Merge branch 'for-next/rockchip'

14 files changed, 1952 insertions, 54 deletions

diff --git a/drivers/aiodev/Kconfig b/drivers/aiodev/Kconfig
index 88d013aad0..03c688ae61 100644
--- a/drivers/aiodev/Kconfig
+++ b/drivers/aiodev/Kconfig
@@ -50,4 +50,12 @@ config STM32_ADC
 	  Support for ADC on STM32.  Supports simple one-shot readings
 	  rather than continuous sampling with DMA, etc.  ADC channels should be
 	  configured via device tree, using the kernel bindings.
+
+config ROCKCHIP_SARADC
+	tristate "Rockchip SARADC driver"
+	depends on ARCH_RK3568 || COMPILE_TEST
+	depends on OFDEVICE
+	help
+	  Support for Successive Approximation Register (SAR) ADC in Rockchip
+	  SoCs.
 endif
diff --git a/drivers/aiodev/Makefile b/drivers/aiodev/Makefile
index 52652f67b7..1b480f6fa3 100644
--- a/drivers/aiodev/Makefile
+++ b/drivers/aiodev/Makefile
@@ -6,3 +6,4 @@ obj-$(CONFIG_MC13XXX_ADC) += mc13xxx_adc.o
 obj-$(CONFIG_QORIQ_THERMAL) += qoriq_thermal.o
 obj-$(CONFIG_AM335X_ADC) += am335x_adc.o
 obj-$(CONFIG_STM32_ADC) += stm32-adc.o stm32-adc-core.o
+obj-$(CONFIG_ROCKCHIP_SARADC) += rockchip_saradc.o
diff --git a/drivers/aiodev/rockchip_saradc.c b/drivers/aiodev/rockchip_saradc.c
new file mode 100644
index 0000000000..302f73c2c3
--- /dev/null
+++ b/drivers/aiodev/rockchip_saradc.c
@@ -0,0 +1,197 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2021, WolfVision GmbH
+ * Author: Michael Riesch <michael.riesch@wolfvision.net>
+ *
+ * Originally based on the Linux kernel v5.12 drivers/iio/adc/rockchip-saradc.c.
+ */
+
+#include <common.h>
+#include <aiodev.h>
+#include <linux/clk.h>
+#include <regulator.h>
+
+#define SARADC_DATA	       0x00
+
+#define SARADC_CTRL	       0x08
+#define SARADC_CTRL_IRQ_STATUS (1 << 6)
+#define SARADC_CTRL_IRQ_ENABLE (1 << 5)
+#define SARADC_CTRL_POWER_CTRL (1 << 3)
+#define SARADC_CTRL_CHN_MASK   0x07
+
+#define SARADC_DLY_PU_SOC      0x0c
+
+#define SARADC_TIMEOUT_NS      (100 * MSECOND)
+
+struct rockchip_saradc_cfg {
+	unsigned int num_bits;
+	unsigned int num_channels;
+};
+
+struct rockchip_saradc_data {
+	const struct rockchip_saradc_cfg *config;
+	void __iomem *base;
+	struct regulator *vref;
+	unsigned int ref_voltage_mv;
+	struct clk *cclk;
+	struct clk *pclk;
+	struct aiodevice aiodev;
+	struct aiochannel *channels;
+};
+
+static inline void rockchip_saradc_reg_wr(struct rockchip_saradc_data *data,
+					  u32 value, u32 reg)
+{
+	writel(value, data->base + reg);
+}
+
+static inline u32 rockchip_saradc_reg_rd(struct rockchip_saradc_data *data,
+					 u32 reg)
+{
+	return readl(data->base + reg);
+}
+
+static int rockchip_saradc_read(struct aiochannel *chan, int *val)
+{
+	struct rockchip_saradc_data *data;
+	u32 value = 0;
+	u32 control = 0;
+	u32 mask;
+	u64 start;
+
+	data = container_of(chan->aiodev, struct rockchip_saradc_data, aiodev);
+
+	rockchip_saradc_reg_wr(data, 8, SARADC_DLY_PU_SOC);
+	rockchip_saradc_reg_wr(data,
+			       (chan->index & SARADC_CTRL_CHN_MASK) |
+				       SARADC_CTRL_IRQ_ENABLE |
+				       SARADC_CTRL_POWER_CTRL,
+			       SARADC_CTRL);
+
+	start = get_time_ns();
+	do {
+		control = rockchip_saradc_reg_rd(data, SARADC_CTRL);
+
+		if (is_timeout(start, SARADC_TIMEOUT_NS))
+			return -ETIMEDOUT;
+	} while (!(control & SARADC_CTRL_IRQ_STATUS));
+
+	mask = (1 << data->config->num_bits) - 1;
+	value = rockchip_saradc_reg_rd(data, SARADC_DATA) & mask;
+	rockchip_saradc_reg_wr(data, 0, SARADC_CTRL);
+
+	*val = (value * data->ref_voltage_mv) / mask;
+
+	return 0;
+}
+
+static int rockchip_saradc_probe(struct device_d *dev)
+{
+	struct rockchip_saradc_data *data;
+	int i, ret;
+
+	data = xzalloc(sizeof(struct rockchip_saradc_data));
+
+	data->config = device_get_match_data(dev);
+	data->aiodev.hwdev = dev;
+	data->aiodev.read = rockchip_saradc_read;
+
+	data->base = dev_request_mem_region(dev, 0);
+	if (IS_ERR(data->base)) {
+		ret = PTR_ERR(data->base);
+		goto fail_data;
+	}
+
+	data->vref = regulator_get(dev, "vref");
+	if (IS_ERR(data->vref)) {
+		dev_err(dev, "can't get vref-supply: %pe\n", data->vref);
+		ret = PTR_ERR(data->vref);
+		goto fail_data;
+	}
+
+	ret = regulator_enable(data->vref);
+	if (ret < 0) {
+		dev_err(dev, "can't enable vref-supply value: %d\n", ret);
+		goto fail_data;
+	}
+
+	ret = regulator_get_voltage(data->vref);
+	if (ret < 0) {
+		dev_warn(dev, "can't get vref-supply value: %d\n", ret);
+		/* use default value as fallback */
+		ret = 1800000;
+	}
+	data->ref_voltage_mv = ret / 1000;
+
+	data->cclk = clk_get(dev, "saradc");
+	if (IS_ERR(data->cclk)) {
+		dev_err(dev, "can't get converter clock: %pe\n", data->cclk);
+		ret = PTR_ERR(data->cclk);
+		goto fail_data;
+	}
+
+	ret = clk_enable(data->cclk);
+	if (ret < 0) {
+		dev_err(dev, "can't enable converter clock: %pe\n",
+			ERR_PTR(ret));
+		goto fail_data;
+	}
+
+	data->pclk = clk_get(dev, "apb_pclk");
+	if (IS_ERR(data->pclk)) {
+		dev_err(dev, "can't get peripheral clock: %pe\n", data->pclk);
+		ret = PTR_ERR(data->pclk);
+		goto fail_data;
+	}
+
+	ret = clk_enable(data->pclk);
+	if (ret < 0) {
+		dev_err(dev, "can't enable peripheral clk: %pe\n",
+			ERR_PTR(ret));
+		goto fail_data;
+	}
+
+	data->aiodev.num_channels = data->config->num_channels;
+	data->channels =
+		xzalloc(sizeof(*data->channels) * data->aiodev.num_channels);
+	data->aiodev.channels = xmalloc(sizeof(*data->aiodev.channels) *
+					data->aiodev.num_channels);
+	for (i = 0; i < data->aiodev.num_channels; i++) {
+		data->aiodev.channels[i] = &data->channels[i];
+		data->channels[i].unit = "mV";
+	}
+
+	rockchip_saradc_reg_wr(data, 0, SARADC_CTRL);
+
+	ret = aiodevice_register(&data->aiodev);
+	if (ret)
+		goto fail_channels;
+
+	dev_info(dev, "registered as %s\n", dev_name(&data->aiodev.dev));
+	return 0;
+
+fail_channels:
+	kfree(data->channels);
+	kfree(data->aiodev.channels);
+
+fail_data:
+	kfree(data);
+	return ret;
+}
+
+static const struct rockchip_saradc_cfg rk3568_saradc_cfg = {
+	.num_bits = 10,
+	.num_channels = 8,
+};
+
+static const struct of_device_id of_rockchip_saradc_match[] = {
+	{ .compatible = "rockchip,rk3568-saradc", .data = &rk3568_saradc_cfg },
+	{ /* end */ }
+};
+
+static struct driver_d rockchip_saradc_driver = {
+	.name = "rockchip_saradc",
+	.probe = rockchip_saradc_probe,
+	.of_compatible = DRV_OF_COMPAT(of_rockchip_saradc_match),
+};
+device_platform_driver(rockchip_saradc_driver);
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index f9e771e5ea..fff1e21144 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -525,6 +525,28 @@ int clk_parent_set_rate(struct clk_hw *hw, unsigned long rate,
 	return clk_set_rate(clk_get_parent(clk), rate);
 }
 
+int clk_name_set_parent(const char *clkname, const char *clkparentname)
+{
+	struct clk *clk = clk_lookup(clkname);
+	struct clk *parent = clk_lookup(clkparentname);
+
+	if (IS_ERR(clk))
+		return -ENOENT;
+	if (IS_ERR(parent))
+		return -ENOENT;
+	return clk_set_parent(clk, parent);
+}
+
+int clk_name_set_rate(const char *clkname, unsigned long rate)
+{
+	struct clk *clk = clk_lookup(clkname);
+
+	if (IS_ERR(clk))
+		return -ENOENT;
+
+	return clk_set_rate(clk, rate);
+}
+
 #if defined(CONFIG_COMMON_CLK_OF_PROVIDER)
 /**
  * struct of_clk_provider - Clock provider registration structure
diff --git a/drivers/clk/rockchip/clk-rk3568.c b/drivers/clk/rockchip/clk-rk3568.c
index 4605158500..40ab7ee3d7 100644
--- a/drivers/clk/rockchip/clk-rk3568.c
+++ b/drivers/clk/rockchip/clk-rk3568.c
@@ -1619,10 +1619,19 @@ static void __init rk3568_pmu_clk_init(struct device_node *np)
 	rockchip_clk_register_branches(ctx, rk3568_clk_pmu_branches,
 				       ARRAY_SIZE(rk3568_clk_pmu_branches));
 
+	rockchip_register_softrst(np, 1, reg_base + RK3568_PMU_SOFTRST_CON(0),
+				  ROCKCHIP_SOFTRST_HIWORD_MASK);
+
 	rockchip_clk_protect_critical(rk3568_pmucru_critical_clocks,
 				      ARRAY_SIZE(rk3568_pmucru_critical_clocks));
 
 	rockchip_clk_of_add_provider(np, ctx);
+
+	clk_name_set_parent("ppll", "pll_ppll");
+	clk_name_set_parent("clk_rtc_32k", "clk_rtc32k_frac");
+	clk_name_set_rate("clk_rtc_32k", 32768);
+	clk_name_set_rate("pclk_pmu", 100000000);
+	clk_name_set_rate("pll_ppll", 200000000);
 }
 
 static void __init rk3568_clk_init(struct device_node *np)
@@ -1654,12 +1663,37 @@ static void __init rk3568_clk_init(struct device_node *np)
 	rockchip_clk_register_branches(ctx, rk3568_clk_branches,
 				       ARRAY_SIZE(rk3568_clk_branches));
 
