d3_clk_pll, "atmel,sama5d3-clk-pll",
+	       of_sama5d3_clk_pll_setup);
+
+static void __init
+of_at91sam9x5_clk_plldiv_setup(struct device_node *np)
+{
+	struct clk *hw;
+	const char *parent_name;
+	const char *name = np->name;
+	struct regmap *regmap;
+
+	parent_name = of_clk_get_parent_name(np, 0);
+
+	of_property_read_string(np, "clock-output-names", &name);
+
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	hw = at91_clk_register_plldiv(regmap, name, parent_name);
+	if (IS_ERR(hw))
+		return;
+
+	of_clk_add_provider(np, of_clk_src_simple_get, hw);
+}
+CLK_OF_DECLARE(at91sam9x5_clk_plldiv, "atmel,at91sam9x5-clk-plldiv",
+	       of_at91sam9x5_clk_plldiv_setup);
+
+static void __init
+of_at91_clk_prog_setup(struct device_node *np,
+		       const struct clk_programmable_layout *layout)
+{
+	int num;
+	u32 id;
+	struct clk *hw;
+	unsigned int num_parents;
+	const char *parent_names[PROG_SOURCE_MAX];
+	const char *name;
+	struct device_node *progclknp;
+	struct regmap *regmap;
+
+	num_parents = of_clk_get_parent_count(np);
+	if (num_parents == 0 || num_parents > PROG_SOURCE_MAX)
+		return;
+
+	of_clk_parent_fill(np, parent_names, num_parents);
+
+	num = of_get_child_count(np);
+	if (!num || num > (PROG_ID_MAX + 1))
+		return;
+
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	for_each_child_of_node(np, progclknp) {
+		if (of_property_read_u32(progclknp, "reg", &id))
+			continue;
+
+		if (of_property_read_string(np, "clock-output-names", &name))
+			name = progclknp->name;
+
+		hw = at91_clk_register_programmable(regmap, name,
+						    parent_names, num_parents,
+						    id, layout);
+		if (IS_ERR(hw))
+			continue;
+
+		of_clk_add_provider(progclknp, of_clk_src_simple_get, hw);
+	}
+}
+
+static void __init of_at91rm9200_clk_prog_setup(struct device_node *np)
+{
+	of_at91_clk_prog_setup(np, &at91rm9200_programmable_layout);
+}
+CLK_OF_DECLARE(at91rm9200_clk_prog, "atmel,at91rm9200-clk-programmable",
+	       of_at91rm9200_clk_prog_setup);
+
+static void __init of_at91sam9g45_clk_prog_setup(struct device_node *np)
+{
+	of_at91_clk_prog_setup(np, &at91sam9g45_programmable_layout);
+}
+CLK_OF_DECLARE(at91sam9g45_clk_prog, "atmel,at91sam9g45-clk-programmable",
+	       of_at91sam9g45_clk_prog_setup);
+
+static void __init of_at91sam9x5_clk_prog_setup(struct device_node *np)
+{
+	of_at91_clk_prog_setup(np, &at91sam9x5_programmable_layout);
+}
+CLK_OF_DECLARE(at91sam9x5_clk_prog, "atmel,at91sam9x5-clk-programmable",
+	       of_at91sam9x5_clk_prog_setup);
+
+static void __init of_at91sam9260_clk_slow_setup(struct device_node *np)
+{
+	struct clk *hw;
+	const char *parent_names[2];
+	unsigned int num_parents;
+	const char *name = np->name;
+	struct regmap *regmap;
+
+	num_parents = of_clk_get_parent_count(np);
+	if (num_parents != 2)
+		return;
+
+	of_clk_parent_fill(np, parent_names, num_parents);
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	of_property_read_string(np, "clock-output-names", &name);
+
+	hw = at91_clk_register_sam9260_slow(regmap, name, parent_names,
+					    num_parents);
+	if (IS_ERR(hw))
+		return;
+
+	of_clk_add_provider(np, of_clk_src_simple_get, hw);
+}
+CLK_OF_DECLARE(at91sam9260_clk_slow, "atmel,at91sam9260-clk-slow",
+	       of_at91sam9260_clk_slow_setup);
+
+#ifdef CONFIG_HAVE_AT91_SMD
+#define SMD_SOURCE_MAX		2
+
+static void __init of_at91sam9x5_clk_smd_setup(struct device_node *np)
+{
+	struct clk *hw;
+	unsigned int num_parents;
+	const char *parent_names[SMD_SOURCE_MAX];
+	const char *name = np->name;
+	struct regmap *regmap;
+
+	num_parents = of_clk_get_parent_count(np);
+	if (num_parents == 0 || num_parents > SMD_SOURCE_MAX)
+		return;
+
+	of_clk_parent_fill(np, parent_names, num_parents);
+
+	of_property_read_string(np, "clock-output-names", &name);
+
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	hw = at91sam9x5_clk_register_smd(regmap, name, parent_names,
+					 num_parents);
+	if (IS_ERR(hw))
+		return;
+
+	of_clk_add_provider(np, of_clk_src_simple_get, hw);
+}
+CLK_OF_DECLARE(at91sam9x5_clk_smd, "atmel,at91sam9x5-clk-smd",
+	       of_at91sam9x5_clk_smd_setup);
+#endif /* CONFIG_HAVE_AT91_SMD */
+
+static void __init of_at91rm9200_clk_sys_setup(struct device_node *np)
+{
+	int num;
+	u32 id;
+	struct clk *hw;
+	const char *name;
+	struct device_node *sysclknp;
+	const char *parent_name;
+	struct regmap *regmap;
+
+	num = of_get_child_count(np);
+	if (num > (SYSTEM_MAX_ID + 1))
+		return;
+
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	for_each_child_of_node(np, sysclknp) {
+		if (of_property_read_u32(sysclknp, "reg", &id))
+			continue;
+
+		if (of_property_read_string(np, "clock-output-names", &name))
+			name = sysclknp->name;
+
+		parent_name = of_clk_get_parent_name(sysclknp, 0);
+
+		hw = at91_clk_register_system(regmap, name, parent_name, id);
+		if (IS_ERR(hw))
+			continue;
+
+		of_clk_add_provider(sysclknp, of_clk_src_simple_get, hw);
+	}
+}
+CLK_OF_DECLARE(at91rm9200_clk_sys, "atmel,at91rm9200-clk-system",
+	       of_at91rm9200_clk_sys_setup);
+
+#ifdef CONFIG_HAVE_AT91_USB_CLK
+#define USB_SOURCE_MAX		2
+
+static void __init of_at91sam9x5_clk_usb_setup(struct device_node *np)
+{
+	struct clk *hw;
+	unsigned int num_parents;
+	const char *parent_names[USB_SOURCE_MAX];
+	const char *name = np->name;
+	struct regmap *regmap;
+
+	num_parents = of_clk_get_parent_count(np);
+	if (num_parents == 0 || num_parents > USB_SOURCE_MAX)
+		return;
+
+	of_clk_parent_fill(np, parent_names, num_parents);
+
+	of_property_read_string(np, "clock-output-names", &name);
+
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	hw = at91sam9x5_clk_register_usb(regmap, name, parent_names,
+					 num_parents);
+	if (IS_ERR(hw))
+		return;
+
+	of_clk_add_provider(np, of_clk_src_simple_get, hw);
+}
+CLK_OF_DECLARE(at91sam9x5_clk_usb, "atmel,at91sam9x5-clk-usb",
