Merge branch 'for-next/powerpc'

13 files changed, 761 insertions, 5 deletions

diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile
index 9fe458e0a3..e9e9163d58 100644
--- a/arch/arm/boards/Makefile
+++ b/arch/arm/boards/Makefile
@@ -129,6 +129,7 @@ obj-$(CONFIG_MACH_SOCFPGA_TERASIC_SOCKIT)	+= terasic-sockit/
 obj-$(CONFIG_MACH_SOLIDRUN_CUBOX)		+= solidrun-cubox/
 obj-$(CONFIG_MACH_SOLIDRUN_MICROSOM)		+= solidrun-microsom/
 obj-$(CONFIG_MACH_STM32MP157C_DK2)		+= stm32mp157c-dk2/
+obj-$(CONFIG_MACH_LXA_MC1)			+= lxa-mc1/
 obj-$(CONFIG_MACH_TECHNEXION_PICO_HOBBIT)	+= technexion-pico-hobbit/
 obj-$(CONFIG_MACH_TECHNEXION_WANDBOARD)		+= technexion-wandboard/
 obj-$(CONFIG_MACH_TNY_A9260)			+= tny-a926x/
diff --git a/arch/arm/boards/lxa-mc1/Makefile b/arch/arm/boards/lxa-mc1/Makefile
new file mode 100644
index 0000000000..092c31d6b2
--- /dev/null
+++ b/arch/arm/boards/lxa-mc1/Makefile
@@ -0,0 +1,2 @@
+lwl-y += lowlevel.o
+obj-y += board.o
diff --git a/arch/arm/boards/lxa-mc1/board.c b/arch/arm/boards/lxa-mc1/board.c
new file mode 100644
index 0000000000..7f1f3ccd7e
--- /dev/null
+++ b/arch/arm/boards/lxa-mc1/board.c
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0+
+#include <common.h>
+#include <linux/sizes.h>
+#include <init.h>
+#include <asm/memory.h>
+#include <mach/bbu.h>
+#include <bootsource.h>
+#include <of.h>
+
+static int of_fixup_regulator_supply_disable(struct device_node *root, void *path)
+{
+	struct device_node *node;
+	struct property *prop;
+
+	node = of_find_node_by_path_from(root, path);
+	if (!node) {
+		pr_warn("fixup for %s failed: not found\n", (const char *)path);
+		return -ENOENT;
+	}
+
+	if (!of_property_read_bool(node, "regulator-always-on"))
+		return 0;
+
+	prop = of_find_property(node, "vin-supply", NULL);
+	if (prop)
+		of_delete_property(prop);
+
+	return 0;
+}
+
+static int mc1_device_init(void)
+{
+	int flags;
+	if (!of_machine_is_compatible("lxa,stm32mp157c-mc1"))
+		return 0;
+
+	flags = bootsource_get_instance() == 0 ? BBU_HANDLER_FLAG_DEFAULT : 0;
+	stm32mp_bbu_mmc_register_handler("sd", "/dev/mmc0.ssbl", flags);
+
+	flags = bootsource_get_instance() == 1 ? BBU_HANDLER_FLAG_DEFAULT : 0;
+	stm32mp_bbu_mmc_register_handler("emmc", "/dev/mmc1.ssbl", flags);
+
+
+	if (bootsource_get_instance() == 0)
+		of_device_enable_path("/chosen/environment-sd");
+	else
+		of_device_enable_path("/chosen/environment-emmc");
+
+	barebox_set_hostname("lxa-mc1");
+
+	/* The regulator is powered by the PMIC, but is always on as far as
+	 * software is concerned. Break the reference to the PMIC, so the OS
+	 * doesn't need to defer SDMMC/Ethernet peripherals till after the PMIC
+	 * is up.