+	rockchip_register_softrst(np, 30, reg_base + RK3568_SOFTRST_CON(0),
+				  ROCKCHIP_SOFTRST_HIWORD_MASK);
+
 	rockchip_register_restart_notifier(ctx, RK3568_GLB_SRST_FST);
 
 	rockchip_clk_protect_critical(rk3568_cru_critical_clocks,
 				      ARRAY_SIZE(rk3568_cru_critical_clocks));
 
 	rockchip_clk_of_add_provider(np, ctx);
+
+	clk_name_set_parent("npll", "pll_npll");
+	clk_name_set_parent("vpll", "pll_vpll");
+	clk_name_set_parent("pclk_bus", "gpll_100m");
+	clk_name_set_parent("clk_sdmmc0", "cpll_50m");
+	clk_name_set_parent("cclk_emmc", "gpll_200m");
+
+	clk_name_set_rate("pll_cpll", 1000000000);
+	clk_name_set_rate("pll_gpll", 1188000000);
+	clk_name_set_rate("armclk", 600000000);
+	clk_name_set_rate("aclk_bus", 150000000);
+	clk_name_set_rate("pclk_bus", 100000000);
+	clk_name_set_rate("aclk_top_high", 300000000);
+	clk_name_set_rate("aclk_top_low", 200000000);
+	clk_name_set_rate("hclk_top", 150000000);
+	clk_name_set_rate("pclk_top", 100000000);
+	clk_name_set_rate("aclk_perimid", 300000000);
+	clk_name_set_rate("hclk_perimid", 150000000);
+	clk_name_set_rate("pll_npll", 1200000000);
+	clk_name_set_rate("pll_apll", 816000000);
+
+	clk_name_set_parent("pclk_top", "gpll_100m");
 }
 
 struct clk_rk3568_inits {
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index 0b513b68d0..684876e260 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -23,6 +23,7 @@ config USB_NOP_XCEIV
 	  phy programming such as ISP1x04 etc.
 
 source "drivers/phy/freescale/Kconfig"
+source "drivers/phy/rockchip/Kconfig"
 