+	       of_at91sam9x5_clk_usb_setup);
+
+static void __init of_at91sam9n12_clk_usb_setup(struct device_node *np)
+{
+	struct clk *hw;
+	const char *parent_name;
+	const char *name = np->name;
+	struct regmap *regmap;
+
+	parent_name = of_clk_get_parent_name(np, 0);
+	if (!parent_name)
+		return;
+
+	of_property_read_string(np, "clock-output-names", &name);
+
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+
+	hw = at91sam9n12_clk_register_usb(regmap, name, parent_name);
+	if (IS_ERR(hw))
+		return;
+
+	of_clk_add_provider(np, of_clk_src_simple_get, hw);
+}
+CLK_OF_DECLARE(at91sam9n12_clk_usb, "atmel,at91sam9n12-clk-usb",
+	       of_at91sam9n12_clk_usb_setup);
+
+static void __init of_at91rm9200_clk_usb_setup(struct device_node *np)
+{
+	struct clk *hw;
+	const char *parent_name;
+	const char *name = np->name;
+	u32 divisors[4] = {0, 0, 0, 0};
+	struct regmap *regmap;
+
+	parent_name = of_clk_get_parent_name(np, 0);
+	if (!parent_name)
+		return;
+
+	of_property_read_u32_array(np, "atmel,clk-divisors", divisors, 4);
+	if (!divisors[0])
+		return;
+
+	of_property_read_string(np, "clock-output-names", &name);
+
+	regmap = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap))
+		return;
+	hw = at91rm9200_clk_register_usb(regmap, name, parent_name, divisors);
+	if (IS_ERR(hw))
+		return;
+
+	of_clk_add_provider(np, of_clk_src_simple_get, hw);
+}
+CLK_OF_DECLARE(at91rm9200_clk_usb, "atmel,at91rm9200-clk-usb",
+	       of_at91rm9200_clk_usb_setup);
+#endif /* CONFIG_HAVE_AT91_USB_CLK */
+
+#ifdef CONFIG_HAVE_AT91_UTMI
+static void __init of_at91sam9x5_clk_utmi_setup(struct device_node *np)
+{
+	struct clk *hw;
+	const char *parent_name;
+	const char *name = np->name;
+	struct regmap *regmap_pmc, *regmap_sfr;
+
+	parent_name = of_clk_get_parent_name(np, 0);
+
+	of_property_read_string(np, "clock-output-names", &name);
+
+	regmap_pmc = syscon_node_to_regmap(of_get_parent(np));
+	if (IS_ERR(regmap_pmc))
+		return;
+
+	/*
+	 * If the device supports different mainck rates, this value has to be
+	 * set in the UTMI Clock Trimming register.
+	 * - 9x5: mainck supports several rates but it is indicated that a
+	 *   12 MHz is needed in case of USB.
+	 * - sama5d3 and sama5d2: mainck supports several rates. Configuring
+	 *   the FREQ field of the UTMI Clock Trimming register is mandatory.
+	 * - sama5d4: mainck is at 12 MHz.
+	 *
+	 * We only need to retrieve sama5d3 or sama5d2 sfr regmap.
+	 */
+	regmap_sfr = syscon_regmap_lookup_by_compatible("atmel,sama5d3-sfr");
+	if (IS_ERR(regmap_sfr)) {
+		regmap_sfr = syscon_regmap_lookup_by_compatible("atmel,sama5d2-sfr");
+		if (IS_ERR(regmap_sfr))
+			regmap_sfr = NULL;
+	}
+
+	hw = at91_clk_register_utmi(regmap_pmc, regmap_sfr, name, parent_name);
+	if (IS_ERR(hw))
+		return;
+
+	of_clk_add_provider(np, of_clk_src_simple_get, hw);
+}
+CLK_OF_DECLARE(at91sam9x5_clk_utmi, "atmel,at91sam9x5-clk-utmi",
+	       of_at91sam9x5_clk_utmi_setup);
+#endif /* CONFIG_HAVE_AT91_UTMI */
diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c
index d156d50ca8..aa73d61c5e 100644
--- a/drivers/clk/at91/pmc.c
+++ b/drivers/clk/at91/pmc.c
@@ -15,8 +15,13 @@
 #include <mfd/syscon.h>
 #include <regmap.h>
 
+#include <dt-bindings/clock/at91.h>
+
 #include "pmc.h"
 
+#define PMC_MAX_IDS 128
+#define PMC_MAX_PCKS 8
+
 int of_at91_get_clk_range(struct device_node *np, const char *propname,
 			  struct clk_range *range)
 {
@@ -39,3 +44,246 @@ int of_at91_get_clk_range(struct device_node *np, const char *propname,
 	return 0;
 }
 EXPORT_SYMBOL_GPL(of_at91_get_clk_range);
+
+struct clk *of_clk_hw_pmc_get(struct of_phandle_args *clkspec, void *data)
+{
+	unsigned int type = clkspec->args[0];
+	unsigned int idx = clkspec->args[1];
+	struct pmc_data *pmc_data = data;
+
+	switch (type) {
+	case PMC_TYPE_CORE:
+		if (idx < pmc_data->ncore)
+			return pmc_data->chws[idx];
+		break;
+	case PMC_TYPE_SYSTEM:
+		if (idx < pmc_data->nsystem)
+			return pmc_data->shws[idx];
+		break;
+	case PMC_TYPE_PERIPHERAL:
+		if (idx < pmc_data->nperiph)
+			return pmc_data->phws[idx];
+		break;
+	case PMC_TYPE_GCK:
+		if (idx < pmc_data->ngck)
+			return pmc_data->ghws[idx];
+		break;
+	default:
+		break;
+	}
+
+	pr_err("%s: invalid type (%u) or index (%u)\n", __func__, type, idx);
+
+	return ERR_PTR(-EINVAL);
+}
+
+void pmc_data_free(struct pmc_data *pmc_data)
+{
+	kfree(pmc_data->chws);
+	kfree(pmc_data->shws);
+	kfree(pmc_data->phws);
+	kfree(pmc_data->ghws);
+}
+
+struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem,
+				   unsigned int nperiph, unsigned int ngck)
+{
+	struct pmc_data *pmc_data = kzalloc(sizeof(*pmc_data), GFP_KERNEL);
+
+	if (!pmc_data)
+		return NULL;
+
+	pmc_data->ncore = ncore;
+	pmc_data->chws = kcalloc(ncore, sizeof(struct clk_hw *), GFP_KERNEL);
+	if (!pmc_data->chws)
+		goto err;
+
+	pmc_data->nsystem = nsystem;
+	pmc_data->shws = kcalloc(nsystem, sizeof(struct clk_hw *), GFP_KERNEL);
+	if (!pmc_data->shws)
+		goto err;
+
+	pmc_data->nperiph = nperiph;
+	pmc_data->phws = kcalloc(nperiph, sizeof(struct clk_hw *), GFP_KERNEL);
+	if (!pmc_data->phws)
+		goto err;
+
+	pmc_data->ngck = ngck;
+	pmc_data->ghws = kcalloc(ngck, sizeof(struct clk_hw *), GFP_KERNEL);
+	if (!pmc_data->ghws)
+		goto err;
+
+	return pmc_data;
+
+err:
+	pmc_data_free(pmc_data);
+
+	return NULL;
+}
+
+#ifdef CONFIG_PM
+static struct regmap *pmcreg;
+
+static u8 registered_ids[PMC_MAX_IDS];
+static u8 registered_pcks[PMC_MAX_PCKS];
+
+static struct
+{
+	u32 scsr;
+	u32 pcsr0;
+	u32 uckr;
+	u32 mor;
+	u32 mcfr;
+	u32 pllar;
+	u32 mckr;
+	u32 usb;
+	u32 imr;
+	u32 pcsr1;
+	u32 pcr[PMC_MAX_IDS];
+	u32 audio_pll0;
+	u32 audio_pll1;
+	u32 pckr[PMC_MAX_PCKS];
+} pmc_cache;
+
+/*
+ * As Peripheral ID 0 is invalid on AT91 chips, the identifier is stored
+ * without alteration in the table, and 0 is for unused clocks.
