Commit 666b5ca8 authored by Ahmad Fatoum's avatar Ahmad Fatoum Committed by Alexandre Torgue
Browse files

ARM: dts: stm32: add STM32MP1-based Linux Automation MC-1 board 



The Linux Automation MC-1 is a SBC built around the Octavo Systems
OSD32MP15x SiP. The SiP features up to 1 GB DDR3 RAM, EEPROM and
a PMIC. The board has eMMC and a SD slot for storage and GbE
for both connectivity and power.

Signed-off-by: default avatarAhmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: default avatarAlexandre Torgue <alexandre.torgue@st.com>
parent f0b06064

arch/arm/boot/dts/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -1033,7 +1033,8 @@ dtb-$(CONFIG_ARCH_STM32) += \ 
	stm32mp157c-dhcom-pdk2.dtb \

	stm32mp157c-dk2.dtb \

	stm32mp157c-ed1.dtb \

	stm32mp157c-ev1.dtb

	stm32mp157c-ev1.dtb \

	stm32mp157c-lxa-mc1.dtb

dtb-$(CONFIG_MACH_SUN4I) += \

	sun4i-a10-a1000.dtb \

	sun4i-a10-ba10-tvbox.dtb \

arch/arm/boot/dts/stm32mp15-pinctrl.dtsi

+185 −0
Original line number Diff line number Diff line
@@ -162,6 +162,57 @@ 
		};

	};



	ethernet0_rgmii_pins_b: 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;

		};

	};



	ethernet0_rgmii_sleep_pins_b: rgmii-sleep-1 {

		pins1 {

			pinmux = <STM32_PINMUX('G', 5, ANALOG)>, /* ETH_RGMII_CLK125 */

				 <STM32_PINMUX('G', 4, ANALOG)>, /* ETH_RGMII_GTX_CLK */

				 <STM32_PINMUX('G', 13, ANALOG)>, /* ETH_RGMII_TXD0 */

				 <STM32_PINMUX('G', 14, ANALOG)>, /* ETH_RGMII_TXD1 */

				 <STM32_PINMUX('C', 2, ANALOG)>, /* ETH_RGMII_TXD2 */

				 <STM32_PINMUX('E', 2, ANALOG)>, /* ETH_RGMII_TXD3 */

				 <STM32_PINMUX('B', 11, ANALOG)>, /* ETH_RGMII_TX_CTL */

				 <STM32_PINMUX('C', 1, ANALOG)>, /* ETH_MDC */

			         <STM32_PINMUX('A', 2, ANALOG)>, /* ETH_MDIO */

			         <STM32_PINMUX('C', 4, ANALOG)>, /* ETH_RGMII_RXD0 */

				 <STM32_PINMUX('C', 5, ANALOG)>, /* ETH_RGMII_RXD1 */

				 <STM32_PINMUX('H', 6, ANALOG)>, /* ETH_RGMII_RXD2 */

				 <STM32_PINMUX('H', 7, ANALOG)>, /* ETH_RGMII_RXD3 */

				 <STM32_PINMUX('A', 1, ANALOG)>, /* ETH_RGMII_RX_CLK */

				 <STM32_PINMUX('A', 7, ANALOG)>; /* ETH_RGMII_RX_CTL */

		 };

	};



	ethernet0_rmii_pins_a: rmii-0 {

		pins1 {

			pinmux = <STM32_PINMUX('G', 13, AF11)>, /* ETH1_RMII_TXD0 */
@@ -324,6 +375,23 @@ 
		};

	};



	i2c5_pins_b: 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>;

		};

	};



	i2c5_sleep_pins_b: i2c5-sleep-1 {

		pins {

			pinmux = <STM32_PINMUX('D', 0, ANALOG)>, /* I2C5_SCL */

			         <STM32_PINMUX('D', 1, ANALOG)>; /* I2C5_SDA */

		};

	};



	i2s2_pins_a: i2s2-0 {

		pins {

			pinmux = <STM32_PINMUX('I', 3, AF5)>, /* I2S2_SDO */
@@ -481,6 +549,68 @@ 
		};

	};



	ltdc_pins_c: 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>;

		};

	};