 config PHY_STM32_USBPHYC
 	tristate "STM32 USB HS PHY Controller"
diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
index 684aaed75a..f06a9df92e 100644
--- a/drivers/phy/Makefile
+++ b/drivers/phy/Makefile
@@ -6,3 +6,4 @@ obj-$(CONFIG_GENERIC_PHY)		+= phy-core.o
 obj-$(CONFIG_USB_NOP_XCEIV)		+= usb-nop-xceiv.o
 obj-y					+= freescale/
 obj-$(CONFIG_PHY_STM32_USBPHYC) 	+= phy-stm32-usbphyc.o
+obj-y					+= rockchip/
diff --git a/drivers/phy/rockchip/Kconfig b/drivers/phy/rockchip/Kconfig
new file mode 100644
index 0000000000..37a514059e
--- /dev/null
+++ b/drivers/phy/rockchip/Kconfig
@@ -0,0 +1,14 @@
+config PHY_ROCKCHIP_INNO_USB2
+	bool "Rockchip INNO USB2PHY Driver"
+	depends on (ARCH_ROCKCHIP || COMPILE_TEST) && OFDEVICE
+	depends on COMMON_CLK
+	help
+	  Support for Rockchip USB2.0 PHY with Innosilicon IP block.
+
+config PHY_ROCKCHIP_NANENG_COMBO_PHY
+	bool "Rockchip NANENG COMBO PHY Driver"
+	depends on ARCH_ROCKCHIP && OFDEVICE
+	help
+	  Enable this to support the Rockchip PCIe/USB3.0/SATA/QSGMII
+	  combo PHY with NaNeng IP block.
+
diff --git a/drivers/phy/rockchip/Makefile b/drivers/phy/rockchip/Makefile
new file mode 100644
index 0000000000..4d75d610ef
--- /dev/null
+++ b/drivers/phy/rockchip/Makefile
@@ -0,0 +1,2 @@
+obj-$(CONFIG_PHY_ROCKCHIP_INNO_USB2) += phy-rockchip-inno-usb2.o
+obj-$(CONFIG_PHY_ROCKCHIP_NANENG_COMBO_PHY) += phy-rockchip-naneng-combphy.o
diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
new file mode 100644
index 0000000000..bb1a5c747e
--- /dev/null
+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
@@ -0,0 +1,981 @@
+/*
+ * Copyright 2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <init.h>
+#include <io.h>
+#include <of.h>
+#include <errno.h>
+#include <driver.h>
+#include <malloc.h>
+#include <usb/phy.h>
+#include <linux/phy/phy.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <mfd/syscon.h>
+#include <regulator.h>
+
+#define U2PHY_BIT_WRITEABLE_SHIFT	16
+#define CHG_DCD_MAX_RETRIES		6
+#define CHG_PRI_MAX_RETRIES		2
+#define CHG_DCD_POLL_TIME		100	/* millisecond */
+#define CHG_PRIMARY_DET_TIME		40	/* millisecond */
+#define CHG_SECONDARY_DET_TIME		40	/* millisecond */
+
+struct rockchip_usb2phy;
+
+enum power_supply_type {
+	POWER_SUPPLY_TYPE_UNKNOWN = 0,
+	POWER_SUPPLY_TYPE_USB,		/* Standard Downstream Port */
+	POWER_SUPPLY_TYPE_USB_DCP,	/* Dedicated Charging Port */
+	POWER_SUPPLY_TYPE_USB_CDP,	/* Charging Downstream Port */
+	POWER_SUPPLY_TYPE_USB_FLOATING,	/* DCP without shorting D+/D- */
+};
+
+enum rockchip_usb2phy_port_id {
+	USB2PHY_PORT_OTG,
+	USB2PHY_PORT_HOST,
+	USB2PHY_NUM_PORTS,
+};
+
+struct usb2phy_reg {
+	u32	offset;
+	u32	bitend;
+	u32	bitstart;
+	u32	disable;
+	u32	enable;
+};
+
+/**
+ * struct rockchip_chg_det_reg: usb charger detect registers
+ * @cp_det: charging port detected successfully.
+ * @dcp_det: dedicated charging port detected successfully.
+ * @dp_det: assert data pin connect successfully.
+ * @idm_sink_en: open dm sink curren.
+ * @idp_sink_en: open dp sink current.
+ * @idp_src_en: open dm source current.
+ * @rdm_pdwn_en: open dm pull down resistor.
+ * @vdm_src_en: open dm voltage source.
+ * @vdp_src_en: open dp voltage source.
+ * @opmode: utmi operational mode.
+ */
+struct rockchip_chg_det_reg {
+	struct usb2phy_reg	cp_det;
+	struct usb2phy_reg	dcp_det;
+	struct usb2phy_reg	dp_det;
+	struct usb2phy_reg	idm_sink_en;
+	struct usb2phy_reg	idp_sink_en;
+	struct usb2phy_reg	idp_src_en;
+	struct usb2phy_reg	rdm_pdwn_en;
+	struct usb2phy_reg	vdm_src_en;
+	struct usb2phy_reg	vdp_src_en;
+	struct usb2phy_reg	opmode;
+};
+
+/**
+ * struct rockchip_usb2phy_port_cfg: usb-phy port configuration.
+ * @phy_sus: phy suspend register.
+ * @bvalid_det_en: vbus valid rise detection enable register.
+ * @bvalid_det_st: vbus valid rise detection status register.
+ * @bvalid_det_clr: vbus valid rise detection clear register.
+ * @ls_det_en: linestate detection enable register.
+ * @ls_det_st: linestate detection state register.
+ * @ls_det_clr: linestate detection clear register.
+ * @iddig_output: iddig output from grf.
+ * @iddig_en: utmi iddig select between grf and phy,
+ *	      0: from phy; 1: from grf
+ * @idfall_det_en: id fall detection enable register.
+ * @idfall_det_st: id fall detection state register.
+ * @idfall_det_clr: id fall detection clear register.
+ * @idrise_det_en: id rise detection enable register.
+ * @idrise_det_st: id rise detection state register.
+ * @idrise_det_clr: id rise detection clear register.
+ * @utmi_avalid: utmi vbus avalid status register.
+ * @utmi_bvalid: utmi vbus bvalid status register.
+ * @utmi_iddig: otg port id pin status register.
+ * @utmi_ls: utmi linestate state register.
+ * @utmi_hstdet: utmi host disconnect register.
+ * @vbus_det_en: vbus detect function power down register.
+ */
+struct rockchip_usb2phy_port_cfg {
+	struct usb2phy_reg	phy_sus;
+	struct usb2phy_reg	bvalid_det_en;
+	struct usb2phy_reg	bvalid_det_st;
+	struct usb2phy_reg	bvalid_det_clr;
+	struct usb2phy_reg	ls_det_en;
+	struct usb2phy_reg	ls_det_st;
+	struct usb2phy_reg	ls_det_clr;
+	struct usb2phy_reg	iddig_output;
+	struct usb2phy_reg	iddig_en;
+	struct usb2phy_reg	idfall_det_en;
+	struct usb2phy_reg	idfall_det_st;
+	struct usb2phy_reg	idfall_det_clr;
+	struct usb2phy_reg	idrise_det_en;
+	struct usb2phy_reg	idrise_det_st;
+	struct usb2phy_reg	idrise_det_clr;
+	struct usb2phy_reg	utmi_avalid;
+	struct usb2phy_reg	utmi_bvalid;
+	struct usb2phy_reg	utmi_iddig;
+	struct usb2phy_reg	utmi_ls;
+	struct usb2phy_reg	utmi_hstdet;
+	struct usb2phy_reg	vbus_det_en;
+};
+
+/**
+ * struct rockchip_usb2phy_cfg: usb-phy configuration.
+ * @reg: the address offset of grf for usb-phy config.
+ * @num_ports: specify how many ports that the phy has.
+ * @phy_tuning: phy default parameters tunning.
+ * @clkout_ctl: keep on/turn off output clk of phy.
+ * @chg_det: charger detection registers.
+ */
+struct rockchip_usb2phy_cfg {
+	u32	reg;
+	u32	num_ports;
+	int (*phy_tuning)(struct rockchip_usb2phy *);
+	struct usb2phy_reg	clkout_ctl;
+	const struct rockchip_usb2phy_port_cfg	port_cfgs[USB2PHY_NUM_PORTS];
+	const struct rockchip_chg_det_reg	chg_det;
+};
+
+struct rockchip_usb2phy_phy {
+	struct phy *phy;
+	struct regulator *vbus;
+	struct rockchip_usb2phy *usb2phy;
+	const struct rockchip_usb2phy_port_cfg *port_cfg;
+};
+
+/**
+ * @dcd_retries: The retry count used to track Data contact
+ *		 detection process.
+ * @primary_retries: The retry count used to do usb bc detection
+ *		     primary stage.
+ * @grf: General Register Files register base.
+ * @usbgrf_base : USB General Register Files register base.
+ * @phy_cfg: phy register configuration, assigned by driver data.
+ */
+struct rockchip_usb2phy {
+	u8		dcd_retries;
+	u8		primary_retries;
+	struct regmap	*grf_base;
+	const struct rockchip_usb2phy_cfg	*phy_cfg;
+	struct rockchip_usb2phy_phy phys[2];
+	struct phy_provider *provider;
+	struct clk *clk480m;
+	struct clk_hw clk480m_hw;
+	struct device_d *dev;
+	struct clk *clk;
+};
+
+static inline struct regmap *get_reg_base(struct rockchip_usb2phy *rphy)
+{
+	return rphy->grf_base;
+}
+
+static inline int property_enable(struct regmap *base,
+				  const struct usb2phy_reg *reg, bool en)
+{
+	u32 val, mask, tmp;
+
+	tmp = en ? reg->enable : reg->disable;
+	mask = GENMASK(reg->bitend, reg->bitstart);
+	val = (tmp << reg->bitstart) | (mask << U2PHY_BIT_WRITEABLE_SHIFT);
+
+	return regmap_write(base, reg->offset, val);
+}
+
+static inline bool property_enabled(struct regmap *base,
+				    const struct usb2phy_reg *reg)
+{
+	u32 tmp, orig;
+	u32 mask = GENMASK(reg->bitend, reg->bitstart);
+
+	regmap_read(base, reg->offset, &orig);
+
+	tmp = (orig & mask) >> reg->bitstart;
+
+	return tmp == reg->enable;
+}
+
+static int rockchip_usb2phy_init(struct phy *phy)
+{
+	struct rockchip_usb2phy_phy *p = phy_get_drvdata(phy);
+	struct rockchip_usb2phy *rphy = p->usb2phy;
+	struct regmap *base = get_reg_base(rphy);
+
+	p->vbus = regulator_get(&phy->dev, "vbus");
+
+	property_enable(base, &p->port_cfg->phy_sus, false);
+
+	/* waiting for the utmi_clk to become stable */
+	udelay(2000);
+
+	return 0;
+}
+
+static int rockchip_usb2phy_exit(struct phy *phy)
+{
+	struct rockchip_usb2phy_phy *p = phy_get_drvdata(phy);
+	struct rockchip_usb2phy *rphy = p->usb2phy;
+	struct regmap *base = get_reg_base(rphy);
+
+	property_enable(base, &p->port_cfg->phy_sus, true);
+
+	return 0;
+}
+
+static int rockchip_usb2phy_power_on(struct phy *phy)
+{
+	struct rockchip_usb2phy_phy *p = phy_get_drvdata(phy);
+	int ret;
+
+	ret = regulator_enable(p->vbus);
+	if (ret) {
+		dev_err(&phy->dev, "Failed to enable VBus supply\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int rockchip_usb2phy_power_off(struct phy *phy)
+{
+	struct rockchip_usb2phy_phy *p = phy_get_drvdata(phy);
+	int ret;
+
+	ret = regulator_disable(p->vbus);
+	if (ret) {
+		dev_err(&phy->dev, "Failed to disable VBus supply\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static struct phy *rockchip_usb2phy_of_xlate(struct device_d *dev,
+				     struct of_phandle_args *args)
+{
+	struct rockchip_usb2phy *rphy = dev->priv;
+	struct device_node *phynode = args->np;
+	struct rockchip_usb2phy_phy *p;
+	int port;
+
+	for (port = 0; port < 2; port++) {
+		if (phynode == rphy->phys[port].phy->dev.device_node) {
+			p = &rphy->phys[port];
+			return p->phy;
+		}
+	}
+
+	return NULL;
+}
+
+static struct phy_ops rockchip_usb2phy_ops = {
+	.init = rockchip_usb2phy_init,
+	.exit = rockchip_usb2phy_exit,
+	.power_on = rockchip_usb2phy_power_on,
+	.power_off = rockchip_usb2phy_power_off,
+};
+
+static int rockchip_usb2phy_clk480m_prepare(struct clk_hw *hw)
+{
+	struct rockchip_usb2phy *rphy =
+		container_of(hw, struct rockchip_usb2phy, clk480m_hw);
+	struct regmap *base = get_reg_base(rphy);
+	int ret;
+
+	/* turn on 480m clk output if it is off */
+	if (!property_enabled(base, &rphy->phy_cfg->clkout_ctl)) {
+		ret = property_enable(base, &rphy->phy_cfg->clkout_ctl, true);
+		if (ret)
+			return ret;
+
+		/* waiting for the clk become stable */
+		udelay(1200);
+	}
+
+	return 0;
+}
+
+static void rockchip_usb2phy_clk480m_unprepare(struct clk_hw *hw)
+{
+	struct rockchip_usb2phy *rphy =
+		container_of(hw, struct rockchip_usb2phy, clk480m_hw);
+	struct regmap *base = get_reg_base(rphy);
+
+	/* turn off 480m clk output */
+	property_enable(base, &rphy->phy_cfg->clkout_ctl, false);
+}
+
+static int rockchip_usb2phy_clk480m_prepared(struct clk_hw *hw)
+{
+	struct rockchip_usb2phy *rphy =
+		container_of(hw, struct rockchip_usb2phy, clk480m_hw);
+	struct regmap *base = get_reg_base(rphy);
+
+	return property_enabled(base, &rphy->phy_cfg->clkout_ctl);
+}
+
+static unsigned long
+rockchip_usb2phy_clk480m_recalc_rate(struct clk_hw *hw,
+				     unsigned long parent_rate)
+{
+	return 480000000;
+}
+
+static const struct clk_ops rockchip_usb2phy_clkout_ops = {
+	.enable = rockchip_usb2phy_clk480m_prepare,
+	.disable = rockchip_usb2phy_clk480m_unprepare,
+	.is_enabled = rockchip_usb2phy_clk480m_prepared,
+	.recalc_rate = rockchip_usb2phy_clk480m_recalc_rate,
+};
+
+static int rockchip_usb2phy_clk480m_register(struct rockchip_usb2phy *rphy)
+{
+	struct device_node *node = rphy->dev->device_node;
+	struct clk_init_data init = {};
+	const char *clk_name;
+	int ret;
+
+	init.flags = 0;
+	init.name = "clk_usbphy_480m";
+	init.ops = &rockchip_usb2phy_clkout_ops;
+
+	/* optional override of the clockname */
+	of_property_read_string(node, "clock-output-names", &init.name);
+
+	if (rphy->clk) {
+		clk_name = __clk_get_name(rphy->clk);
+		init.parent_names = &clk_name;
+		init.num_parents = 1;
+	} else {
+		init.parent_names = NULL;
+		init.num_parents = 0;
+	}
+
+	rphy->clk480m_hw.init = &init;
+
+	rphy->clk480m = clk_register(rphy->dev, &rphy->clk480m_hw);
+	if (IS_ERR(rphy->clk480m)) {
+		ret = PTR_ERR(rphy->clk480m);
+		goto err_ret;
+	}
+
+	ret = of_clk_add_provider(node, of_clk_src_simple_get, rphy->clk480m);
+	if (ret < 0)
+		goto err_clk_provider;
+
+	return 0;
+
+err_clk_provider:
+	clk_unregister(rphy->clk480m);
+err_ret:
+	return ret;
+}
+
+static int rockchip_usb2phy_probe(struct device_d *dev)
+{
+	const struct rockchip_usb2phy_cfg *phy_cfgs;
+	struct rockchip_usb2phy *rphy;
+	u32 reg, index;