+ */
+void pmc_register_id(u8 id)
+{
+	int i;
+
+	for (i = 0; i < PMC_MAX_IDS; i++) {
+		if (registered_ids[i] == 0) {
+			registered_ids[i] = id;
+			break;
+		}
+		if (registered_ids[i] == id)
+			break;
+	}
+}
+
+/*
+ * As Programmable Clock 0 is valid on AT91 chips, there is an offset
+ * of 1 between the stored value and the real clock ID.
+ */
+void pmc_register_pck(u8 pck)
+{
+	int i;
+
+	for (i = 0; i < PMC_MAX_PCKS; i++) {
+		if (registered_pcks[i] == 0) {
+			registered_pcks[i] = pck + 1;
+			break;
+		}
+		if (registered_pcks[i] == (pck + 1))
+			break;
+	}
+}
+
+static int pmc_suspend(void)
+{
+	int i;
+	u8 num;
+
+	regmap_read(pmcreg, AT91_PMC_SCSR, &pmc_cache.scsr);
+	regmap_read(pmcreg, AT91_PMC_PCSR, &pmc_cache.pcsr0);
+	regmap_read(pmcreg, AT91_CKGR_UCKR, &pmc_cache.uckr);
+	regmap_read(pmcreg, AT91_CKGR_MOR, &pmc_cache.mor);
+	regmap_read(pmcreg, AT91_CKGR_MCFR, &pmc_cache.mcfr);
+	regmap_read(pmcreg, AT91_CKGR_PLLAR, &pmc_cache.pllar);
+	regmap_read(pmcreg, AT91_PMC_MCKR, &pmc_cache.mckr);
+	regmap_read(pmcreg, AT91_PMC_USB, &pmc_cache.usb);
+	regmap_read(pmcreg, AT91_PMC_IMR, &pmc_cache.imr);
+	regmap_read(pmcreg, AT91_PMC_PCSR1, &pmc_cache.pcsr1);
+
+	for (i = 0; registered_ids[i]; i++) {
+		regmap_write(pmcreg, AT91_PMC_PCR,
+			     (registered_ids[i] & AT91_PMC_PCR_PID_MASK));
+		regmap_read(pmcreg, AT91_PMC_PCR,
+			    &pmc_cache.pcr[registered_ids[i]]);
+	}
+	for (i = 0; registered_pcks[i]; i++) {
+		num = registered_pcks[i] - 1;
+		regmap_read(pmcreg, AT91_PMC_PCKR(num), &pmc_cache.pckr[num]);
+	}
+
+	return 0;
+}
+
+static bool pmc_ready(unsigned int mask)
+{
+	unsigned int status;
+
+	regmap_read(pmcreg, AT91_PMC_SR, &status);
+
+	return ((status & mask) == mask) ? 1 : 0;
+}
+
+static void pmc_resume(void)
+{
+	int i;
+	u8 num;
+	u32 tmp;
+	u32 mask = AT91_PMC_MCKRDY | AT91_PMC_LOCKA;
+
+	regmap_read(pmcreg, AT91_PMC_MCKR, &tmp);
+	if (pmc_cache.mckr != tmp)
+		pr_warn("MCKR was not configured properly by the firmware\n");
+	regmap_read(pmcreg, AT91_CKGR_PLLAR, &tmp);
+	if (pmc_cache.pllar != tmp)
+		pr_warn("PLLAR was not configured properly by the firmware\n");
+
+	regmap_write(pmcreg, AT91_PMC_SCER, pmc_cache.scsr);
+	regmap_write(pmcreg, AT91_PMC_PCER, pmc_cache.pcsr0);
+	regmap_write(pmcreg, AT91_CKGR_UCKR, pmc_cache.uckr);
+	regmap_write(pmcreg, AT91_CKGR_MOR, pmc_cache.mor);
+	regmap_write(pmcreg, AT91_CKGR_MCFR, pmc_cache.mcfr);
+	regmap_write(pmcreg, AT91_PMC_USB, pmc_cache.usb);
+	regmap_write(pmcreg, AT91_PMC_IMR, pmc_cache.imr);
+	regmap_write(pmcreg, AT91_PMC_PCER1, pmc_cache.pcsr1);
+
+	for (i = 0; registered_ids[i]; i++) {
+		regmap_write(pmcreg, AT91_PMC_PCR,
+			     pmc_cache.pcr[registered_ids[i]] |
+			     AT91_PMC_PCR_CMD);
+	}
+	for (i = 0; registered_pcks[i]; i++) {
+		num = registered_pcks[i] - 1;
+		regmap_write(pmcreg, AT91_PMC_PCKR(num), pmc_cache.pckr[num]);
+	}
+
+	if (pmc_cache.uckr & AT91_PMC_UPLLEN)
+		mask |= AT91_PMC_LOCKU;
+
+	while (!pmc_ready(mask))
+		cpu_relax();
+}
+
+static struct syscore_ops pmc_syscore_ops = {
+	.suspend = pmc_suspend,
+	.resume = pmc_resume,
+};
+
+static const struct of_device_id sama5d2_pmc_dt_ids[] = {
+	{ .compatible = "atmel,sama5d2-pmc" },
+	{ /* sentinel */ }
+};
+
+static int __init pmc_register_ops(void)
+{
+	struct device_node *np;
+
+	np = of_find_matching_node(NULL, sama5d2_pmc_dt_ids);
+
+	pmcreg = syscon_node_to_regmap(np);
+	if (IS_ERR(pmcreg))
+		return PTR_ERR(pmcreg);
+
+	register_syscore_ops(&pmc_syscore_ops);
+
+	return 0;
+}
+/* This has to happen before arch_initcall because of the tcb_clksrc driver */
+postcore_initcall(pmc_register_ops);
+#endif
diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h
index c6c14a79a4..529498308f 100644
--- a/drivers/clk/at91/pmc.h
+++ b/drivers/clk/at91/pmc.h
@@ -13,6 +13,19 @@
 #define __PMC_H_
 
 #include <io.h>
+#include <linux/spinlock.h>
+#include <printk.h>
+
+struct pmc_data {
+	unsigned int ncore;
+	struct clk **chws;
+	unsigned int nsystem;
+	struct clk **shws;
+	unsigned int nperiph;
+	struct clk **phws;
+	unsigned int ngck;
+	struct clk **ghws;
+};
 
 struct clk_range {
 	unsigned long min;
@@ -21,7 +34,163 @@ struct clk_range {
 
 #define CLK_RANGE(MIN, MAX) {.min = MIN, .max = MAX,}
 
+struct clk_master_layout {
+	u32 mask;
+	u8 pres_shift;
+};
+
+extern const struct clk_master_layout at91rm9200_master_layout;
+extern const struct clk_master_layout at91sam9x5_master_layout;
+
+struct clk_master_characteristics {
+	struct clk_range output;
+	u32 divisors[4];
+	u8 have_div3_pres;
+};
+
+struct clk_pll_layout {
+	u32 pllr_mask;
+	u16 mul_mask;
+	u8 mul_shift;
+};
+
+extern const struct clk_pll_layout at91rm9200_pll_layout;
+extern const struct clk_pll_layout at91sam9g45_pll_layout;
+extern const struct clk_pll_layout at91sam9g20_pllb_layout;
+extern const struct clk_pll_layout sama5d3_pll_layout;
+
+struct clk_pll_characteristics {
+	struct clk_range input;
+	int num_output;
+	struct clk_range *output;
+	u16 *icpll;
+	u8 *out;
+};
+
+struct clk_programmable_layout {
+	u8 pres_shift;
+	u8 css_mask;
+	u8 have_slck_mck;
+};
+
+extern const struct clk_programmable_layout at91rm9200_programmable_layout;
+extern const struct clk_programmable_layout at91sam9g45_programmable_layout;
+extern const struct clk_programmable_layout at91sam9x5_programmable_layout;