+	 */
+	return of_register_fixup(of_fixup_regulator_supply_disable, "/regulator_3v3");
+}
+device_initcall(mc1_device_init);
diff --git a/arch/arm/boards/lxa-mc1/lowlevel.c b/arch/arm/boards/lxa-mc1/lowlevel.c
new file mode 100644
index 0000000000..274f824a16
--- /dev/null
+++ b/arch/arm/boards/lxa-mc1/lowlevel.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0+
+#include <common.h>
+#include <mach/entry.h>
+#include <debug_ll.h>
+
+extern char __dtb_z_stm32mp157c_lxa_mc1_start[];
+
+static void setup_uart(void)
+{
+	/* first stage has set up the UART, so nothing to do here */
+	putc_ll('>');
+}
+
+ENTRY_FUNCTION(start_stm32mp157c_lxa_mc1, r0, r1, r2)
+{
+	void *fdt;
+
+	stm32mp_cpu_lowlevel_init();
+
+	if (IS_ENABLED(CONFIG_DEBUG_LL))
+		setup_uart();
+
+	fdt = __dtb_z_stm32mp157c_lxa_mc1_start + get_runtime_offset();
+
+	stm32mp1_barebox_entry(fdt);
+}
diff --git a/arch/arm/configs/stm32mp_defconfig b/arch/arm/configs/stm32mp_defconfig
index f69f9f966a..4b902e1741 100644
--- a/arch/arm/configs/stm32mp_defconfig
+++ b/arch/arm/configs/stm32mp_defconfig
@@ -1,5 +1,6 @@
 CONFIG_ARCH_STM32MP=y
 CONFIG_MACH_STM32MP157C_DK2=y
+CONFIG_MACH_LXA_MC1=y
 CONFIG_THUMB2_BAREBOX=y
 CONFIG_ARM_BOARD_APPEND_ATAG=y
 CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
@@ -27,13 +28,14 @@ CONFIG_PARTITION_DISK_EFI=y
 # CONFIG_PARTITION_DISK_EFI_GPT_COMPARE is not set
 CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW=y
 CONFIG_RESET_SOURCE=y
-CONFIG_MACHINE_ID=y
 CONFIG_CMD_DMESG=y
 CONFIG_LONGHELP=y
 CONFIG_CMD_IOMEM=y
 CONFIG_CMD_IMD=y
 CONFIG_CMD_MEMINFO=y
 CONFIG_CMD_ARM_MMUINFO=y
+CONFIG_CMD_REGULATOR=y
+CONFIG_CMD_MMC=y
 # CONFIG_CMD_BOOTU is not set
 CONFIG_CMD_GO=y
 CONFIG_CMD_RESET=y
@@ -73,8 +75,10 @@ CONFIG_CMD_DETECT=y
 CONFIG_CMD_FLASH=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_LED=y
+CONFIG_CMD_POWEROFF=y
 CONFIG_CMD_WD=y
 CONFIG_CMD_BAREBOX_UPDATE=y
+CONFIG_CMD_OF_DIFF=y
 CONFIG_CMD_OF_NODE=y
 CONFIG_CMD_OF_PROPERTY=y
 CONFIG_CMD_OFTREE=y
@@ -84,8 +88,6 @@ CONFIG_NET_NETCONSOLE=y
 CONFIG_OFDEVICE=y
 CONFIG_OF_BAREBOX_DRIVERS=y
 CONFIG_DRIVER_SERIAL_STM32=y
-CONFIG_DRIVER_NET_DESIGNWARE=y
-CONFIG_DRIVER_NET_DESIGNWARE_GENERIC=y
 CONFIG_DRIVER_NET_DESIGNWARE_EQOS=y
 CONFIG_DRIVER_NET_DESIGNWARE_STM32=y
 CONFIG_AT803X_PHY=y
@@ -94,23 +96,40 @@ CONFIG_REALTEK_PHY=y
 # CONFIG_SPI is not set
 CONFIG_I2C=y
 CONFIG_I2C_STM32=y
+CONFIG_VIDEO=y
+CONFIG_DRIVER_VIDEO_BACKLIGHT=y
+CONFIG_DRIVER_VIDEO_SIMPLE_PANEL=y
 CONFIG_MCI=y
 CONFIG_MCI_STARTUP=y
+CONFIG_MCI_MMC_BOOT_PARTITIONS=y
 CONFIG_MCI_STM32_SDMMC2=y
 CONFIG_MFD_STPMIC1=y
+CONFIG_MFD_STM32_TIMERS=y
 CONFIG_LED=y
 CONFIG_LED_GPIO=y
+CONFIG_LED_PWM=y
 CONFIG_LED_GPIO_OF=y