+	int ret, port = 0;
+	struct device_node *child, *np = dev->device_node;
+	struct resource *iores;
+
+	rphy = xzalloc(sizeof(*rphy));
+
+	rphy->dev = dev;
+
+	rphy->grf_base = syscon_regmap_lookup_by_phandle(np, "rockchip,usbgrf");
+	if (IS_ERR(rphy->grf_base))
+		return PTR_ERR(rphy->grf_base);
+
+	phy_cfgs = device_get_match_data(dev);
+	if (!phy_cfgs)
+		return -EINVAL;
+
+	iores = dev_request_mem_resource(dev, 0);
+	if (IS_ERR(iores)) {
+		if (of_property_read_u32(np, "reg", &reg))
+			return -EINVAL;
+	} else {
+		reg = iores->start;
+	}
+
+	/* find out a proper config which can be matched with dt. */
+	index = 0;
+	while (phy_cfgs[index].reg) {
+		if (phy_cfgs[index].reg == reg) {
+			rphy->phy_cfg = &phy_cfgs[index];
+			break;
+		}
+		++index;
+	}
+
+	if (!rphy->phy_cfg) {
+		dev_err(dev, "no phy-config can be matched\n");
+		return -EINVAL;
+	}
+
+	for_each_child_of_node(np, child) {
+		struct rockchip_usb2phy_phy *p;
+		struct phy *phy;
+
+		if (!strcmp(child->name, "host-port")) {
+			port = USB2PHY_PORT_OTG;
+		} else if (!strcmp(child->name, "otg-port")) {
+			port = USB2PHY_PORT_HOST;
+		} else {
+			dev_warn(dev, "Ignoring unknown subnode %s\n", child->name);
+			continue;
+		}
+
+		if (rphy->phys[port].phy)
+			return -EINVAL;
+
+		phy = phy_create(dev, child, &rockchip_usb2phy_ops);
+		if (IS_ERR(phy)) {
+			ret = PTR_ERR(phy);
+			if (ret != -EPROBE_DEFER)
+				dev_err(dev, "failed to create phy%d: %d\n",
+					port, ret);
+			return ret;
+		}
+
+		p = xzalloc(sizeof(*p));
+
+		phy_set_drvdata(phy, p);
+		p->usb2phy = rphy;
+		p->port_cfg = &phy_cfgs->port_cfgs[port];
+
+		rphy->phys[port].phy = phy;
+	}
+
+	if (rphy->phy_cfg->phy_tuning)
+		rphy->phy_cfg->phy_tuning(rphy);
+
+	dev->priv = rphy;
+
+	rphy->clk = clk_get(dev, "phyclk");
+	rockchip_usb2phy_clk480m_register(rphy);
+
+	rphy->provider = of_phy_provider_register(dev, rockchip_usb2phy_of_xlate);
+	if (IS_ERR(rphy->provider))
+		return PTR_ERR(rphy->provider);
+
+	return 0;
+}
+
+static int rk322x_usb2phy_tuning(struct rockchip_usb2phy *rphy)
+{
+	struct regmap *base = get_reg_base(rphy);
+	int ret = 0;
+
+	/* Open pre-emphasize in non-chirp state for PHY0 otg port */
+	if (rphy->phy_cfg->reg == 0x760)
+		ret = regmap_write(base, 0x76c, 0x00070004);
+
+	return ret;
+}
+
+static const struct rockchip_usb2phy_cfg rk1808_phy_cfgs[] = {
+	{
+		.reg = 0x100,
+		.num_ports	= 2,
+		.clkout_ctl	= { 0x108, 4, 4, 1, 0 },
+		.port_cfgs	= {
+			[USB2PHY_PORT_OTG] = {
+				.phy_sus	= { 0x0100, 8, 0, 0, 0x1d1 },
+				.bvalid_det_en	= { 0x0110, 2, 2, 0, 1 },
+				.bvalid_det_st	= { 0x0114, 2, 2, 0, 1 },
+				.bvalid_det_clr = { 0x0118, 2, 2, 0, 1 },
+				.iddig_output	= { 0x0100, 10, 10, 0, 1 },
+				.iddig_en	= { 0x0100, 9, 9, 0, 1 },
+				.idfall_det_en	= { 0x0110, 5, 5, 0, 1 },
+				.idfall_det_st	= { 0x0114, 5, 5, 0, 1 },
+				.idfall_det_clr = { 0x0118, 5, 5, 0, 1 },
+				.idrise_det_en	= { 0x0110, 4, 4, 0, 1 },
+				.idrise_det_st	= { 0x0114, 4, 4, 0, 1 },
+				.idrise_det_clr = { 0x0118, 4, 4, 0, 1 },
+				.ls_det_en	= { 0x0110, 0, 0, 0, 1 },
+				.ls_det_st	= { 0x0114, 0, 0, 0, 1 },
+				.ls_det_clr	= { 0x0118, 0, 0, 0, 1 },
+				.utmi_avalid	= { 0x0120, 10, 10, 0, 1 },
+				.utmi_bvalid	= { 0x0120, 9, 9, 0, 1 },
+				.utmi_iddig	= { 0x0120, 6, 6, 0, 1 },
+				.utmi_ls	= { 0x0120, 5, 4, 0, 1 },
+				.vbus_det_en	= { 0x001c, 15, 15, 1, 0 },
+			},
+			[USB2PHY_PORT_HOST] = {
+				.phy_sus	= { 0x104, 8, 0, 0, 0x1d1 },
+				.ls_det_en	= { 0x110, 1, 1, 0, 1 },
+				.ls_det_st	= { 0x114, 1, 1, 0, 1 },
+				.ls_det_clr	= { 0x118, 1, 1, 0, 1 },
+				.utmi_ls	= { 0x120, 17, 16, 0, 1 },
+				.utmi_hstdet	= { 0x120, 19, 19, 0, 1 }
+			}
+		},
+		.chg_det = {
+			.opmode		= { 0x0100, 3, 0, 5, 1 },
+			.cp_det		= { 0x0120, 24, 24, 0, 1 },
+			.dcp_det	= { 0x0120, 23, 23, 0, 1 },
+			.dp_det		= { 0x0120, 25, 25, 0, 1 },
+			.idm_sink_en	= { 0x0108, 8, 8, 0, 1 },
+			.idp_sink_en	= { 0x0108, 7, 7, 0, 1 },
+			.idp_src_en	= { 0x0108, 9, 9, 0, 1 },
+			.rdm_pdwn_en	= { 0x0108, 10, 10, 0, 1 },
+			.vdm_src_en	= { 0x0108, 12, 12, 0, 1 },
+			.vdp_src_en	= { 0x0108, 11, 11, 0, 1 },
+		},
+	},
+	{ /* sentinel */ }
+};
+
+static const struct rockchip_usb2phy_cfg rk312x_phy_cfgs[] = {
+	{
+		.reg = 0x17c,
+		.num_ports	= 2,
+		.clkout_ctl	= { 0x0190, 15, 15, 1, 0 },
+		.port_cfgs	= {
+			[USB2PHY_PORT_OTG] = {
+				.phy_sus	= { 0x017c, 8, 0, 0, 0x1d1 },
+				.bvalid_det_en	= { 0x017c, 14, 14, 0, 1 },
+				.bvalid_det_st	= { 0x017c, 15, 15, 0, 1 },
+				.bvalid_det_clr	= { 0x017c, 15, 15, 0, 1 },
+				.iddig_output	= { 0x017c, 10, 10, 0, 1 },
+				.iddig_en	= { 0x017c, 9, 9, 0, 1 },
+				.idfall_det_en  = { 0x01a0, 2, 2, 0, 1 },
+				.idfall_det_st  = { 0x01a0, 3, 3, 0, 1 },
+				.idfall_det_clr = { 0x01a0, 3, 3, 0, 1 },
+				.idrise_det_en  = { 0x01a0, 0, 0, 0, 1 },
+				.idrise_det_st  = { 0x01a0, 1, 1, 0, 1 },
+				.idrise_det_clr = { 0x01a0, 1, 1, 0, 1 },
+				.ls_det_en	= { 0x017c, 12, 12, 0, 1 },
+				.ls_det_st	= { 0x017c, 13, 13, 0, 1 },
+				.ls_det_clr	= { 0x017c, 13, 13, 0, 1 },
+				.utmi_bvalid	= { 0x014c, 5, 5, 0, 1 },
+				.utmi_iddig	= { 0x014c, 8, 8, 0, 1 },
+				.utmi_ls	= { 0x014c, 7, 6, 0, 1 },
+			},
+			[USB2PHY_PORT_HOST] = {
+				.phy_sus	= { 0x0194, 8, 0, 0, 0x1d1 },
+				.ls_det_en	= { 0x0194, 14, 14, 0, 1 },
+				.ls_det_st	= { 0x0194, 15, 15, 0, 1 },
+				.ls_det_clr	= { 0x0194, 15, 15, 0, 1 }
+			}
+		},
+		.chg_det = {
+			.opmode		= { 0x017c, 3, 0, 5, 1 },
+			.cp_det		= { 0x02c0, 6, 6, 0, 1 },
+			.dcp_det	= { 0x02c0, 5, 5, 0, 1 },
+			.dp_det		= { 0x02c0, 7, 7, 0, 1 },
+			.idm_sink_en	= { 0x0184, 8, 8, 0, 1 },
+			.idp_sink_en	= { 0x0184, 7, 7, 0, 1 },
+			.idp_src_en	= { 0x0184, 9, 9, 0, 1 },
+			.rdm_pdwn_en	= { 0x0184, 10, 10, 0, 1 },
+			.vdm_src_en	= { 0x0184, 12, 12, 0, 1 },
+			.vdp_src_en	= { 0x0184, 11, 11, 0, 1 },
+		},
+	},
+	{ /* sentinel */ }
+};
+
+static const struct rockchip_usb2phy_cfg rk322x_phy_cfgs[] = {
+	{
+		.reg = 0x760,
+		.num_ports	= 2,
+		.phy_tuning	= rk322x_usb2phy_tuning,
+		.clkout_ctl	= { 0x0768, 4, 4, 1, 0 },
+		.port_cfgs	= {
+			[USB2PHY_PORT_OTG] = {
+				.phy_sus	= { 0x0760, 8, 0, 0, 0x1d1 },
+				.bvalid_det_en	= { 0x0680, 3, 3, 0, 1 },
+				.bvalid_det_st	= { 0x0690, 3, 3, 0, 1 },
+				.bvalid_det_clr	= { 0x06a0, 3, 3, 0, 1 },
+				.iddig_output	= { 0x0760, 10, 10, 0, 1 },
+				.iddig_en	= { 0x0760, 9, 9, 0, 1 },
+				.idfall_det_en	= { 0x0680, 6, 6, 0, 1 },
+				.idfall_det_st	= { 0x0690, 6, 6, 0, 1 },
+				.idfall_det_clr	= { 0x06a0, 6, 6, 0, 1 },
+				.idrise_det_en	= { 0x0680, 5, 5, 0, 1 },
+				.idrise_det_st	= { 0x0690, 5, 5, 0, 1 },
+				.idrise_det_clr	= { 0x06a0, 5, 5, 0, 1 },
+				.ls_det_en	= { 0x0680, 2, 2, 0, 1 },
+				.ls_det_st	= { 0x0690, 2, 2, 0, 1 },
+				.ls_det_clr	= { 0x06a0, 2, 2, 0, 1 },
+				.utmi_bvalid	= { 0x0480, 4, 4, 0, 1 },
+				.utmi_iddig	= { 0x0480, 1, 1, 0, 1 },
+				.utmi_ls	= { 0x0480, 3, 2, 0, 1 },
+				.vbus_det_en	= { 0x0788, 15, 15, 1, 0 },
+			},
+			[USB2PHY_PORT_HOST] = {
+				.phy_sus	= { 0x0764, 8, 0, 0, 0x1d1 },
+				.ls_det_en	= { 0x0680, 4, 4, 0, 1 },
+				.ls_det_st	= { 0x0690, 4, 4, 0, 1 },
+				.ls_det_clr	= { 0x06a0, 4, 4, 0, 1 }
+			}
+		},
+		.chg_det = {
+			.opmode		= { 0x0760, 3, 0, 5, 1 },
+			.cp_det		= { 0x0884, 4, 4, 0, 1 },
+			.dcp_det	= { 0x0884, 3, 3, 0, 1 },
+			.dp_det		= { 0x0884, 5, 5, 0, 1 },
+			.idm_sink_en	= { 0x0768, 8, 8, 0, 1 },
+			.idp_sink_en	= { 0x0768, 7, 7, 0, 1 },
+			.idp_src_en	= { 0x0768, 9, 9, 0, 1 },
+			.rdm_pdwn_en	= { 0x0768, 10, 10, 0, 1 },
+			.vdm_src_en	= { 0x0768, 12, 12, 0, 1 },
+			.vdp_src_en	= { 0x0768, 11, 11, 0, 1 },
+		},
+	},
+	{
+		.reg = 0x800,
+		.num_ports	= 2,
+		.clkout_ctl	= { 0x0808, 4, 4, 1, 0 },
+		.port_cfgs	= {
+			[USB2PHY_PORT_OTG] = {
+				.phy_sus	= { 0x804, 8, 0, 0, 0x1d1 },
+				.ls_det_en	= { 0x0684, 1, 1, 0, 1 },
+				.ls_det_st	= { 0x0694, 1, 1, 0, 1 },
+				.ls_det_clr	= { 0x06a4, 1, 1, 0, 1 }
+			},
+			[USB2PHY_PORT_HOST] = {
+				.phy_sus	= { 0x800, 8, 0, 0, 0x1d1 },
+				.ls_det_en	= { 0x0684, 0, 0, 0, 1 },
+				.ls_det_st	= { 0x0694, 0, 0, 0, 1 },
+				.ls_det_clr	= { 0x06a4, 0, 0, 0, 1 }
+			}
+		},
+	},
+	{ /* sentinel */ }
+};
+
+static const struct rockchip_usb2phy_cfg rk3328_phy_cfgs[] = {
+	{
+		.reg = 0x100,
+		.num_ports	= 2,
+		.clkout_ctl	= { 0x108, 4, 4, 1, 0 },
+		.port_cfgs	= {
+			[USB2PHY_PORT_OTG] = {
+				.phy_sus	= { 0x0100, 8, 0, 0, 0x1d1 },
+				.bvalid_det_en	= { 0x0110, 2, 2, 0, 1 },
+				.bvalid_det_st	= { 0x0114, 2, 2, 0, 1 },
+				.bvalid_det_clr = { 0x0118, 2, 2, 0, 1 },
+				.iddig_output	= { 0x0100, 10, 10, 0, 1 },
+				.iddig_en	= { 0x0100, 9, 9, 0, 1 },
+				.idfall_det_en	= { 0x0110, 5, 5, 0, 1 },
+				.idfall_det_st	= { 0x0114, 5, 5, 0, 1 },
+				.idfall_det_clr = { 0x0118, 5, 5, 0, 1 },
+				.idrise_det_en	= { 0x0110, 4, 4, 0, 1 },
+				.idrise_det_st	= { 0x0114, 4, 4, 0, 1 },
+				.idrise_det_clr = { 0x0118, 4, 4, 0, 1 },
+				.ls_det_en	= { 0x0110, 0, 0, 0, 1 },
+				.ls_det_st	= { 0x0114, 0, 0, 0, 1 },
+				.ls_det_clr	= { 0x0118, 0, 0, 0, 1 },
+				.utmi_avalid	= { 0x0120, 10, 10, 0, 1 },
+				.utmi_bvalid	= { 0x0120, 9, 9, 0, 1 },
+				.utmi_iddig	= { 0x0120, 6, 6, 0, 1 },
+				.utmi_ls	= { 0x0120, 5, 4, 0, 1 },
+				.vbus_det_en	= { 0x001c, 15, 15, 1, 0 },
+			},
+			[USB2PHY_PORT_HOST] = {
+				.phy_sus	= { 0x104, 8, 0, 0, 0x1d1 },
+				.ls_det_en	= { 0x110, 1, 1, 0, 1 },
+				.ls_det_st	= { 0x114, 1, 1, 0, 1 },
+				.ls_det_clr	= { 0x118, 1, 1, 0, 1 },
+				.utmi_ls	= { 0x120, 17, 16, 0, 1 },
+				.utmi_hstdet	= { 0x120, 19, 19, 0, 1 }
+			}
+		},
+		.chg_det = {
+			.opmode		= { 0x0100, 3, 0, 5, 1 },
+			.cp_det		= { 0x0120, 24, 24, 0, 1 },
+			.dcp_det	= { 0x0120, 23, 23, 0, 1 },
+			.dp_det		= { 0x0120, 25, 25, 0, 1 },
+			.idm_sink_en	= { 0x0108, 8, 8, 0, 1 },
+			.idp_sink_en	= { 0x0108, 7, 7, 0, 1 },
+			.idp_src_en	= { 0x0108, 9, 9, 0, 1 },
+			.rdm_pdwn_en	= { 0x0108, 10, 10, 0, 1 },
+			.vdm_src_en	= { 0x0108, 12, 12, 0, 1 },
+			.vdp_src_en	= { 0x0108, 11, 11, 0, 1 },
+		},
+	},
+	{ /* sentinel */ }
+};
+
+static const struct rockchip_usb2phy_cfg rk3368_phy_cfgs[] = {
+	{
+		.reg = 0x700,
+		.num_ports	= 2,
+		.clkout_ctl	= { 0x0724, 15, 15, 1, 0 },
+		.port_cfgs	= {
+			[USB2PHY_PORT_OTG] = {
+				.phy_sus	= { 0x0700, 8, 0, 0, 0x1d1 },
+				.bvalid_det_en	= { 0x0680, 3, 3, 0, 1 },
+				.bvalid_det_st	= { 0x0690, 3, 3, 0, 1 },
+				.bvalid_det_clr = { 0x06a0, 3, 3, 0, 1 },
+				.ls_det_en	= { 0x0680, 2, 2, 0, 1 },
+				.ls_det_st	= { 0x0690, 2, 2, 0, 1 },
+				.ls_det_clr	= { 0x06a0, 2, 2, 0, 1 },
+				.utmi_bvalid	= { 0x04bc, 23, 23, 0, 1 },
+				.utmi_ls	= { 0x04bc, 25, 24, 0, 1 },
+			},
+			[USB2PHY_PORT_HOST] = {
+				.phy_sus	= { 0x0728, 8, 0, 0, 0x1d1 },
+				.ls_det_en	= { 0x0680, 4, 4, 0, 1 },
+				.ls_det_st	= { 0x0690, 4, 4, 0, 1 },
+				.ls_det_clr	= { 0x06a0, 4, 4, 0, 1 }
+			}
+		},
+		.chg_det = {
+			.opmode		= { 0x0700, 3, 0, 5, 1 },
+			.cp_det		= { 0x04b8, 30, 30, 0, 1 },
+			.dcp_det	= { 0x04b8, 29, 29, 0, 1 },
+			.dp_det		= { 0x04b8, 31, 31, 0, 1 },
+			.idm_sink_en	= { 0x0718, 8, 8, 0, 1 },
+			.idp_sink_en	= { 0x0718, 7, 7, 0, 1 },
+			.idp_src_en	= { 0x0718, 9, 9, 0, 1 },
+			.rdm_pdwn_en	= { 0x0718, 10, 10, 0, 1 },
+			.vdm_src_en	= { 0x0718, 12, 12, 0, 1 },
+			.vdp_src_en	= { 0x0718, 11, 11, 0, 1 },
+		},
+	},
+	{ /* sentinel */ }
+};
+
+static const struct rockchip_usb2phy_cfg rk3399_phy_cfgs[] = {
+	{
+		.reg		= 0xe450,
+		.num_ports	= 2,
+		.clkout_ctl	= { 0xe450, 4, 4, 1, 0 },
+		.port_cfgs	= {
+			[USB2PHY_PORT_OTG] = {
+				.phy_sus = { 0xe454, 8, 0, 0x052, 0x1d1 },
+				.bvalid_det_en	= { 0xe3c0, 3, 3, 0, 1 },
+				.bvalid_det_st	= { 0xe3e0, 3, 3, 0, 1 },
+				.bvalid_det_clr	= { 0xe3d0, 3, 3, 0, 1 },
+				.idfall_det_en	= { 0xe3c0, 5, 5, 0, 1 },
+				.idfall_det_st	= { 0xe3e0, 5, 5, 0, 1 },
+				.idfall_det_clr	= { 0xe3d0, 5, 5, 0, 1 },
+				.idrise_det_en	= { 0xe3c0, 4, 4, 0, 1 },
+				.idrise_det_st	= { 0xe3e0, 4, 4, 0, 1 },
+				.idrise_det_clr	= { 0xe3d0, 4, 4, 0, 1 },
+				.ls_det_en	= { 0xe3c0, 2, 2, 0, 1 },
+				.ls_det_st	= { 0xe3e0, 2, 2, 0, 1 },
+				.ls_det_clr	= { 0xe3d0, 2, 2, 0, 1 },
+				.utmi_avalid	= { 0xe2ac, 7, 7, 0, 1 },
+				.utmi_bvalid	= { 0xe2ac, 12, 12, 0, 1 },
+				.utmi_iddig	= { 0xe2ac, 8, 8, 0, 1 },
+				.utmi_ls	= { 0xe2ac, 14, 13, 0, 1 },