+
+#define ndck(a, s) (a[s - 1].id + 1)
+#define nck(a) (a[ARRAY_SIZE(a) - 1].id + 1)
+struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem,
+				   unsigned int nperiph, unsigned int ngck);
+void pmc_data_free(struct pmc_data *pmc_data);
+
 int of_at91_get_clk_range(struct device_node *np, const char *propname,
 			  struct clk_range *range);
 
+struct clk *of_clk_hw_pmc_get(struct of_phandle_args *clkspec, void *data);
+
+struct clk *
+at91_clk_register_audio_pll_frac(struct regmap *regmap, const char *name,
+				 const char *parent_name);
+
+struct clk *
+at91_clk_register_audio_pll_pad(struct regmap *regmap, const char *name,
+				const char *parent_name);
+
+struct clk *
+at91_clk_register_audio_pll_pmc(struct regmap *regmap, const char *name,
+				const char *parent_name);
+
+struct clk *
+at91_clk_register_generated(struct regmap *regmap,
+			    const char *name, const char **parent_names,
+			    u8 num_parents, u8 id, bool pll_audio,
+			    const struct clk_range *range);
+
+struct clk *
+at91_clk_register_h32mx(struct regmap *regmap, const char *name,
+			const char *parent_name);
+
+struct clk *
+at91_clk_i2s_mux_register(struct regmap *regmap, const char *name,
+			  const char * const *parent_names,
+			  unsigned int num_parents, u8 bus_id);
+
+struct clk *
+at91_clk_register_main_rc_osc(struct regmap *regmap, const char *name,
+			      u32 frequency, u32 accuracy);
+struct clk *
+at91_clk_register_main_osc(struct regmap *regmap, const char *name,
+			   const char *parent_name, bool bypass);
+struct clk *
+at91_clk_register_rm9200_main(struct regmap *regmap,
+			      const char *name,
+			      const char *parent_name);
+struct clk *
+at91_clk_register_sam9x5_main(struct regmap *regmap, const char *name,
+			      const char **parent_names, int num_parents);
+
+struct clk *
+at91_clk_register_master(struct regmap *regmap, const char *name,
+			 int num_parents, const char **parent_names,
+			 const struct clk_master_layout *layout,
+			 const struct clk_master_characteristics *characteristics);
+
+struct clk *
+at91_clk_register_peripheral(struct regmap *regmap, const char *name,
+			     const char *parent_name, u32 id);
+struct clk *
+at91_clk_register_sam9x5_peripheral(struct regmap *regmap,
+				    const char *name, const char *parent_name,
+				    u32 id, const struct clk_range *range);
+
+struct clk *
+at91_clk_register_pll(struct regmap *regmap, const char *name,
+		      const char *parent_name, u8 id,
+		      const struct clk_pll_layout *layout,
+		      const struct clk_pll_characteristics *characteristics);
+struct clk *
+at91_clk_register_plldiv(struct regmap *regmap, const char *name,
+			 const char *parent_name);
+
+struct clk *
+at91_clk_register_programmable(struct regmap *regmap, const char *name,
+			       const char **parent_names, u8 num_parents, u8 id,
+			       const struct clk_programmable_layout *layout);
+
+struct clk *
+at91_clk_register_sam9260_slow(struct regmap *regmap,
+			       const char *name,
+			       const char **parent_names,
+			       int num_parents);
+
+struct clk *
+at91sam9x5_clk_register_smd(struct regmap *regmap, const char *name,
+			    const char **parent_names, u8 num_parents);
+
+struct clk *
+at91_clk_register_system(struct regmap *regmap, const char *name,
+			 const char *parent_name, u8 id);
+
+struct clk *
+at91sam9x5_clk_register_usb(struct regmap *regmap, const char *name,
+			    const char **parent_names, u8 num_parents);
+struct clk *
+at91sam9n12_clk_register_usb(struct regmap *regmap, const char *name,
+			     const char *parent_name);
+struct clk *
+at91rm9200_clk_register_usb(struct regmap *regmap, const char *name,
+			    const char *parent_name, const u32 *divisors);
+
+struct clk *
+at91_clk_register_utmi(struct regmap *regmap_pmc, struct regmap *regmap_sfr,
+		       const char *name, const char *parent_name);
+
+#ifdef CONFIG_PM
+void pmc_register_id(u8 id);
+void pmc_register_pck(u8 pck);
+#else
+static inline void pmc_register_id(u8 id) {}
+static inline void pmc_register_pck(u8 pck) {}
+#endif
+
 #endif /* __PMC_H_ */
diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c
new file mode 100644
index 0000000000..dc15f7d9cb
--- /dev/null
+++ b/drivers/clk/at91/sama5d2.c
@@ -0,0 +1,342 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <driver.h>
+#include <regmap.h>
+#include <stdio.h>
+#include <mfd/syscon.h>
+
+#include <linux/clk.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+
+#include <dt-bindings/clock/at91.h>
+
+#include "pmc.h"
+
+static const struct clk_master_characteristics mck_characteristics = {
+	.output = { .min = 124000000, .max = 166000000 },
+	.divisors = { 1, 2, 4, 3 },
+};
+
+static u8 plla_out[] = { 0 };
+
+static u16 plla_icpll[] = { 0 };
+
+static struct clk_range plla_outputs[] = {
+	{ .min = 600000000, .max = 1200000000 },
+};
+
+static const struct clk_pll_characteristics plla_characteristics = {
+	.input = { .min = 12000000, .max = 12000000 },
+	.num_output = ARRAY_SIZE(plla_outputs),
+	.output = plla_outputs,
+	.icpll = plla_icpll,
+	.out = plla_out,
+};
+
+static const struct {
+	char *n;
+	char *p;
+	u8 id;
+} sama5d2_systemck[] = {
+	{ .n = "ddrck", .p = "masterck", .id = 2 },
+	{ .n = "lcdck", .p = "masterck", .id = 3 },