+CONFIG_EEPROM_AT24=y
+CONFIG_KEYBOARD_GPIO=y
+CONFIG_INPUT_SPECIALKEYS=y
 CONFIG_WATCHDOG=y
 CONFIG_WATCHDOG_POLLER=y
 CONFIG_STM32_IWDG_WATCHDOG=y
 CONFIG_STPMIC1_WATCHDOG=y
-CONFIG_NVMEM=y
+CONFIG_PWM=y
+CONFIG_PWM_STM32=y
+CONFIG_HWRNG=y
+CONFIG_HWRNG_STM32=y
 CONFIG_STM32_BSEC=y
 CONFIG_REGULATOR=y
 CONFIG_REGULATOR_FIXED=y
+CONFIG_REGULATOR_STM32_PWR=y
 CONFIG_REGULATOR_STPMIC1=y
+CONFIG_REMOTEPROC=y
+CONFIG_STM32_REMOTEPROC=y
 CONFIG_RESET_STM32=y
+CONFIG_GENERIC_PHY=y
+CONFIG_PHY_STM32_USBPHYC=y
 CONFIG_FS_EXT4=y
 CONFIG_FS_TFTP=y
 CONFIG_FS_NFS=y
@@ -119,4 +138,3 @@ CONFIG_FS_FAT_WRITE=y
 CONFIG_FS_FAT_LFN=y
 CONFIG_ZLIB=y
 CONFIG_CRC8=y
-CONFIG_DIGEST_SHA1_ARM=y
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index ddfe64e83b..1aeaa61e01 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -94,6 +94,7 @@ lwl-dtb-$(CONFIG_MACH_SOLIDRUN_MICROSOM) += imx6dl-hummingboard.dtb.o imx6q-humm
 				imx6dl-hummingboard2.dtb.o imx6q-hummingboard2.dtb.o \
 				imx6q-h100.dtb.o
 lwl-dtb-$(CONFIG_MACH_STM32MP157C_DK2) += stm32mp157c-dk2.dtb.o
+lwl-dtb-$(CONFIG_MACH_LXA_MC1) += stm32mp157c-lxa-mc1.dtb.o
 lwl-dtb-$(CONFIG_MACH_SCB9328) += imx1-scb9328.dtb.o
 lwl-dtb-$(CONFIG_MACH_TECHNEXION_WANDBOARD) += imx6q-wandboard.dtb.o imx6dl-wandboard.dtb.o
 lwl-dtb-$(CONFIG_MACH_TECHNEXION_PICO_HOBBIT) += imx6ul-pico-hobbit.dtb.o
diff --git a/arch/arm/dts/at91-sama5d27_giantboard.dts b/arch/arm/dts/at91-sama5d27_giantboard.dts
index 940379e430..7e48fa18ae 100644
--- a/arch/arm/dts/at91-sama5d27_giantboard.dts
+++ b/arch/arm/dts/at91-sama5d27_giantboard.dts
@@ -17,6 +17,8 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/regulator/active-semi,8945a-regulator.h>
 
+#include "sama5d2.dtsi"
+
 / {
 	model = "Giant Board";
 	compatible = "groboards,sama5d27-giantboard", "atmel,sama5d27", "atmel,sama5d2", "atmel,sama5";
diff --git a/arch/arm/dts/at91-sama5d27_som1_ek.dts b/arch/arm/dts/at91-sama5d27_som1_ek.dts
index 936f07eac4..cd038dc7c1 100644
--- a/arch/arm/dts/at91-sama5d27_som1_ek.dts
+++ b/arch/arm/dts/at91-sama5d27_som1_ek.dts
@@ -4,6 +4,7 @@
  */
 
 #include <arm/at91-sama5d27_som1_ek.dts>
+#include "sama5d2.dtsi"
 
 / {
 	chosen {
diff --git a/arch/arm/dts/sama5d2.dtsi b/arch/arm/dts/sama5d2.dtsi
index e69de29bb2..51e964fc0f 100644
--- a/arch/arm/dts/sama5d2.dtsi
+++ b/arch/arm/dts/sama5d2.dtsi
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+
+/ {
+	aliases {
+		mmc0 = &sdmmc0;
+		mmc1 = &sdmmc1;
+	};
+};
diff --git a/arch/arm/dts/stm32mp157c-lxa-mc1.dts b/arch/arm/dts/stm32mp157c-lxa-mc1.dts
new file mode 100644
index 0000000000..57baaf4005
--- /dev/null
+++ b/arch/arm/dts/stm32mp157c-lxa-mc1.dts
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (C) 2020 Ahmad Fatoum, Pengutronix