+				.vbus_det_en    = { 0x449c, 15, 15, 1, 0 },
+			},
+			[USB2PHY_PORT_HOST] = {
+				.phy_sus	= { 0xe458, 1, 0, 0x2, 0x1 },
+				.ls_det_en	= { 0xe3c0, 6, 6, 0, 1 },
+				.ls_det_st	= { 0xe3e0, 6, 6, 0, 1 },
+				.ls_det_clr	= { 0xe3d0, 6, 6, 0, 1 },
+				.utmi_ls	= { 0xe2ac, 22, 21, 0, 1 },
+				.utmi_hstdet	= { 0xe2ac, 23, 23, 0, 1 }
+			}
+		},
+		.chg_det = {
+			.opmode		= { 0xe454, 3, 0, 5, 1 },
+			.cp_det		= { 0xe2ac, 2, 2, 0, 1 },
+			.dcp_det	= { 0xe2ac, 1, 1, 0, 1 },
+			.dp_det		= { 0xe2ac, 0, 0, 0, 1 },
+			.idm_sink_en	= { 0xe450, 8, 8, 0, 1 },
+			.idp_sink_en	= { 0xe450, 7, 7, 0, 1 },
+			.idp_src_en	= { 0xe450, 9, 9, 0, 1 },
+			.rdm_pdwn_en	= { 0xe450, 10, 10, 0, 1 },
+			.vdm_src_en	= { 0xe450, 12, 12, 0, 1 },
+			.vdp_src_en	= { 0xe450, 11, 11, 0, 1 },
+		},
+	},
+	{
+		.reg		= 0xe460,
+		.num_ports	= 2,
+		.clkout_ctl	= { 0xe460, 4, 4, 1, 0 },
+		.port_cfgs	= {
+			[USB2PHY_PORT_OTG] = {
+				.phy_sus = { 0xe464, 8, 0, 0x052, 0x1d1 },
+				.bvalid_det_en  = { 0xe3c0, 8, 8, 0, 1 },
+				.bvalid_det_st  = { 0xe3e0, 8, 8, 0, 1 },
+				.bvalid_det_clr = { 0xe3d0, 8, 8, 0, 1 },
+				.idfall_det_en	= { 0xe3c0, 10, 10, 0, 1 },
+				.idfall_det_st	= { 0xe3e0, 10, 10, 0, 1 },
+				.idfall_det_clr	= { 0xe3d0, 10, 10, 0, 1 },
+				.idrise_det_en	= { 0xe3c0, 9, 9, 0, 1 },
+				.idrise_det_st	= { 0xe3e0, 9, 9, 0, 1 },
+				.idrise_det_clr	= { 0xe3d0, 9, 9, 0, 1 },
+				.ls_det_en	= { 0xe3c0, 7, 7, 0, 1 },
+				.ls_det_st	= { 0xe3e0, 7, 7, 0, 1 },
+				.ls_det_clr	= { 0xe3d0, 7, 7, 0, 1 },
+				.utmi_avalid	= { 0xe2ac, 10, 10, 0, 1 },
+				.utmi_bvalid    = { 0xe2ac, 16, 16, 0, 1 },
+				.utmi_iddig	= { 0xe2ac, 11, 11, 0, 1 },
+				.utmi_ls	= { 0xe2ac, 18, 17, 0, 1 },
+				.vbus_det_en    = { 0x451c, 15, 15, 1, 0 },
+			},
+			[USB2PHY_PORT_HOST] = {
+				.phy_sus	= { 0xe468, 1, 0, 0x2, 0x1 },
+				.ls_det_en	= { 0xe3c0, 11, 11, 0, 1 },
+				.ls_det_st	= { 0xe3e0, 11, 11, 0, 1 },
+				.ls_det_clr	= { 0xe3d0, 11, 11, 0, 1 },
+				.utmi_ls	= { 0xe2ac, 26, 25, 0, 1 },
+				.utmi_hstdet	= { 0xe2ac, 27, 27, 0, 1 }
+			}
+		},
+		.chg_det = {
+			.opmode		= { 0xe464, 3, 0, 5, 1 },
+			.cp_det		= { 0xe2ac, 5, 5, 0, 1 },
+			.dcp_det	= { 0xe2ac, 4, 4, 0, 1 },
+			.dp_det		= { 0xe2ac, 3, 3, 0, 1 },
+			.idm_sink_en	= { 0xe460, 8, 8, 0, 1 },
+			.idp_sink_en	= { 0xe460, 7, 7, 0, 1 },
+			.idp_src_en	= { 0xe460, 9, 9, 0, 1 },
+			.rdm_pdwn_en	= { 0xe460, 10, 10, 0, 1 },
+			.vdm_src_en	= { 0xe460, 12, 12, 0, 1 },
+			.vdp_src_en	= { 0xe460, 11, 11, 0, 1 },
+		},
+	},
+	{ /* sentinel */ }
+};
+
+static const struct rockchip_usb2phy_cfg rv1108_phy_cfgs[] = {
+	{
+		.reg = 0x100,
+		.num_ports	= 2,
+		.clkout_ctl	= { 0x108, 4, 4, 1, 0 },
+		.port_cfgs	= {
+			[USB2PHY_PORT_OTG] = {
+				.phy_sus	= { 0x0ffa0100, 8, 0, 0, 0x1d1 },
+				.bvalid_det_en	= { 0x0680, 3, 3, 0, 1 },
+				.bvalid_det_st	= { 0x0690, 3, 3, 0, 1 },
+				.bvalid_det_clr = { 0x06a0, 3, 3, 0, 1 },
+				.ls_det_en	= { 0x0680, 2, 2, 0, 1 },
+				.ls_det_st	= { 0x0690, 2, 2, 0, 1 },
+				.ls_det_clr	= { 0x06a0, 2, 2, 0, 1 },
+				.utmi_bvalid	= { 0x0804, 10, 10, 0, 1 },
+				.utmi_ls	= { 0x0804, 13, 12, 0, 1 },
+			},
+			[USB2PHY_PORT_HOST] = {
+				.phy_sus	= { 0x0ffa0104, 8, 0, 0, 0x1d1 },
+				.ls_det_en	= { 0x0680, 4, 4, 0, 1 },
+				.ls_det_st	= { 0x0690, 4, 4, 0, 1 },
+				.ls_det_clr	= { 0x06a0, 4, 4, 0, 1 },
+				.utmi_ls	= { 0x0804, 9, 8, 0, 1 },
+				.utmi_hstdet	= { 0x0804, 7, 7, 0, 1 }
+			}
+		},
+		.chg_det = {
+			.opmode		= { 0x0ffa0100, 3, 0, 5, 1 },
+			.cp_det		= { 0x0804, 1, 1, 0, 1 },
+			.dcp_det	= { 0x0804, 0, 0, 0, 1 },
+			.dp_det		= { 0x0804, 2, 2, 0, 1 },
+			.idm_sink_en	= { 0x0ffa0108, 8, 8, 0, 1 },
+			.idp_sink_en	= { 0x0ffa0108, 7, 7, 0, 1 },
+			.idp_src_en	= { 0x0ffa0108, 9, 9, 0, 1 },
+			.rdm_pdwn_en	= { 0x0ffa0108, 10, 10, 0, 1 },
+			.vdm_src_en	= { 0x0ffa0108, 12, 12, 0, 1 },
+			.vdp_src_en	= { 0x0ffa0108, 11, 11, 0, 1 },
+		},
+	},
+	{ /* sentinel */ }
+};
+
+static const struct rockchip_usb2phy_cfg rk3568_phy_cfgs[] = {
+	{
+		.reg = 0xfe8a0000,
+		.num_ports	= 2,
+		.clkout_ctl	= { 0x0008, 4, 4, 1, 0 },
+		.port_cfgs	= {
+			[USB2PHY_PORT_OTG] = {
+				.phy_sus	= { 0x0000, 8, 0, 0x052, 0x1d1 },
+				.bvalid_det_en	= { 0x0080, 2, 2, 0, 1 },
+				.bvalid_det_st	= { 0x0084, 2, 2, 0, 1 },
+				.bvalid_det_clr = { 0x0088, 2, 2, 0, 1 },
+				.iddig_output	= { 0x0000, 10, 10, 0, 1 },
+				.iddig_en	= { 0x0000, 9, 9, 0, 1 },
+				.idfall_det_en	= { 0x0080, 5, 5, 0, 1 },
+				.idfall_det_st	= { 0x0084, 5, 5, 0, 1 },
+				.idfall_det_clr = { 0x0088, 5, 5, 0, 1 },
+				.idrise_det_en	= { 0x0080, 4, 4, 0, 1 },
+				.idrise_det_st	= { 0x0084, 4, 4, 0, 1 },
+				.idrise_det_clr = { 0x0088, 4, 4, 0, 1 },
+				.ls_det_en	= { 0x0080, 0, 0, 0, 1 },
+				.ls_det_st	= { 0x0084, 0, 0, 0, 1 },
+				.ls_det_clr	= { 0x0088, 0, 0, 0, 1 },
+				.utmi_avalid	= { 0x00c0, 10, 10, 0, 1 },
+				.utmi_bvalid	= { 0x00c0, 9, 9, 0, 1 },
+				.utmi_iddig	= { 0x00c0, 6, 6, 0, 1 },
+				.utmi_ls	= { 0x00c0, 5, 4, 0, 1 },
+			},
+			[USB2PHY_PORT_HOST] = {
+				.phy_sus	= { 0x0004, 8, 0, 0x1d2, 0x1d1 },
+				.ls_det_en	= { 0x0080, 1, 1, 0, 1 },
+				.ls_det_st	= { 0x0084, 1, 1, 0, 1 },
+				.ls_det_clr	= { 0x0088, 1, 1, 0, 1 },
+				.utmi_ls	= { 0x00c0, 17, 16, 0, 1 },
+				.utmi_hstdet	= { 0x00c0, 19, 19, 0, 1 }
+			}
+		},
+		.chg_det = {
+			.opmode		= { 0x0000, 3, 0, 5, 1 },
+			.cp_det		= { 0x00c0, 24, 24, 0, 1 },
+			.dcp_det	= { 0x00c0, 23, 23, 0, 1 },
+			.dp_det		= { 0x00c0, 25, 25, 0, 1 },
+			.idm_sink_en	= { 0x0008, 8, 8, 0, 1 },
+			.idp_sink_en	= { 0x0008, 7, 7, 0, 1 },
+			.idp_src_en	= { 0x0008, 9, 9, 0, 1 },
+			.rdm_pdwn_en	= { 0x0008, 10, 10, 0, 1 },
+			.vdm_src_en	= { 0x0008, 12, 12, 0, 1 },
+			.vdp_src_en	= { 0x0008, 11, 11, 0, 1 },
+		},
+	},
+	{
+		.reg = 0xfe8b0000,
+		.num_ports	= 2,
+		.clkout_ctl	= { 0x0008, 4, 4, 1, 0 },
+		.port_cfgs	= {
+			[USB2PHY_PORT_OTG] = {
+				.phy_sus	= { 0x0000, 8, 0, 0x1d2, 0x1d1 },
+				.ls_det_en	= { 0x0080, 0, 0, 0, 1 },
+				.ls_det_st	= { 0x0084, 0, 0, 0, 1 },
+				.ls_det_clr	= { 0x0088, 0, 0, 0, 1 },
+				.utmi_ls	= { 0x00c0, 5, 4, 0, 1 },
+				.utmi_hstdet	= { 0x00c0, 7, 7, 0, 1 }
+			},
+			[USB2PHY_PORT_HOST] = {
+				.phy_sus	= { 0x0004, 8, 0, 0x1d2, 0x1d1 },
+				.ls_det_en	= { 0x0080, 1, 1, 0, 1 },
+				.ls_det_st	= { 0x0084, 1, 1, 0, 1 },
+				.ls_det_clr	= { 0x0088, 1, 1, 0, 1 },
+				.utmi_ls	= { 0x00c0, 17, 16, 0, 1 },
+				.utmi_hstdet	= { 0x00c0, 19, 19, 0, 1 }
+			}
+		},
+	},
+	{ /* sentinel */ }
+};
+static const struct of_device_id rockchip_usb2phy_dt_match[] = {
+	{ .compatible = "rockchip,rk1808-usb2phy", .data = &rk1808_phy_cfgs },
+	{ .compatible = "rockchip,rk3128-usb2phy", .data = &rk312x_phy_cfgs },
+	{ .compatible = "rockchip,rk322x-usb2phy", .data = &rk322x_phy_cfgs },
+	{ .compatible = "rockchip,rk3308-usb2phy", .data = &rk3328_phy_cfgs },
+	{ .compatible = "rockchip,rk3328-usb2phy", .data = &rk3328_phy_cfgs },
+	{ .compatible = "rockchip,rk3368-usb2phy", .data = &rk3368_phy_cfgs },
+	{ .compatible = "rockchip,rk3399-usb2phy", .data = &rk3399_phy_cfgs },
+	{ .compatible = "rockchip,rk3568-usb2phy", .data = &rk3568_phy_cfgs },
+	{ .compatible = "rockchip,rv1108-usb2phy", .data = &rv1108_phy_cfgs },
+	{ }
+};
+
+static struct driver_d rockchip_usb2phy_driver = {
+	.probe		= rockchip_usb2phy_probe,
+	.name	= "rockchip-usb2phy",
+	.of_compatible = rockchip_usb2phy_dt_match,
+};
+coredevice_platform_driver(rockchip_usb2phy_driver);
diff --git a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
new file mode 100644
index 0000000000..af4340f90d
--- /dev/null
+++ b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
@@ -0,0 +1,607 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Rockchip PIPE USB3.0 PCIE SATA combphy driver
+ *
+ * Copyright (C) 2020 Rockchip Electronics Co., Ltd.
+ */
+
+#include <common.h>
+#include <init.h>
+#include <io.h>
+#include <of.h>
+#include <errno.h>
+#include <driver.h>
+#include <malloc.h>
+#include <usb/phy.h>
+#include <linux/phy/phy.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/reset.h>
+#include <mfd/syscon.h>
+#include <linux/iopoll.h>
+#include <dt-bindings/phy/phy.h>
+
+#define BIT_WRITEABLE_SHIFT		16
+
+struct rockchip_combphy_priv;
+
+struct combphy_reg {
+	u16 offset;
+	u16 bitend;
+	u16 bitstart;
+	u16 disable;
+	u16 enable;
+};
+
+struct rockchip_combphy_grfcfg {
+	struct combphy_reg pcie_mode_set;
+	struct combphy_reg usb_mode_set;
+	struct combphy_reg sgmii_mode_set;
+	struct combphy_reg qsgmii_mode_set;
+	struct combphy_reg pipe_rxterm_set;
+	struct combphy_reg pipe_txelec_set;
+	struct combphy_reg pipe_txcomp_set;
+	struct combphy_reg pipe_clk_25m;
+	struct combphy_reg pipe_clk_100m;
+	struct combphy_reg pipe_phymode_sel;
+	struct combphy_reg pipe_rate_sel;
+	struct combphy_reg pipe_rxterm_sel;
+	struct combphy_reg pipe_txelec_sel;
+	struct combphy_reg pipe_txcomp_sel;
+	struct combphy_reg pipe_clk_ext;
+	struct combphy_reg pipe_sel_usb;
+	struct combphy_reg pipe_sel_qsgmii;
+	struct combphy_reg pipe_phy_status;
+	struct combphy_reg con0_for_pcie;
+	struct combphy_reg con1_for_pcie;
+	struct combphy_reg con2_for_pcie;
+	struct combphy_reg con3_for_pcie;
+	struct combphy_reg con0_for_sata;
+	struct combphy_reg con1_for_sata;
+	struct combphy_reg con2_for_sata;
+	struct combphy_reg con3_for_sata;
+	struct combphy_reg pipe_con0_for_sata;
+	struct combphy_reg pipe_sgmii_mac_sel;
+	struct combphy_reg pipe_xpcs_phy_ready;
+	struct combphy_reg u3otg0_port_en;
+	struct combphy_reg u3otg1_port_en;
+};
+
+struct rockchip_combphy_cfg {
+	const int num_clks;
+	const struct clk_bulk_data *clks;
+	const struct rockchip_combphy_grfcfg *grfcfg;
+	int (*combphy_cfg)(struct rockchip_combphy_priv *priv);
+};
+
+struct rockchip_combphy_priv {
+	u8 mode;
+	void __iomem *mmio;
+	int num_clks;
+	struct clk_bulk_data *clks;
+	struct device_d *dev;
+	struct regmap *pipe_grf;
+	struct regmap *phy_grf;
+	struct phy *phy;
+	struct reset_control *apb_rst;
+	struct reset_control *phy_rst;
+	const struct rockchip_combphy_cfg *cfg;
+};
+
+static inline bool param_read(struct regmap *base,
+			      const struct combphy_reg *reg, u32 val)
+{
+	int ret;
+	u32 mask, orig, tmp;
+
+	ret = regmap_read(base, reg->offset, &orig);
+	if (ret)
+		return false;
+
+	mask = GENMASK(reg->bitend, reg->bitstart);
+	tmp = (orig & mask) >> reg->bitstart;
+
+	return tmp == val;
+}
+
+static int param_write(struct regmap *base,
+		       const struct combphy_reg *reg, bool en)
+{
+	u32 val, mask, tmp;
+
+	tmp = en ? reg->enable : reg->disable;
+	mask = GENMASK(reg->bitend, reg->bitstart);
+	val = (tmp << reg->bitstart) | (mask << BIT_WRITEABLE_SHIFT);
+
+	return regmap_write(base, reg->offset, val);
+}
+
+static u32 rockchip_combphy_is_ready(struct rockchip_combphy_priv *priv)
+{
+	const struct rockchip_combphy_grfcfg *cfg = priv->cfg->grfcfg;
+	u32 mask, val;
+
+	mask = GENMASK(cfg->pipe_phy_status.bitend,
+		       cfg->pipe_phy_status.bitstart);
+
+	regmap_read(priv->phy_grf, cfg->pipe_phy_status.offset, &val);
+	val = (val & mask) >> cfg->pipe_phy_status.bitstart;
+
+	return val;
+}
+
+static int rockchip_combphy_pcie_init(struct rockchip_combphy_priv *priv)
+{
+	int ret = 0;
+
+	if (priv->cfg->combphy_cfg) {
+		ret = priv->cfg->combphy_cfg(priv);
+		if (ret) {
+			dev_err(priv->dev, "failed to init phy for pcie\n");
+			return ret;
+		}
+	}
+
+	return ret;
+}
+
+static int rockchip_combphy_usb3_init(struct rockchip_combphy_priv *priv)
+{
+	int ret = 0;
+
+	if (priv->cfg->combphy_cfg) {
+		ret = priv->cfg->combphy_cfg(priv);
+		if (ret) {
+			dev_err(priv->dev, "failed to init phy for usb3\n");
+			return ret;
+		}
+	}
+
+	return ret;
+}
+
+static int rockchip_combphy_sata_init(struct rockchip_combphy_priv *priv)
+{
+	int ret = 0;
+
+	if (priv->cfg->combphy_cfg) {
+		ret = priv->cfg->combphy_cfg(priv);
+		if (ret) {
+			dev_err(priv->dev, "failed to init phy for sata\n");
+			return ret;
+		}
+	}
+
+	return ret;
+}
+
+static int rockchip_combphy_sgmii_init(struct rockchip_combphy_priv *priv)
+{
+	int ret = 0;
+
+	if (priv->cfg->combphy_cfg) {
+		ret = priv->cfg->combphy_cfg(priv);
+		if (ret) {
+			dev_err(priv->dev, "failed to init phy for sgmii\n");
+			return ret;
+		}
+	}
+
+	return ret;
+}
+