+	{ .n = "uhpck", .p = "usbck",    .id = 6 },
+	{ .n = "udpck", .p = "usbck",    .id = 7 },
+	{ .n = "pck0",  .p = "prog0",    .id = 8 },
+	{ .n = "pck1",  .p = "prog1",    .id = 9 },
+	{ .n = "pck2",  .p = "prog2",    .id = 10 },
+	{ .n = "iscck", .p = "masterck", .id = 18 },
+};
+
+static const struct {
+	char *n;
+	u8 id;
+	struct clk_range r;
+} sama5d2_periph32ck[] = {
+	{ .n = "macb0_clk",   .id = 5,  .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "tdes_clk",    .id = 11, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "matrix1_clk", .id = 14, },
+	{ .n = "hsmc_clk",    .id = 17, },
+	{ .n = "pioA_clk",    .id = 18, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "flx0_clk",    .id = 19, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "flx1_clk",    .id = 20, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "flx2_clk",    .id = 21, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "flx3_clk",    .id = 22, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "flx4_clk",    .id = 23, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "uart0_clk",   .id = 24, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "uart1_clk",   .id = 25, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "uart2_clk",   .id = 26, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "uart3_clk",   .id = 27, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "uart4_clk",   .id = 28, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "twi0_clk",    .id = 29, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "twi1_clk",    .id = 30, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "spi0_clk",    .id = 33, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "spi1_clk",    .id = 34, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "tcb0_clk",    .id = 35, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "tcb1_clk",    .id = 36, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "pwm_clk",     .id = 38, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "adc_clk",     .id = 40, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "uhphs_clk",   .id = 41, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "udphs_clk",   .id = 42, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "ssc0_clk",    .id = 43, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "ssc1_clk",    .id = 44, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "trng_clk",    .id = 47, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "pdmic_clk",   .id = 48, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "securam_clk", .id = 51, },
+	{ .n = "i2s0_clk",    .id = 54, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "i2s1_clk",    .id = 55, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "can0_clk",    .id = 56, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "can1_clk",    .id = 57, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "classd_clk",  .id = 59, .r = { .min = 0, .max = 83000000 }, },
+};
+
+static const struct {
+	char *n;
+	u8 id;
+} sama5d2_periphck[] = {
+	{ .n = "dma0_clk",    .id = 6, },
+	{ .n = "dma1_clk",    .id = 7, },
+	{ .n = "aes_clk",     .id = 9, },
+	{ .n = "aesb_clk",    .id = 10, },
+	{ .n = "sha_clk",     .id = 12, },
+	{ .n = "mpddr_clk",   .id = 13, },
+	{ .n = "matrix0_clk", .id = 15, },
+	{ .n = "sdmmc0_hclk", .id = 31, },
+	{ .n = "sdmmc1_hclk", .id = 32, },
+	{ .n = "lcdc_clk",    .id = 45, },
+	{ .n = "isc_clk",     .id = 46, },
+	{ .n = "qspi0_clk",   .id = 52, },
+	{ .n = "qspi1_clk",   .id = 53, },
+};
+
+static const struct {
+	char *n;
+	u8 id;
+	struct clk_range r;
+	bool pll;
+} sama5d2_gck[] = {
+	{ .n = "sdmmc0_gclk", .id = 31, },
+	{ .n = "sdmmc1_gclk", .id = 32, },
+	{ .n = "tcb0_gclk",   .id = 35, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "tcb1_gclk",   .id = 36, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "pwm_gclk",    .id = 38, .r = { .min = 0, .max = 83000000 }, },
+	{ .n = "isc_gclk",    .id = 46, },
+	{ .n = "pdmic_gclk",  .id = 48, },
+	{ .n = "i2s0_gclk",   .id = 54, .pll = true },
+	{ .n = "i2s1_gclk",   .id = 55, .pll = true },
+	{ .n = "can0_gclk",   .id = 56, .r = { .min = 0, .max = 80000000 }, },
+	{ .n = "can1_gclk",   .id = 57, .r = { .min = 0, .max = 80000000 }, },
+	{ .n = "classd_gclk", .id = 59, .r = { .min = 0, .max = 100000000 },
+	  .pll = true },
+};
+
+static void __init sama5d2_pmc_setup(struct device_node *np)
+{
+	struct clk_range range = CLK_RANGE(0, 0);
+	const char *slck_name, *mainxtal_name;
+	struct pmc_data *sama5d2_pmc;
+	const char *parent_names[6];
+	struct regmap *regmap, *regmap_sfr;
+	struct clk *hw;
+	int i;
+	bool bypass;
+
+	i = of_property_match_string(np, "clock-names", "slow_clk");
+	if (i < 0)
+		return;
+
+	slck_name = of_clk_get_parent_name(np, i);
+
+	i = of_property_match_string(np, "clock-names", "main_xtal");
+	if (i < 0)
+		return;
+	mainxtal_name = of_clk_get_parent_name(np, i);
+
+	regmap = syscon_node_to_regmap(np);
+	if (IS_ERR(regmap))
+		return;
+
+	sama5d2_pmc = pmc_data_allocate(PMC_I2S1_MUX + 1,
+					nck(sama5d2_systemck),
+					nck(sama5d2_periph32ck),
+					nck(sama5d2_gck));
+	if (!sama5d2_pmc)
+		return;
+
+	hw = at91_clk_register_main_rc_osc(regmap, "main_rc_osc", 12000000,
+					   100000000);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	bypass = of_property_read_bool(np, "atmel,osc-bypass");