+ */
+
+#include "stm32mp157c-lxa-mc1.dtsi"
+#include "stm32mp151.dtsi"
+
+/ {
+	chosen {
+		environment-sd {
+			compatible = "barebox,environment";
+			device-path = &sdmmc1, "partname:barebox-environment";
+			status = "disabled";
+		};
+
+		environment-emmc {
+			compatible = "barebox,environment";
+			device-path = &sdmmc2, "partname:barebox-environment";
+			status = "disabled";
+		};
+	};
+
+};
+
+&panel {
+	display-timings {
+		timing { /* edt,etm0700g0dh6 */
+			clock-frequency = <33260000>;
+			hactive = <800>;
+			vactive = <480>;
+			hfront-porch = <40>;
+			hsync-len = <128>;
+			hback-porch = <88>;
+			vfront-porch = <10>;
+			vsync-len = <2>;
+			vback-porch = <33>;
+			hsync-active = <0>;
+			vsync-active = <0>;
+			de-active = <1>;
+			pixelclk-active = <0>;
+		};
+	};
+};
diff --git a/arch/arm/dts/stm32mp157c-lxa-mc1.dtsi b/arch/arm/dts/stm32mp157c-lxa-mc1.dtsi
new file mode 100644
index 0000000000..6603cf280e
--- /dev/null
+++ b/arch/arm/dts/stm32mp157c-lxa-mc1.dtsi
@@ -0,0 +1,362 @@
+/* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) */
+/*
+ * Copyright (C) 2020 STMicroelectronics - All Rights Reserved
+ * Copyright (C) 2020 Ahmad Fatoum, Pengutronix
+ */
+
+/dts-v1/;
+
+#include <arm/stm32mp157.dtsi>
+#include "stm32mp15xx-osd32.dtsi"
+#include <arm/stm32mp15xxac-pinctrl.dtsi>
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pwm/pwm.h>
+
+/ {
+	model = "Linux Automation MC-1 board";
+	compatible = "lxa,stm32mp157c-mc1", "st,stm32mp157";
+
+	aliases {
+		ethernet0 = &ethernet0;
+		mmc0 = &sdmmc1;
+		mmc1 = &sdmmc2;
+		serial0 = &uart4;
+	};
+
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&backlight_pwm 1 100000 PWM_POLARITY_INVERTED>;
+		brightness-levels = <0 31 63 95 127 159 191 223 255>;
+		default-brightness-level = <7>;
+		power-supply = <&reg_5v2>; /* 3V3_BACKLIGHT */
+	};
+
+	chosen {
+		stdout-path = &uart4;
+	};
+
+	led-act {
+		compatible = "gpio-leds";
+
+		led-green {
+			label = "mc1:green:act";
+			gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "heartbeat";
+		};
+	};
+
+	led-rgb {
+		compatible = "pwm-leds";
+
+		led-red {
+			label = "mc1:red:rgb";
+			pwms = <&leds_pwm 1 1000000 0>;
+			max-brightness = <255>;
+			active-low;
+		};
+
+		led-green {
+			label = "mc1:green:rgb";
+			pwms = <&leds_pwm 2 1000000 0>;
+			max-brightness = <255>;
+			active-low;
+		};
+
+		led-blue {
+			label = "mc1:blue:rgb";
+			pwms = <&leds_pwm 3 1000000 0>;
+			max-brightness = <255>;
+			active-low;
+		};
+	};
+
+	panel: panel {
+		compatible = "edt,etm0700g0edh6", "simple-panel";
+		backlight = <&backlight>;
+		enable-gpios = <&gpiod 4 GPIO_ACTIVE_HIGH>;