+static int rockchip_combphy_set_mode(struct rockchip_combphy_priv *priv)
+{
+	switch (priv->mode) {
+	case PHY_TYPE_PCIE:
+		rockchip_combphy_pcie_init(priv);
+		break;
+	case PHY_TYPE_USB3:
+		rockchip_combphy_usb3_init(priv);
+		break;
+	case PHY_TYPE_SATA:
+		rockchip_combphy_sata_init(priv);
+		break;
+	case PHY_TYPE_SGMII:
+	case PHY_TYPE_QSGMII:
+		return rockchip_combphy_sgmii_init(priv);
+	default:
+		dev_err(priv->dev, "incompatible PHY type\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int rockchip_combphy_init(struct phy *phy)
+{
+	struct rockchip_combphy_priv *priv = phy_get_drvdata(phy);
+	const struct rockchip_combphy_grfcfg *cfg = priv->cfg->grfcfg;
+	u32 val;
+	int ret;
+
+	ret = clk_bulk_enable(priv->num_clks, priv->clks);
+	if (ret) {
+		dev_err(priv->dev, "failed to enable clks\n");
+		return ret;
+	}
+
+	ret = rockchip_combphy_set_mode(priv);
+	if (ret)
+		goto err_clk;
+
+	ret = reset_control_deassert(priv->phy_rst);
+	if (ret)
+		goto err_clk;
+
+	if (priv->mode == PHY_TYPE_USB3) {
+		ret = readx_poll_timeout(rockchip_combphy_is_ready,
+						priv, val,
+						val == cfg->pipe_phy_status.enable,
+						1000);
+		if (ret)
+			dev_warn(priv->dev, "wait phy status ready timeout\n");
+	}
+
+	return 0;
+
+err_clk:
+	clk_bulk_disable(priv->num_clks, priv->clks);
+
+	return ret;
+}
+
+static int rockchip_combphy_exit(struct phy *phy)
+{
+	struct rockchip_combphy_priv *priv = phy_get_drvdata(phy);
+
+	clk_bulk_disable(priv->num_clks, priv->clks);
+	reset_control_assert(priv->phy_rst);
+
+	return 0;
+}
+
+static const struct phy_ops rochchip_combphy_ops = {
+	.init = rockchip_combphy_init,
+	.exit = rockchip_combphy_exit,
+};
+
+static struct phy *rockchip_combphy_xlate(struct device_d *dev,
+					  struct of_phandle_args *args)
+{
+	struct rockchip_combphy_priv *priv = dev->priv;
+
+	if (args->args_count != 1) {
+		dev_err(dev, "invalid number of arguments\n");
+		return ERR_PTR(-EINVAL);
+	}
+
+	if (priv->mode != PHY_NONE && priv->mode != args->args[0])
+		dev_warn(dev, "phy type select %d overwriting type %d\n",
+			 args->args[0], priv->mode);
+
+	priv->mode = args->args[0];
+
+	return priv->phy;
+}
+
+static int rockchip_combphy_parse_dt(struct device_d *dev,
+				     struct rockchip_combphy_priv *priv)
+{
+	struct device_node *np = dev->device_node;
+	const struct rockchip_combphy_cfg *phy_cfg = priv->cfg;
+	int ret, mac_id;
+
+	ret = clk_bulk_get(dev, priv->num_clks, priv->clks);
+	if (ret == -EPROBE_DEFER)
+		return -EPROBE_DEFER;
+	if (ret)
+		priv->num_clks = 0;
+
+	priv->pipe_grf = syscon_regmap_lookup_by_phandle(np,
+							 "rockchip,pipe-grf");
+	if (IS_ERR(priv->pipe_grf)) {
+		dev_err(dev, "failed to find peri_ctrl pipe-grf regmap\n");
+		return PTR_ERR(priv->pipe_grf);
+	}
+
+	priv->phy_grf = syscon_regmap_lookup_by_phandle(np,
+							"rockchip,pipe-phy-grf");
+	if (IS_ERR(priv->phy_grf)) {
+		dev_err(dev, "failed to find peri_ctrl pipe-phy-grf regmap\n");
+		return PTR_ERR(priv->phy_grf);
+	}
+
+	if (!of_property_read_u32(np, "rockchip,sgmii-mac-sel", &mac_id) &&
+	    (mac_id > 0))
+		param_write(priv->pipe_grf, &phy_cfg->grfcfg->pipe_sgmii_mac_sel,
+			    true);
+
+	priv->apb_rst = reset_control_get(dev, "combphy-apb");
+	if (IS_ERR(priv->apb_rst)) {
+		ret = PTR_ERR(priv->apb_rst);
+
+		if (ret != -EPROBE_DEFER)
+			dev_warn(dev, "failed to get apb reset\n");
+
+		return ret;
+	}
+
+	priv->phy_rst = reset_control_get(dev, "combphy");
+	if (IS_ERR(priv->phy_rst)) {
+		ret = PTR_ERR(priv->phy_rst);
+
+		if (ret != -EPROBE_DEFER)
+			dev_warn(dev, "failed to get phy reset\n");
+
+		return ret;
+	}
+
+	return reset_control_assert(priv->phy_rst);
+}
+
+static int rockchip_combphy_probe(struct device_d *dev)
+{
+	struct phy_provider *phy_provider;
+	struct rockchip_combphy_priv *priv;
+	const struct rockchip_combphy_cfg *phy_cfg;
+	struct resource *res;
+	int ret;
+
+	phy_cfg = device_get_match_data(dev);
+	if (!phy_cfg) {
+		dev_err(dev, "No OF match data provided\n");
+		return -EINVAL;
+	}
+
+	priv = xzalloc(sizeof(*priv));
+	if (!priv)
+		return -ENOMEM;
+
+	res = dev_request_mem_resource(dev, 0);
+	if (IS_ERR(res)) {
+		ret = PTR_ERR(res);
+		return ret;
+	}
+
+	priv->mmio = IOMEM(res->start);
+
+	priv->num_clks = phy_cfg->num_clks;
+
+	priv->clks = memdup(phy_cfg->clks,
+			    phy_cfg->num_clks * sizeof(struct clk_bulk_data));
+	if (!priv->clks)
+		return -ENOMEM;
+
+	priv->dev = dev;
+	priv->mode = PHY_NONE;
+	priv->cfg = phy_cfg;
+
+	ret = rockchip_combphy_parse_dt(dev, priv);
+	if (ret)
+		return ret;
+
+	priv->phy = phy_create(dev, NULL, &rochchip_combphy_ops);
+	if (IS_ERR(priv->phy)) {
+		dev_err(dev, "failed to create combphy\n");
+		return PTR_ERR(priv->phy);
+	}
+
+	dev->priv = priv;
+	phy_set_drvdata(priv->phy, priv);
+
+	phy_provider = of_phy_provider_register(dev, rockchip_combphy_xlate);
+
+	return PTR_ERR_OR_ZERO(phy_provider);
+}
+
+static int rk3568_combphy_cfg(struct rockchip_combphy_priv *priv)
+{
+	struct device_node *np = priv->dev->device_node;
+	const struct rockchip_combphy_grfcfg *cfg = priv->cfg->grfcfg;
+	struct clk *refclk = NULL;
+	unsigned long rate;
+	u32 val;
+
+	/* Configure PHY reference clock frequency */
+	refclk = priv->clks[0].clk;
+	if (!refclk) {
+		dev_err(priv->dev, "No refclk found\n");
+		return -EINVAL;
+	}
+
+	switch (priv->mode) {
+	case PHY_TYPE_PCIE:
+		/* Set SSC downward spread spectrum */
+		val = readl(priv->mmio + (0x1f << 2));
+		val &= ~GENMASK(5, 4);
+		val |= 0x01 << 4;
+		writel(val, priv->mmio + 0x7c);
+
+		param_write(priv->phy_grf, &cfg->con0_for_pcie, true);
+		param_write(priv->phy_grf, &cfg->con1_for_pcie, true);
+		param_write(priv->phy_grf, &cfg->con2_for_pcie, true);
+		param_write(priv->phy_grf, &cfg->con3_for_pcie, true);
+		break;
+	case PHY_TYPE_USB3:
+		/* Set SSC downward spread spectrum */
+		val = readl(priv->mmio + (0x1f << 2));
+		val &= ~GENMASK(5, 4);
+		val |= 0x01 << 4;
+		writel(val, priv->mmio + 0x7c);
+
+		/* Enable adaptive CTLE for USB3.0 Rx */
+		val = readl(priv->mmio + (0x0e << 2));
+		val &= ~GENMASK(0, 0);
+		val |= 0x01;
+		writel(val, priv->mmio + (0x0e << 2));
+
+		param_write(priv->phy_grf, &cfg->pipe_sel_usb, true);
+		param_write(priv->phy_grf, &cfg->pipe_txcomp_sel, false);
+		param_write(priv->phy_grf, &cfg->pipe_txelec_sel, false);
+		param_write(priv->phy_grf, &cfg->usb_mode_set, true);
+		break;
+	case PHY_TYPE_SATA:
+		writel(0x41, priv->mmio + 0x38);
+		writel(0x8F, priv->mmio + 0x18);
+		param_write(priv->phy_grf, &cfg->con0_for_sata, true);
+		param_write(priv->phy_grf, &cfg->con1_for_sata, true);
+		param_write(priv->phy_grf, &cfg->con2_for_sata, true);
+		param_write(priv->phy_grf, &cfg->con3_for_sata, true);
+		param_write(priv->pipe_grf, &cfg->pipe_con0_for_sata, true);
+		break;
+	case PHY_TYPE_SGMII:
+		param_write(priv->pipe_grf, &cfg->pipe_xpcs_phy_ready, true);
+		param_write(priv->phy_grf, &cfg->pipe_phymode_sel, true);
+		param_write(priv->phy_grf, &cfg->pipe_sel_qsgmii, true);
+		param_write(priv->phy_grf, &cfg->sgmii_mode_set, true);
+		break;
+	case PHY_TYPE_QSGMII:
+		param_write(priv->pipe_grf, &cfg->pipe_xpcs_phy_ready, true);
+		param_write(priv->phy_grf, &cfg->pipe_phymode_sel, true);
+		param_write(priv->phy_grf, &cfg->pipe_rate_sel, true);
+		param_write(priv->phy_grf, &cfg->pipe_sel_qsgmii, true);
+		param_write(priv->phy_grf, &cfg->qsgmii_mode_set, true);
+		break;
+	default:
+		dev_err(priv->dev, "incompatible PHY type\n");
+		return -EINVAL;
+	}
+
+	rate = clk_get_rate(refclk);
+
+	switch (rate) {
+	case 24000000:
+		if (priv->mode == PHY_TYPE_USB3 || priv->mode == PHY_TYPE_SATA) {
+			/* Set ssc_cnt[9:0]=0101111101 & 31.5KHz */
+			val = readl(priv->mmio + (0x0e << 2));
+			val &= ~GENMASK(7, 6);
+			val |= 0x01 << 6;
+			writel(val, priv->mmio + (0x0e << 2));
+
+			val = readl(priv->mmio + (0x0f << 2));
+			val &= ~GENMASK(7, 0);
+			val |= 0x5f;
+			writel(val, priv->mmio + (0x0f << 2));
+		}
+		break;
+	case 25000000:
+		param_write(priv->phy_grf, &cfg->pipe_clk_25m, true);
+		break;
+	case 100000000:
+		param_write(priv->phy_grf, &cfg->pipe_clk_100m, true);
+		if (priv->mode == PHY_TYPE_PCIE) {
+			/* PLL KVCO tuning fine */
+			val = readl(priv->mmio + (0x20 << 2));
+			val &= ~(0x7 << 2);
+			val |= 0x2 << 2;
+			writel(val, priv->mmio + (0x20 << 2));
+
+			/* Enable controlling random jitter, aka RMJ */
+			writel(0x4, priv->mmio + (0xb << 2));
+
+			val = readl(priv->mmio + (0x5 << 2));
+			val &= ~(0x3 << 6);
+			val |= 0x1 << 6;
+			writel(val, priv->mmio + (0x5 << 2));
+
+			writel(0x32, priv->mmio + (0x11 << 2));
+			writel(0xf0, priv->mmio + (0xa << 2));
+		} else if (priv->mode == PHY_TYPE_SATA) {
+			/* downward spread spectrum +500ppm */
+			val = readl(priv->mmio + (0x1f << 2));
+			val &= ~GENMASK(7, 4);
+			val |= 0x50;
+			writel(val, priv->mmio + (0x1f << 2));
+		}
+		break;
+	default:
+		dev_err(priv->dev, "Unsupported rate: %lu\n", rate);
+		return -EINVAL;
+	}
+
+	if (of_property_read_bool(np, "rockchip,ext-refclk")) {
+		param_write(priv->phy_grf, &cfg->pipe_clk_ext, true);
+		if (priv->mode == PHY_TYPE_PCIE && rate == 100000000) {
+			val = readl(priv->mmio + (0xc << 2));
+			val |= 0x3 << 4 | 0x1 << 7;
+			writel(val, priv->mmio + (0xc << 2));
+
+			val = readl(priv->mmio + (0xd << 2));
+			val |= 0x1;
+			writel(val, priv->mmio + (0xd << 2));
+		}
+	}
+
+	if (of_property_read_bool(np, "rockchip,enable-ssc")) {
+		val = readl(priv->mmio + (0x7 << 2));
+		val |= BIT(4);
+		writel(val, priv->mmio + (0x7 << 2));
+	}
+
+	return 0;
+}
+
+static const struct rockchip_combphy_grfcfg rk3568_combphy_grfcfgs = {
+	/* pipe-phy-grf */
+	.pcie_mode_set		= { 0x0000, 5, 0, 0x00, 0x11 },
+	.usb_mode_set		= { 0x0000, 5, 0, 0x00, 0x04 },
+	.sgmii_mode_set		= { 0x0000, 5, 0, 0x00, 0x01 },
+	.qsgmii_mode_set	= { 0x0000, 5, 0, 0x00, 0x21 },
+	.pipe_rxterm_set	= { 0x0000, 12, 12, 0x00, 0x01 },
+	.pipe_txelec_set	= { 0x0004, 1, 1, 0x00, 0x01 },
+	.pipe_txcomp_set	= { 0x0004, 4, 4, 0x00, 0x01 },
+	.pipe_clk_25m		= { 0x0004, 14, 13, 0x00, 0x01 },
+	.pipe_clk_100m		= { 0x0004, 14, 13, 0x00, 0x02 },
+	.pipe_phymode_sel	= { 0x0008, 1, 1, 0x00, 0x01 },
+	.pipe_rate_sel		= { 0x0008, 2, 2, 0x00, 0x01 },
+	.pipe_rxterm_sel	= { 0x0008, 8, 8, 0x00, 0x01 },
+	.pipe_txelec_sel	= { 0x0008, 12, 12, 0x00, 0x01 },
+	.pipe_txcomp_sel	= { 0x0008, 15, 15, 0x00, 0x01 },
+	.pipe_clk_ext		= { 0x000c, 9, 8, 0x02, 0x01 },
+	.pipe_sel_usb		= { 0x000c, 14, 13, 0x00, 0x01 },
+	.pipe_sel_qsgmii	= { 0x000c, 15, 13, 0x00, 0x07 },
+	.pipe_phy_status	= { 0x0034, 6, 6, 0x01, 0x00 },
+	.con0_for_pcie		= { 0x0000, 15, 0, 0x00, 0x1000 },
+	.con1_for_pcie		= { 0x0004, 15, 0, 0x00, 0x0000 },
+	.con2_for_pcie		= { 0x0008, 15, 0, 0x00, 0x0101 },
+	.con3_for_pcie		= { 0x000c, 15, 0, 0x00, 0x0200 },
+	.con0_for_sata		= { 0x0000, 15, 0, 0x00, 0x0119 },
+	.con1_for_sata		= { 0x0004, 15, 0, 0x00, 0x0040 },
+	.con2_for_sata		= { 0x0008, 15, 0, 0x00, 0x80c3 },
+	.con3_for_sata		= { 0x000c, 15, 0, 0x00, 0x4407 },
+	/* pipe-grf */
+	.pipe_con0_for_sata	= { 0x0000, 15, 0, 0x00, 0x2220 },
+	.pipe_sgmii_mac_sel	= { 0x0040, 1, 1, 0x00, 0x01 },
+	.pipe_xpcs_phy_ready	= { 0x0040, 2, 2, 0x00, 0x01 },
+	.u3otg0_port_en		= { 0x0104, 15, 0, 0x0181, 0x1100 },
+	.u3otg1_port_en		= { 0x0144, 15, 0, 0x0181, 0x1100 },
+};
+
+static const struct clk_bulk_data rk3568_clks[] = {
+	{ .id = "refclk" },
+	{ .id = "apbclk" },
+	{ .id = "pipe_clk" },
+};
+
+static const struct rockchip_combphy_cfg rk3568_combphy_cfgs = {
+	.num_clks	= ARRAY_SIZE(rk3568_clks),
+	.clks		= rk3568_clks,
+	.grfcfg		= &rk3568_combphy_grfcfgs,
+	.combphy_cfg	= rk3568_combphy_cfg,
+};
+
+static const struct of_device_id rockchip_combphy_of_match[] = {
+	{
+		.compatible = "rockchip,rk3568-naneng-combphy",
+		.data = &rk3568_combphy_cfgs,
+	},
+	{ },
+};
+
+static struct driver_d rockchip_combphy_driver = {
+	.probe	= rockchip_combphy_probe,
+	.name = "naneng-combphy",
+	.of_compatible = rockchip_combphy_of_match,
+};
+coredevice_platform_driver(rockchip_combphy_driver);
diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index be44067c8f..9b832c97d6 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -332,63 +332,52 @@ static struct gpio_ops rockchip_gpio_ops = {
 	.get_direction = rockchip_gpiov2_get_direction,
 };
 