+
+	hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name,
+					bypass);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	parent_names[0] = "main_rc_osc";
+	parent_names[1] = "main_osc";
+	hw = at91_clk_register_sam9x5_main(regmap, "mainck", parent_names, 2);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	sama5d2_pmc->chws[PMC_MAIN] = hw;
+
+	hw = at91_clk_register_pll(regmap, "pllack", "mainck", 0,
+				   &sama5d3_pll_layout, &plla_characteristics);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	hw = at91_clk_register_plldiv(regmap, "plladivck", "pllack");
+	if (IS_ERR(hw))
+		goto err_free;
+
+	hw = at91_clk_register_audio_pll_frac(regmap, "audiopll_fracck",
+					      "mainck");
+	if (IS_ERR(hw))
+		goto err_free;
+
+	hw = at91_clk_register_audio_pll_pad(regmap, "audiopll_padck",
+					     "audiopll_fracck");
+	if (IS_ERR(hw))
+		goto err_free;
+
+	hw = at91_clk_register_audio_pll_pmc(regmap, "audiopll_pmcck",
+					     "audiopll_fracck");
+	if (IS_ERR(hw))
+		goto err_free;
+
+	regmap_sfr = syscon_regmap_lookup_by_compatible("atmel,sama5d2-sfr");
+	if (IS_ERR(regmap_sfr))
+		regmap_sfr = NULL;
+
+	hw = at91_clk_register_utmi(regmap, regmap_sfr, "utmick", "mainck");
+	if (IS_ERR(hw))
+		goto err_free;
+
+	sama5d2_pmc->chws[PMC_UTMI] = hw;
+
+	parent_names[0] = slck_name;
+	parent_names[1] = "mainck";
+	parent_names[2] = "plladivck";
+	parent_names[3] = "utmick";
+	hw = at91_clk_register_master(regmap, "masterck", 4, parent_names,
+				      &at91sam9x5_master_layout,
+				      &mck_characteristics);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	sama5d2_pmc->chws[PMC_MCK] = hw;
+
+	hw = at91_clk_register_h32mx(regmap, "h32mxck", "masterck");
+	if (IS_ERR(hw))
+		goto err_free;
+
+	sama5d2_pmc->chws[PMC_MCK2] = hw;
+
+	parent_names[0] = "plladivck";
+	parent_names[1] = "utmick";
+	hw = at91sam9x5_clk_register_usb(regmap, "usbck", parent_names, 2);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	parent_names[0] = slck_name;
+	parent_names[1] = "mainck";
+	parent_names[2] = "plladivck";
+	parent_names[3] = "utmick";
+	parent_names[4] = "mck";
+	for (i = 0; i < 3; i++) {
+		char *name;
+
+		name = xasprintf("prog%d", i);
+
+		hw = at91_clk_register_programmable(regmap, name,
+						    parent_names, 5, i,
+						    &at91sam9x5_programmable_layout);
+		if (IS_ERR(hw))
+			goto err_free;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(sama5d2_systemck); i++) {
+		hw = at91_clk_register_system(regmap, sama5d2_systemck[i].n,
+					      sama5d2_systemck[i].p,
+					      sama5d2_systemck[i].id);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		sama5d2_pmc->shws[sama5d2_systemck[i].id] = hw;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(sama5d2_periphck); i++) {
+		hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock,
+							 sama5d2_periphck[i].n,
+							 "masterck",
+							 sama5d2_periphck[i].id,
+							 &range);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		sama5d2_pmc->phws[sama5d2_periphck[i].id] = hw;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(sama5d2_periph32ck); i++) {
+		hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock,
+							 sama5d2_periph32ck[i].n,
+							 "h32mxck",
+							 sama5d2_periph32ck[i].id,
+							 &sama5d2_periph32ck[i].r);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		sama5d2_pmc->phws[sama5d2_periph32ck[i].id] = hw;
+	}
+
+	parent_names[0] = slck_name;
+	parent_names[1] = "mainck";
+	parent_names[2] = "plladivck";
+	parent_names[3] = "utmick";
+	parent_names[4] = "mck";
+	parent_names[5] = "audiopll_pmcck";
+	for (i = 0; i < ARRAY_SIZE(sama5d2_gck); i++) {
+		hw = at91_clk_register_generated(regmap, &pmc_pcr_lock,
+						 sama5d2_gck[i].n,
+						 parent_names, 6,
+						 sama5d2_gck[i].id,
+						 sama5d2_gck[i].pll,
+						 &sama5d2_gck[i].r);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		sama5d2_pmc->ghws[sama5d2_gck[i].id] = hw;
+	}
+
+	if (regmap_sfr) {
+		parent_names[0] = "i2s0_clk";
+		parent_names[1] = "i2s0_gclk";
+		hw = at91_clk_i2s_mux_register(regmap_sfr, "i2s0_muxclk",
+					       parent_names, 2, 0);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		sama5d2_pmc->chws[PMC_I2S0_MUX] = hw;
+
+		parent_names[0] = "i2s1_clk";
+		parent_names[1] = "i2s1_gclk";
+		hw = at91_clk_i2s_mux_register(regmap_sfr, "i2s1_muxclk",
+					       parent_names, 2, 1);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		sama5d2_pmc->chws[PMC_I2S1_MUX] = hw;
+	}
+
+	of_clk_add_provider(np, of_clk_hw_pmc_get, sama5d2_pmc);
+
+	return;
+
+err_free:
+	pmc_data_free(sama5d2_pmc);
+}
+CLK_OF_DECLARE_DRIVER(sama5d2_pmc, "atmel,sama5d2-pmc", sama5d2_pmc_setup);
diff --git a/drivers/clk/at91/sama5d4.c b/drivers/clk/at91/sama5d4.c
new file mode 100644
index 0000000000..2fbfca6f85
--- /dev/null
+++ b/drivers/clk/at91/sama5d4.c
@@ -0,0 +1,270 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <driver.h>
+#include <regmap.h>
+#include <stdio.h>
+#include <mfd/syscon.h>
+
+#include <linux/clk.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+
+#include <dt-bindings/clock/at91.h>
+
+#include "pmc.h"
+
+static const struct clk_master_characteristics mck_characteristics = {
+	.output = { .min = 125000000, .max = 200000000 },