+		power-supply = <&reg_3v3>;
+
+		port {
+			panel_input: endpoint {
+				remote-endpoint = <&ltdc_ep0_out>;
+			};
+		};
+	};
+
+	reg_3v3: regulator_3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+		vin-supply = <&v3v3>;
+	};
+
+	/* supplied by either debug board or PoE */
+	reg_5v2: regulator_5v2 {
+		compatible = "regulator-fixed";
+		regulator-name = "5V2";
+		regulator-min-microvolt = <5200000>;
+		regulator-max-microvolt = <5200000>;
+		regulator-always-on;
+	};
+};
+
+&ethernet0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&ethernet0_rgmii_mc1pins_b>;
+	phy-mode = "rgmii-id";
+	phy-handle = <&ethphy>;
+	status = "okay";
+
+	mdio0 {
+		compatible = "snps,dwmac-mdio";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ethphy: ethernet-phy@3 { /* KSZ9031RN */
+			reg = <3>;
+			reset-gpios = <&gpiog 0 GPIO_ACTIVE_LOW>; /* ETH_RST# */
+			interrupt-parent = <&gpioa>;
+			interrupts = <6 IRQ_TYPE_EDGE_FALLING>; /* ETH_MDINT# */
+			rxc-skew-ps = <1860>;
+			txc-skew-ps = <1860>;
+			reset-assert-us = <10000>;
+			reset-deassert-us = <300>;
+			micrel,force-master;
+		};
+	};
+};
+
+&gpioz {
+	gpio-line-names = "HWID0", "HWID1", "HWID2", "HWID3", "", "",
+			  "HWID4", "HWID5";
+};
+
+&gpu {
+	status = "okay";
+};
+
+&i2c5 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c5_mc1pins_b>;
+	clock-frequency = <400000>;
+	status = "okay";
+
+	touchscreen@38 {
+		compatible = "edt,edt-ft5x06";
+		interrupt-parent = <&gpiod>;
+		interrupts = <11 IRQ_TYPE_EDGE_FALLING>; /* TOUCH_INT# */
+		vcc-supply = <&reg_3v3>;
+		reg = <0x38>;
+		reset-gpios = <&gpiof 8 GPIO_ACTIVE_LOW>; /* TOUCH_RESET# */
+		touchscreen-size-x = <1792>;
+		touchscreen-size-y = <1024>;
+		wakeup-source;
+	};
+};
+
+&ltdc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&ltdc_mc1pins_c>;
+	status = "okay";
+
+	port {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		ltdc_ep0_out: endpoint@0 {
+			reg = <0>;
+			remote-endpoint = <&panel_input>;
+		};
+	};
+};
+
+&pmic {
+	regulators {
+		buck4-supply = <&reg_5v2>;	/* VIN */
+		ldo2-supply = <&reg_5v2>;	/* PMIC_LDO25IN */
+		ldo5-supply = <&reg_5v2>;	/* PMIC_LDO25IN */
+		boost-supply = <&reg_5v2>;	/* PMIC_BSTIN */
+		pwr_sw2-supply = <&bst_out>;    /* PMIC_SWIN */
+	};
+};
+
+&sdmmc1 {
+	pinctrl-names = "default", "opendrain";
+	pinctrl-0 = <&sdmmc1_b4_pins_a>;
+	pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
+	bus-width = <4>;
+	cd-gpios = <&gpioh 3 GPIO_ACTIVE_LOW>;
+	disable-wp;
+	no-1-8-v;
+	st,neg-edge;
+	vmmc-supply = <&reg_3v3>;
+	status = "okay";
+};
+
+&sdmmc1_b4_pins_a {
+	/*
+	 * board lacks external pull-ups on SDMMC lines. Class 10 SD refuses to
+	 * work, thus enable internal pull-ups.