-static int rockchip_gpiolib_register(struct device_d *dev,
-				     struct rockchip_pinctrl *info)
+static int rockchip_gpio_probe(struct device_d *dev)
 {
+	struct rockchip_pinctrl *info = dev->parent->priv;
 	struct rockchip_pin_ctrl *ctrl = info->ctrl;
-	struct rockchip_pin_bank *bank = ctrl->pin_banks;
+	struct rockchip_pin_bank *bank;
+	struct gpio_chip *gpio;
 	void __iomem *reg_base;
-	int ret;
-	int i;
+	int ret, bankno;
 
-	for (i = 0; i < ctrl->nr_banks; ++i, ++bank) {
-		struct gpio_chip *gpio = &bank->bgpio_chip.gc;
+	bankno = of_alias_get_id(dev->device_node, "gpio");
+	bank = &ctrl->pin_banks[bankno];
+	gpio = &bank->bgpio_chip.gc;
 
-		if (!bank->valid) {
-			dev_warn(dev, "bank %s is not valid\n", bank->name);
-			continue;
-		}
+	if (!bank->valid)
+		dev_warn(dev, "bank %s is not valid\n", bank->name);
 
-		reg_base = bank->reg_base;
-
-		if (ctrl->type == RK3568) {
-			gpio->ngpio = 32;
-			gpio->dev = dev;
-			gpio->ops = &rockchip_gpio_ops;
-			gpio->base = of_alias_get_id(bank->of_node, "gpio");
-			if (gpio->base < 0)
-				return -EINVAL;
-			gpio->base *= 32;
-		} else {
-			ret = bgpio_init(&bank->bgpio_chip, dev, 4,
-					 reg_base + RK_GPIO_EXT_PORT,
-					 reg_base + RK_GPIO_SWPORT_DR, NULL,
-					 reg_base + RK_GPIO_SWPORT_DDR, NULL, 0);
-			if (ret)
-				goto fail;
-		}
+	reg_base = bank->reg_base;
 