+	.divisors = { 1, 2, 4, 3 },
+};
+
+static u8 plla_out[] = { 0 };
+
+static u16 plla_icpll[] = { 0 };
+
+static struct clk_range plla_outputs[] = {
+	{ .min = 600000000, .max = 1200000000 },
+};
+
+static const struct clk_pll_characteristics plla_characteristics = {
+	.input = { .min = 12000000, .max = 12000000 },
+	.num_output = ARRAY_SIZE(plla_outputs),
+	.output = plla_outputs,
+	.icpll = plla_icpll,
+	.out = plla_out,
+};
+
+static const struct {
+	char *n;
+	char *p;
+	u8 id;
+} sama5d4_systemck[] = {
+	{ .n = "ddrck", .p = "masterck", .id = 2 },
+	{ .n = "lcdck", .p = "masterck", .id = 3 },
+	{ .n = "smdck", .p = "smdclk",   .id = 4 },
+	{ .n = "uhpck", .p = "usbck",    .id = 6 },
+	{ .n = "udpck", .p = "usbck",    .id = 7 },
+	{ .n = "pck0",  .p = "prog0",    .id = 8 },
+	{ .n = "pck1",  .p = "prog1",    .id = 9 },
+	{ .n = "pck2",  .p = "prog2",    .id = 10 },
+};
+
+static const struct {
+	char *n;
+	u8 id;
+} sama5d4_periph32ck[] = {
+	{ .n = "pioD_clk", .id = 5 },
+	{ .n = "usart0_clk", .id = 6 },
+	{ .n = "usart1_clk", .id = 7 },
+	{ .n = "icm_clk", .id = 9 },
+	{ .n = "aes_clk", .id = 12 },
+	{ .n = "tdes_clk", .id = 14 },
+	{ .n = "sha_clk", .id = 15 },
+	{ .n = "matrix1_clk", .id = 17 },
+	{ .n = "hsmc_clk", .id = 22 },
+	{ .n = "pioA_clk", .id = 23 },
+	{ .n = "pioB_clk", .id = 24 },
+	{ .n = "pioC_clk", .id = 25 },
+	{ .n = "pioE_clk", .id = 26 },
+	{ .n = "uart0_clk", .id = 27 },
+	{ .n = "uart1_clk", .id = 28 },
+	{ .n = "usart2_clk", .id = 29 },
+	{ .n = "usart3_clk", .id = 30 },
+	{ .n = "usart4_clk", .id = 31 },
+	{ .n = "twi0_clk", .id = 32 },
+	{ .n = "twi1_clk", .id = 33 },
+	{ .n = "twi2_clk", .id = 34 },
+	{ .n = "mci0_clk", .id = 35 },
+	{ .n = "mci1_clk", .id = 36 },
+	{ .n = "spi0_clk", .id = 37 },
+	{ .n = "spi1_clk", .id = 38 },
+	{ .n = "spi2_clk", .id = 39 },
+	{ .n = "tcb0_clk", .id = 40 },
+	{ .n = "tcb1_clk", .id = 41 },
+	{ .n = "tcb2_clk", .id = 42 },
+	{ .n = "pwm_clk", .id = 43 },
+	{ .n = "adc_clk", .id = 44 },
+	{ .n = "dbgu_clk", .id = 45 },
+	{ .n = "uhphs_clk", .id = 46 },
+	{ .n = "udphs_clk", .id = 47 },
+	{ .n = "ssc0_clk", .id = 48 },
+	{ .n = "ssc1_clk", .id = 49 },
+	{ .n = "trng_clk", .id = 53 },
+	{ .n = "macb0_clk", .id = 54 },
+	{ .n = "macb1_clk", .id = 55 },
+	{ .n = "fuse_clk", .id = 57 },
+	{ .n = "securam_clk", .id = 59 },
+	{ .n = "smd_clk", .id = 61 },
+	{ .n = "twi3_clk", .id = 62 },
+	{ .n = "catb_clk", .id = 63 },
+};
+
+static const struct {
+	char *n;
+	u8 id;
+} sama5d4_periphck[] = {
+	{ .n = "dma0_clk", .id = 8 },
+	{ .n = "cpkcc_clk", .id = 10 },
+	{ .n = "aesb_clk", .id = 13 },
+	{ .n = "mpddr_clk", .id = 16 },
+	{ .n = "matrix0_clk", .id = 18 },
+	{ .n = "vdec_clk", .id = 19 },
+	{ .n = "dma1_clk", .id = 50 },
+	{ .n = "lcdc_clk", .id = 51 },
+	{ .n = "isi_clk", .id = 52 },
+};
+
+static void __init sama5d4_pmc_setup(struct device_node *np)
+{
+	struct clk_range range = CLK_RANGE(0, 0);
+	const char *slck_name, *mainxtal_name;
+	struct pmc_data *sama5d4_pmc;
+	const char *parent_names[5];
+	struct regmap *regmap;
+	struct clk *hw;
+	int i;
+	bool bypass;
+
+	i = of_property_match_string(np, "clock-names", "slow_clk");
+	if (i < 0)
+		return;
+
+	slck_name = of_clk_get_parent_name(np, i);
+
+	i = of_property_match_string(np, "clock-names", "main_xtal");
+	if (i < 0)
+		return;
+	mainxtal_name = of_clk_get_parent_name(np, i);
+
+	regmap = syscon_node_to_regmap(np);
+	if (IS_ERR(regmap))
+		return;
+
+	sama5d4_pmc = pmc_data_allocate(PMC_MCK2 + 1,
+					nck(sama5d4_systemck),
+					nck(sama5d4_periph32ck), 0);
+	if (!sama5d4_pmc)
+		return;
+
+	hw = at91_clk_register_main_rc_osc(regmap, "main_rc_osc", 12000000,
+					   100000000);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	bypass = of_property_read_bool(np, "atmel,osc-bypass");
+
+	hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name,
+					bypass);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	parent_names[0] = "main_rc_osc";
+	parent_names[1] = "main_osc";
+	hw = at91_clk_register_sam9x5_main(regmap, "mainck", parent_names, 2);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	hw = at91_clk_register_pll(regmap, "pllack", "mainck", 0,
+				   &sama5d3_pll_layout, &plla_characteristics);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	hw = at91_clk_register_plldiv(regmap, "plladivck", "pllack");
+	if (IS_ERR(hw))
+		goto err_free;
+
+	hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck");
+	if (IS_ERR(hw))
+		goto err_free;
+
+	sama5d4_pmc->chws[PMC_UTMI] = hw;
+
+	parent_names[0] = slck_name;
+	parent_names[1] = "mainck";
+	parent_names[2] = "plladivck";
+	parent_names[3] = "utmick";
+	hw = at91_clk_register_master(regmap, "masterck", 4, parent_names,
+				      &at91sam9x5_master_layout,
+				      &mck_characteristics);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	sama5d4_pmc->chws[PMC_MCK] = hw;
+
+	hw = at91_clk_register_h32mx(regmap, "h32mxck", "masterck");
+	if (IS_ERR(hw))
+		goto err_free;
+
+	sama5d4_pmc->chws[PMC_MCK2] = hw;
+
+	parent_names[0] = "plladivck";
+	parent_names[1] = "utmick";
+	hw = at91sam9x5_clk_register_usb(regmap, "usbck", parent_names, 2);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	parent_names[0] = "plladivck";
+	parent_names[1] = "utmick";