+	 */
+	pins1 {
+		/delete-property/ bias-disable;
+		bias-pull-up;
+	};
+	pins2 {
+		/delete-property/ bias-disable;
+		bias-pull-up;
+	};
+};
+
+&sdmmc2 {
+	pinctrl-names = "default", "opendrain";
+	pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_mc1pins_b>;
+	pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_mc1pins_b>;
+	bus-width = <8>;
+	no-1-8-v;
+	no-sd;
+	no-sdio;
+	non-removable;
+	st,neg-edge;
+	vmmc-supply = <&reg_3v3>;
+	status = "okay";
+};
+
+&timers3 {
+	status = "okay";
+
+	backlight_pwm: pwm {
+		pinctrl-names = "default";
+		pinctrl-0 = <&pwm3_mc1pins_b>;
+		status = "okay";
+	};
+};
+
+&timers5 {
+	status = "okay";
+
+	leds_pwm: pwm {
+		pinctrl-names = "default";
+		pinctrl-0 = <&pwm5_mc1pins_b>;
+		status = "okay";
+	};
+};
+
+&uart4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart4_pins_a>;
+	status = "okay";
+};
+
+&pinctrl {
+	ethernet0_rgmii_mc1pins_b: mc1-rgmii-1 {
+		pins1 {
+			pinmux = <STM32_PINMUX('G', 5, AF11)>, /* ETH_RGMII_CLK125 */
+				 <STM32_PINMUX('G', 4, AF11)>, /* ETH_RGMII_GTX_CLK */
+				 <STM32_PINMUX('G', 13, AF11)>, /* ETH_RGMII_TXD0 */
+				 <STM32_PINMUX('G', 14, AF11)>, /* ETH_RGMII_TXD1 */
+				 <STM32_PINMUX('C', 2, AF11)>, /* ETH_RGMII_TXD2 */
+				 <STM32_PINMUX('E', 2, AF11)>, /* ETH_RGMII_TXD3 */
+				 <STM32_PINMUX('B', 11, AF11)>, /* ETH_RGMII_TX_CTL */
+				 <STM32_PINMUX('C', 1, AF11)>; /* ETH_MDC */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <2>;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('A', 2, AF11)>; /* ETH_MDIO */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+		pins3 {
+			pinmux = <STM32_PINMUX('C', 4, AF11)>, /* ETH_RGMII_RXD0 */
+				 <STM32_PINMUX('C', 5, AF11)>, /* ETH_RGMII_RXD1 */
+				 <STM32_PINMUX('H', 6, AF11)>, /* ETH_RGMII_RXD2 */
+				 <STM32_PINMUX('H', 7, AF11)>, /* ETH_RGMII_RXD3 */
+				 <STM32_PINMUX('A', 1, AF11)>, /* ETH_RGMII_RX_CLK */
+				 <STM32_PINMUX('A', 7, AF11)>; /* ETH_RGMII_RX_CTL */
+			bias-disable;
+		};
+	};
+
+	i2c5_mc1pins_b: mc1-i2c5-1 {
+		pins {
+			pinmux = <STM32_PINMUX('D', 0, AF4)>, /* I2C5_SCL */
+			         <STM32_PINMUX('D', 1, AF4)>; /* I2C5_SDA */
+			bias-disable;
+			drive-open-drain;
+			slew-rate = <0>;
+		};
+	};
+
+	ltdc_mc1pins_c: mc1-ltdc-2 {
+		pins1 {
+			pinmux = <STM32_PINMUX('B',  1, AF9)>,  /* LTDC_R6 */
+				 <STM32_PINMUX('B',  9, AF14)>, /* LTDC_B7 */
+				 <STM32_PINMUX('C',  0, AF14)>, /* LTDC_R5 */
+				 <STM32_PINMUX('D',  3, AF14)>, /* LTDC_G7 */
+				 <STM32_PINMUX('D',  6, AF14)>, /* LTDC_B2 */
+				 <STM32_PINMUX('D', 10, AF14)>, /* LTDC_B3 */
+				 <STM32_PINMUX('E', 11, AF14)>, /* LTDC_G3 */
+				 <STM32_PINMUX('E', 12, AF14)>, /* LTDC_B4 */
+				 <STM32_PINMUX('E', 13, AF14)>, /* LTDC_DE */
+				 <STM32_PINMUX('E', 15, AF14)>, /* LTDC_R7 */
+				 <STM32_PINMUX('H',  4, AF9)>,  /* LTDC_G5 */
+				 <STM32_PINMUX('H',  8, AF14)>, /* LTDC_R2 */
+				 <STM32_PINMUX('H',  9, AF14)>, /* LTDC_R3 */
+				 <STM32_PINMUX('H', 10, AF14)>, /* LTDC_R4 */
+				 <STM32_PINMUX('H', 13, AF14)>, /* LTDC_G2 */
+				 <STM32_PINMUX('H', 15, AF14)>, /* LTDC_G4 */
+				 <STM32_PINMUX('I',  1, AF14)>, /* LTDC_G6 */
+				 <STM32_PINMUX('I',  5, AF14)>, /* LTDC_B5 */
+				 <STM32_PINMUX('I',  6, AF14)>, /* LTDC_B6 */