-		bank->bgpio_chip.gc.dev = of_find_device_by_node(bank->of_node);
+	if (ctrl->type == RK3568) {
+		gpio->ngpio = 32;
+		gpio->dev = dev;
+		gpio->ops = &rockchip_gpio_ops;
+		gpio->base = bankno;
+		if (gpio->base < 0)
+			return -EINVAL;
+		gpio->base *= 32;
+	} else {
+		ret = bgpio_init(&bank->bgpio_chip, dev, 4,
+				 reg_base + RK_GPIO_EXT_PORT,
+				 reg_base + RK_GPIO_SWPORT_DR, NULL,
+				 reg_base + RK_GPIO_SWPORT_DDR, NULL, 0);
+		if (ret)
+			return ret;
+	}
 
-		bank->bgpio_chip.gc.ngpio = bank->nr_pins;
-		ret = gpiochip_add(&bank->bgpio_chip.gc);
-		if (ret) {
-			dev_err(dev, "failed to register gpio_chip %s, error code: %d\n",
-				bank->name, ret);
-			goto fail;
-		}
+	bank->bgpio_chip.gc.dev = dev;
 
+	bank->bgpio_chip.gc.ngpio = bank->nr_pins;
+	ret = gpiochip_add(&bank->bgpio_chip.gc);
+	if (ret) {
+		dev_err(dev, "failed to register gpio_chip %s, error code: %d\n",
+			bank->name, ret);
+		return ret;
 	}
 
 	return 0;
-fail:
-	for (--i, --bank; i >= 0; --i, --bank) {
-		if (!bank->valid)
-			continue;
-
-		gpiochip_remove(&bank->bgpio_chip.gc);
-	}
-	return ret;
 }
 
 static struct rockchip_pinctrl *to_rockchip_pinctrl(struct pinctrl_device *pdev)
@@ -1010,8 +999,6 @@ static int rockchip_pinctrl_probe(struct device_d *dev)
 	struct rockchip_pin_ctrl *ctrl;
 	int ret;
 
-	of_platform_populate(dev->device_node, NULL, NULL);
-
 	info = xzalloc(sizeof(struct rockchip_pinctrl));
 
 	ctrl = rockchip_pinctrl_get_soc_data(info, dev);
@@ -1038,9 +1025,9 @@ static int rockchip_pinctrl_probe(struct device_d *dev)
 	info->pctl_dev.dev = dev;
 	info->pctl_dev.ops = &rockchip_pinctrl_ops;
 
-	ret = rockchip_gpiolib_register(dev, info);
-	if (ret)
-		return ret;
+	dev->priv = info;
+
+	of_platform_populate(dev->device_node, NULL, dev);
 
 	if (!IS_ENABLED(CONFIG_PINCTRL))
 		return 0;
@@ -1282,3 +1269,20 @@ static struct driver_d rockchip_pinctrl_driver = {
 };
 
 core_platform_driver(rockchip_pinctrl_driver);
+
+static struct of_device_id rockchip_gpio_dt_match[] = {
+	{
+		.compatible = "rockchip,gpio-bank",
+		.data = &rk2928_pin_ctrl,
+	}, {
+		/* sentinel */
+	}
+};
+
+static struct driver_d rockchip_gpio_driver = {
+	.name = "rockchip-gpio",
+	.probe = rockchip_gpio_probe,
+	.of_compatible = DRV_OF_COMPAT(rockchip_gpio_dt_match),
+};
+
+core_platform_driver(rockchip_gpio_driver);
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index f416acc999..49deaf4d98 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -643,14 +643,14 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, unsigned int action)
 		/* Initialize the TRB ring */
 		dep->trb_dequeue = 0;
 		dep->trb_enqueue = 0;
-		memset(dep->trb_pool, 0,
+		memset_io(dep->trb_pool, 0,
 		       sizeof(struct dwc3_trb) * DWC3_TRB_NUM);
 
 		/* Link TRB. The HWO bit is never reset */
 		trb_st_hw = &dep->trb_pool[0];
 
 		trb_link = &dep->trb_pool[DWC3_TRB_NUM - 1];
-		memset(trb_link, 0, sizeof(*trb_link));
+		memset_io(trb_link, 0, sizeof(*trb_link));
 
 		trb_link->bpl = lower_32_bits(dwc3_trb_dma_offset(dep,
 								 trb_st_hw));
@@ -2908,10 +2908,10 @@ static void dwc3_gadget_poll(struct usb_gadget * g)
 	buf = xzalloc(count);
 
 	amount = min(count, evt->length - evt->lpos);
-	memcpy(buf, evt->buf + evt->lpos, amount);
+	memcpy_fromio(buf, evt->buf + evt->lpos, amount);
 
 	if (amount < count)
-		memcpy(buf + amount, evt->buf, count - amount);
+		memcpy_fromio(buf + amount, evt->buf, count - amount);
 
 	evt->lpos = (evt->lpos + count) % evt->length;
 
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 8c4da9fd12..4dd4d1dddb 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -32,6 +32,8 @@
 #include <usb/ehci.h>
 #include <linux/err.h>
 #include <linux/sizes.h>
+#include <linux/clk.h>
+#include <linux/phy/phy.h>
 
 #include "ehci.h"
 
@@ -1413,6 +1415,9 @@ static int ehci_probe(struct device_d *dev)
 	struct ehci_platform_data *pdata = dev->platform_data;
 	struct device_node *dn = dev->device_node;
 	struct ehci_host *ehci;
+	struct clk_bulk_data *clks;
+	int num_clocks, ret;
+	struct phy *usb2_generic_phy;
 
 	if (pdata)
 		data.flags = pdata->flags;
@@ -1440,6 +1445,27 @@ static int ehci_probe(struct device_d *dev)
 	else
 		data.hcor = NULL;
 
+	usb2_generic_phy = phy_optional_get(dev, "usb");
+	if (IS_ERR(usb2_generic_phy))
+		return PTR_ERR(usb2_generic_phy);
+
+	ret = phy_init(usb2_generic_phy);
+	if (ret)
+		return ret;
+
+	ret = phy_power_on(usb2_generic_phy);
+	if (ret)
+		return ret;
+
+	ret = clk_bulk_get_all(dev, &clks);
+	if (ret < 0)
+		return ret;
+
+	num_clocks = ret;
+	ret = clk_bulk_enable(num_clocks, clks);
+	if (ret)
+		return ret;
+
 	ehci = ehci_register(dev, &data);
 	if (IS_ERR(ehci))
 		return PTR_ERR(ehci);