+	hw = at91sam9x5_clk_register_smd(regmap, "smdclk", parent_names, 2);
+	if (IS_ERR(hw))
+		goto err_free;
+
+	parent_names[0] = slck_name;
+	parent_names[1] = "mainck";
+	parent_names[2] = "plladivck";
+	parent_names[3] = "utmick";
+	parent_names[4] = "mck";
+	for (i = 0; i < 3; i++) {
+		char *name;
+
+		name = xasprintf("prog%d", i);
+
+		hw = at91_clk_register_programmable(regmap, name,
+						    parent_names, 5, i,
+						    &at91sam9x5_programmable_layout);
+		if (IS_ERR(hw))
+			goto err_free;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(sama5d4_systemck); i++) {
+		hw = at91_clk_register_system(regmap, sama5d4_systemck[i].n,
+					      sama5d4_systemck[i].p,
+					      sama5d4_systemck[i].id);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		sama5d4_pmc->shws[sama5d4_systemck[i].id] = hw;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(sama5d4_periphck); i++) {
+		hw = at91_clk_register_sam9x5_peripheral(regmap,
+							 sama5d4_periphck[i].n,
+							 "masterck",
+							 sama5d4_periphck[i].id,
+							 &range);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		sama5d4_pmc->phws[sama5d4_periphck[i].id] = hw;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(sama5d4_periph32ck); i++) {
+		hw = at91_clk_register_sam9x5_peripheral(regmap,
+							 sama5d4_periph32ck[i].n,
+							 "h32mxck",
+							 sama5d4_periph32ck[i].id,
+							 &range);
+		if (IS_ERR(hw))
+			goto err_free;
+
+		sama5d4_pmc->phws[sama5d4_periph32ck[i].id] = hw;
+	}
+
+	of_clk_add_provider(np, of_clk_hw_pmc_get, sama5d4_pmc);
+
+	return;
+
+err_free:
+	pmc_data_free(sama5d4_pmc);
+}
+CLK_OF_DECLARE_DRIVER(sama5d4_pmc, "atmel,sama5d4-pmc", sama5d4_pmc_setup);
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 7b04663d2e..b0502c3036 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -69,7 +69,6 @@ config CLOCKSOURCE_ROCKCHIP
 
 config CLOCKSOURCE_ATMEL_PIT
        bool
-       depends on SOC_AT91SAM9 || SOC_SAMA5
 
 config CLOCKSOURCE_ARMV8_TIMER
 	bool
diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c
index 30ed65f737..b1ff1b1eac 100644
--- a/drivers/mfd/syscon.c
+++ b/drivers/mfd/syscon.c
@@ -160,6 +160,20 @@ struct regmap *syscon_node_to_regmap(struct device_node *np)
 	return syscon->regmap;
 }
 
+struct regmap *syscon_regmap_lookup_by_compatible(const char *s)
+{
+	struct device_node *syscon_np;
+	struct regmap *regmap;
+
+	syscon_np = of_find_compatible_node(NULL, NULL, s);
+	if (!syscon_np)
+		return ERR_PTR(-ENODEV);
+
+	regmap = syscon_node_to_regmap(syscon_np);
+
+	return regmap;
+}
+
 static int syscon_probe(struct device_d *dev)
 {
 	struct syscon *syscon;
diff --git a/include/linux/clk.h b/include/linux/clk.h
index 978a0a8a9a..20498574f8 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -385,6 +385,11 @@ int of_clk_add_provider(struct device_node *np,
 			struct clk *(*clk_src_get)(struct of_phandle_args *args,
 						   void *data),
 			void *data);
+
+static inline unsigned int clk_get_num_parents(const struct clk *hw)
+{
+	return hw->num_parents;
+}
 #else
 
 
@@ -430,6 +435,8 @@ static inline int of_clk_add_provider(struct device_node *np,
 }
 #endif
 
+#define CLK_OF_DECLARE_DRIVER(name, compat, fn) CLK_OF_DECLARE(name, compat, fn)
+
 struct string_list;
 
 int clk_name_complete(struct string_list *sl, char *instr);
diff --git a/include/mfd/syscon.h b/include/mfd/syscon.h
index 63b893e4ae..902f9fa2f3 100644
--- a/include/mfd/syscon.h
+++ b/include/mfd/syscon.h
@@ -21,6 +21,7 @@ void __iomem *syscon_base_lookup_by_pdevname(const char *s);
 void __iomem *syscon_base_lookup_by_phandle
 	(struct device_node *np, const char *property);
 struct regmap *syscon_node_to_regmap(struct device_node *np);
+struct regmap *syscon_regmap_lookup_by_compatible(const char *s);
 #else
 static inline void __iomem *syscon_base_lookup_by_pdevname(const char *s)
 {
@@ -37,6 +38,10 @@ static inline struct regmap *syscon_node_to_regmap(struct device_node *np)
 {
 	return ERR_PTR(-ENOSYS);
 }
+static inline struct regmap *syscon_regmap_lookup_by_compatible(const char *s)
+{
+	return ERR_PTR(-ENOSYS);
+}
 #endif
 
 #endif
diff --git a/include/soc/at91/atmel-sfr.h b/include/soc/at91/atmel-sfr.h
new file mode 100644
index 0000000000..482337af06
--- /dev/null
+++ b/include/soc/at91/atmel-sfr.h
@@ -0,0 +1,34 @@
+/*
+ * Atmel SFR (Special Function Registers) register offsets and bit definitions.
+ *
+ * Copyright (C) 2016 Atmel
+ *
+ * Author: Ludovic Desroches <ludovic.desroches@atmel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _LINUX_MFD_SYSCON_ATMEL_SFR_H
+#define _LINUX_MFD_SYSCON_ATMEL_SFR_H
+
+#define AT91_SFR_DDRCFG		0x04	/* DDR Configuration Register */
+/* 0x08 ~ 0x0c: Reserved */
+#define AT91_SFR_OHCIICR	0x10	/* OHCI INT Configuration Register */
+#define AT91_SFR_OHCIISR	0x14	/* OHCI INT Status Register */
+#define AT91_SFR_UTMICKTRIM	0x30	/* UTMI Clock Trimming Register */
+#define AT91_SFR_I2SCLKSEL	0x90	/* I2SC Register */
+
+/* Field definitions */
+#define AT91_OHCIICR_SUSPEND_A	BIT(8)
+#define AT91_OHCIICR_SUSPEND_B	BIT(9)
+#define AT91_OHCIICR_SUSPEND_C	BIT(10)
+
+#define AT91_OHCIICR_USB_SUSPEND	(AT91_OHCIICR_SUSPEND_A | \
+					 AT91_OHCIICR_SUSPEND_B | \
+					 AT91_OHCIICR_SUSPEND_C)
+
+#define AT91_UTMICKTRIM_FREQ	GENMASK(1, 0)
+
+#endif /* _LINUX_MFD_SYSCON_ATMEL_SFR_H */