+				 <STM32_PINMUX('I',  9, AF14)>, /* LTDC_VSYNC */
+				 <STM32_PINMUX('I', 10, AF14)>; /* LTDC_HSYNC */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('E', 14, AF14)>; /* LTDC_CLK */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <1>;
+		};
+	};
+
+	pwm3_mc1pins_b: mc1-pwm3-1 {
+		pins {
+			pinmux = <STM32_PINMUX('B', 5, AF2)>; /* TIM3_CH2 */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+	};
+
+	pwm5_mc1pins_b: mc1-pwm5-1 {
+		pins {
+			pinmux = <STM32_PINMUX('H', 11, AF2)>, /* TIM5_CH2 */
+				 <STM32_PINMUX('H', 12, AF2)>, /* TIM5_CH3 */
+				 <STM32_PINMUX('I', 0, AF2)>; /* TIM5_CH4 */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+	};
+
+	sdmmc2_d47_mc1pins_b: mc1-sdmmc2-d47-1 {
+		pins {
+			pinmux = <STM32_PINMUX('A', 8, AF9)>,  /* SDMMC2_D4 */
+				 <STM32_PINMUX('A', 9, AF10)>, /* SDMMC2_D5 */
+				 <STM32_PINMUX('C', 6, AF10)>, /* SDMMC2_D6 */
+				 <STM32_PINMUX('C', 7, AF10)>; /* SDMMC2_D7 */
+			slew-rate = <1>;
+			drive-push-pull;
+			bias-disable;
+		};
+	};
+
+};
diff --git a/arch/arm/dts/stm32mp15xx-osd32.dtsi b/arch/arm/dts/stm32mp15xx-osd32.dtsi
new file mode 100644
index 0000000000..8750835033
--- /dev/null
+++ b/arch/arm/dts/stm32mp15xx-osd32.dtsi
@@ -0,0 +1,229 @@
+/* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) */
+/*
+ * Copyright (C) 2020 STMicroelectronics - All Rights Reserved
+ * Copyright (C) 2020 Ahmad Fatoum, Pengutronix
+ */
+
+#include <arm/stm32mp15-pinctrl.dtsi>
+
+#include <dt-bindings/mfd/st,stpmic1.h>
+
+/ {
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		mcuram2: mcuram2@10000000 {
+			compatible = "shared-dma-pool";
+			reg = <0x10000000 0x40000>;
+			no-map;
+		};
+
+		vdev0vring0: vdev0vring0@10040000 {
+			compatible = "shared-dma-pool";
+			reg = <0x10040000 0x1000>;
+			no-map;
+		};
+
+		vdev0vring1: vdev0vring1@10041000 {
+			compatible = "shared-dma-pool";
+			reg = <0x10041000 0x1000>;
+			no-map;
+		};
+
+		vdev0buffer: vdev0buffer@10042000 {
+			compatible = "shared-dma-pool";
+			reg = <0x10042000 0x4000>;
+			no-map;
+		};
+
+		mcuram: mcuram@30000000 {
+			compatible = "shared-dma-pool";
+			reg = <0x30000000 0x40000>;
+			no-map;
+		};
+
+		retram: retram@38000000 {
+			compatible = "shared-dma-pool";
+			reg = <0x38000000 0x10000>;
+			no-map;
+		};
+	};
+
+	reg_sip_eeprom: regulator_eeprom {
+		compatible = "regulator-fixed";
+		regulator-name = "sip_eeprom";
+		regulator-always-on;
+	};
+};
+
+&i2c4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c4_pins_a>;
+	clock-frequency = <400000>;
+	i2c-scl-rising-time-ns = <185>;
+	i2c-scl-falling-time-ns = <20>;
+	status = "okay";
+
+	pmic: stpmic@33 {
+		compatible = "st,stpmic1";
+		reg = <0x33>;
+		interrupts-extended = <&gpioa 0 IRQ_TYPE_EDGE_FALLING>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+
+		regulators {
+			compatible = "st,stpmic1-regulators";
+
+			ldo1-supply = <&v3v3>;
+			ldo6-supply = <&v3v3>;
+			pwr_sw1-supply = <&bst_out>;
+
+			vddcore: buck1 {
+				regulator-name = "vddcore";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-always-on;
+				regulator-initial-mode = <0>;
+				regulator-over-current-protection;
+			};
+
+			vdd_ddr: buck2 {
+				regulator-name = "vdd_ddr";