	ltdc_sleep_pins_c: ltdc-sleep-2 {

		pins1 {

			pinmux = <STM32_PINMUX('B', 1, ANALOG)>,  /* LTDC_R6 */

				 <STM32_PINMUX('B', 9, ANALOG)>, /* LTDC_B7 */

				 <STM32_PINMUX('C', 0, ANALOG)>, /* LTDC_R5 */

				 <STM32_PINMUX('D', 3, ANALOG)>, /* LTDC_G7 */

				 <STM32_PINMUX('D', 6, ANALOG)>, /* LTDC_B2 */

				 <STM32_PINMUX('D', 10, ANALOG)>, /* LTDC_B3 */

				 <STM32_PINMUX('E', 11, ANALOG)>, /* LTDC_G3 */

				 <STM32_PINMUX('E', 12, ANALOG)>, /* LTDC_B4 */

				 <STM32_PINMUX('E', 13, ANALOG)>, /* LTDC_DE */

				 <STM32_PINMUX('E', 15, ANALOG)>, /* LTDC_R7 */

				 <STM32_PINMUX('H', 4, ANALOG)>,  /* LTDC_G5 */

				 <STM32_PINMUX('H', 8, ANALOG)>, /* LTDC_R2 */

				 <STM32_PINMUX('H', 9, ANALOG)>, /* LTDC_R3 */

				 <STM32_PINMUX('H', 10, ANALOG)>, /* LTDC_R4 */

				 <STM32_PINMUX('H', 13, ANALOG)>, /* LTDC_G2 */

				 <STM32_PINMUX('H', 15, ANALOG)>, /* LTDC_G4 */

				 <STM32_PINMUX('I', 1, ANALOG)>, /* LTDC_G6 */

				 <STM32_PINMUX('I', 5, ANALOG)>, /* LTDC_B5 */

				 <STM32_PINMUX('I', 6, ANALOG)>, /* LTDC_B6 */

				 <STM32_PINMUX('I', 9, ANALOG)>, /* LTDC_VSYNC */

				 <STM32_PINMUX('I', 10, ANALOG)>, /* LTDC_HSYNC */

				 <STM32_PINMUX('E', 14, ANALOG)>; /* LTDC_CLK */

		};

	};



	m_can1_pins_a: m-can1-0 {

		pins1 {

			pinmux = <STM32_PINMUX('H', 13, AF9)>; /* CAN1_TX */
@@ -550,6 +680,21 @@ 
		};

	};



	pwm3_pins_b: pwm3-1 {

		pins {

			pinmux = <STM32_PINMUX('B', 5, AF2)>; /* TIM3_CH2 */

			bias-disable;

			drive-push-pull;

			slew-rate = <0>;

		};

	};



	pwm3_sleep_pins_b: pwm3-sleep-1 {

		pins {

			pinmux = <STM32_PINMUX('B', 5, ANALOG)>; /* TIM3_CH2 */

		};

	};



	pwm4_pins_a: pwm4-0 {

		pins {

			pinmux = <STM32_PINMUX('D', 14, AF2)>, /* TIM4_CH3 */
@@ -597,6 +742,25 @@ 
		};

	};



	pwm5_pins_b: 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>;

		};

	};



	pwm5_sleep_pins_b: pwm5-sleep-1 {

		pins {

			pinmux = <STM32_PINMUX('H', 11, ANALOG)>, /* TIM5_CH2 */

				 <STM32_PINMUX('H', 12, ANALOG)>, /* TIM5_CH3 */

				 <STM32_PINMUX('I', 0, ANALOG)>; /* TIM5_CH4 */

		};

	};



	pwm8_pins_a: pwm8-0 {

		pins {

			pinmux = <STM32_PINMUX('I', 2, AF3)>; /* TIM8_CH4 */
@@ -987,6 +1151,27 @@ 
		};

	};



	sdmmc2_d47_pins_b: 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;

		};

	};



	sdmmc2_d47_sleep_pins_b: sdmmc2-d47-sleep-1 {

		pins {

			pinmux = <STM32_PINMUX('A', 8, ANALOG)>, /* SDMMC2_D4 */

				 <STM32_PINMUX('A', 9, ANALOG)>, /* SDMMC2_D5 */

				 <STM32_PINMUX('C', 6, ANALOG)>, /* SDMMC2_D6 */

				 <STM32_PINMUX('C', 7, ANALOG)>; /* SDMMC2_D7 */

		};

	};



	sdmmc3_b4_pins_a: sdmmc3-b4-0 {

		pins1 {

			pinmux = <STM32_PINMUX('F', 0, AF9)>, /* SDMMC3_D0 */

arch/arm/boot/dts/stm32mp157c-lxa-mc1.dts

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/* 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 "stm32mp157.dtsi"

#include "stm32mp15xx-osd32.dtsi"

#include "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", "sleep";

	pinctrl-0 = <&ethernet0_rgmii_pins_b>;

	pinctrl-1 = <&ethernet0_rgmii_sleep_pins_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";

};



&i2c5 {

	pinctrl-names = "default", "sleep";

	pinctrl-0 = <&i2c5_pins_b>;

	pinctrl-1 = <&i2c5_sleep_pins_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", "sleep";

	pinctrl-0 = <&ltdc_pins_c>;

	pinctrl-1 = <&ltdc_sleep_pins_c>;

	status = "okay";



	port {

		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", "sleep";

	pinctrl-0 = <&sdmmc1_b4_pins_a>;

	pinctrl-1 = <&sdmmc1_b4_od_pins_a>;

	pinctrl-2 = <&sdmmc1_b4_sleep_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", "sleep";

	pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_b>;

	pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_b>;

	pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_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", "sleep";

		pinctrl-0 = <&pwm3_pins_b>;

		pinctrl-1 = <&pwm3_sleep_pins_b>;

		status = "okay";

	};

};



&timers5 {

	status = "okay";



	leds_pwm: pwm {

		pinctrl-names = "default", "sleep";

		pinctrl-0 = <&pwm5_pins_b>;

		pinctrl-1 = <&pwm5_sleep_pins_b>;

		status = "okay";

	};

};



&uart4 {

	pinctrl-names = "default";

	pinctrl-0 = <&uart4_pins_a>;

	status = "okay";

};

arch/arm/boot/dts/stm32mp15xx-osd32.dtsi

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/* 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 "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", "sleep";

	pinctrl-0 = <&i2c4_pins_a>;

	pinctrl-1 = <&i2c4_sleep_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";

};