+				regulator-min-microvolt = <1350000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-always-on;
+				regulator-initial-mode = <0>;
+				regulator-over-current-protection;
+			};
+
+			vdd: buck3 {
+				regulator-name = "vdd";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+				st,mask-reset;
+				regulator-initial-mode = <0>;
+				regulator-over-current-protection;
+			};
+
+			v3v3: buck4 {
+				regulator-name = "v3v3";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+				regulator-over-current-protection;
+				regulator-initial-mode = <0>;
+			};
+
+			v1v8_audio: ldo1 {
+				regulator-name = "v1v8_audio";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+				interrupts = <IT_CURLIM_LDO1 0>;
+
+			};
+
+			v3v3_hdmi: ldo2 {
+				regulator-name = "v3v3_hdmi";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+				interrupts = <IT_CURLIM_LDO2 0>;
+
+			};
+
+			vtt_ddr: ldo3 {
+				regulator-name = "vtt_ddr";
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <750000>;
+				regulator-always-on;
+				regulator-over-current-protection;
+			};
+
+			vdd_usb: ldo4 {
+				regulator-name = "vdd_usb";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				interrupts = <IT_CURLIM_LDO4 0>;
+			};
+
+			vdda: ldo5 {
+				regulator-name = "vdda";
+				regulator-min-microvolt = <2900000>;
+				regulator-max-microvolt = <2900000>;
+				interrupts = <IT_CURLIM_LDO5 0>;
+				regulator-boot-on;
+			};
+
+			v1v2_hdmi: ldo6 {
+				regulator-name = "v1v2_hdmi";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+				regulator-always-on;
+				interrupts = <IT_CURLIM_LDO6 0>;
+
+			};
+
+			vref_ddr: vref_ddr {
+				regulator-name = "vref_ddr";
+				regulator-always-on;
+				regulator-over-current-protection;
+			};
+
+			bst_out: boost {
+				regulator-name = "bst_out";
+				interrupts = <IT_OCP_BOOST 0>;
+			};
+
+			vbus_otg: pwr_sw1 {
+				regulator-name = "vbus_otg";
+				interrupts = <IT_OCP_OTG 0>;
+				regulator-active-discharge;
+			};
+
+			vbus_sw: pwr_sw2 {
+				regulator-name = "vbus_sw";
+				interrupts = <IT_OCP_SWOUT 0>;
+				regulator-active-discharge;
+			};
+		};
+
+		onkey {
+			compatible = "st,stpmic1-onkey";
+			interrupts = <IT_PONKEY_F 0>, <IT_PONKEY_R 1>;
+			interrupt-names = "onkey-falling", "onkey-rising";
+		};
+
+		pmic_watchdog: watchdog {
+			compatible = "st,stpmic1-wdt";
+			status = "disabled";
+		};
+	};
+
+	sip_eeprom: eeprom@50 {
+		compatible = "atmel,24c32";
+		vcc-supply = <&reg_sip_eeprom>;
+		reg = <0x50>;
+	};
+};
+
+&ipcc {
+	status = "okay";
+};
+
+&m4_rproc {
+	memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
+			<&vdev0vring1>, <&vdev0buffer>;
+	mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
+	mbox-names = "vq0", "vq1", "shutdown";
+	interrupt-parent = <&exti>;
+	interrupts = <68 1>;
+	status = "okay";
+};
+
+&rng1 {
+	status = "okay";
+};
diff --git a/arch/arm/mach-stm32mp/Kconfig b/arch/arm/mach-stm32mp/Kconfig
index 9b55a3d218..6e816ef9d1 100644
--- a/arch/arm/mach-stm32mp/Kconfig
+++ b/arch/arm/mach-stm32mp/Kconfig
@@ -12,4 +12,8 @@ config MACH_STM32MP157C_DK2
 	select ARCH_STM32MP157
 	bool "STM32MP157C-DK2 board"
 
+config MACH_LXA_MC1
+	select ARCH_STM32MP157
+	bool "Linux Automation MC-1 board"
+
 endif