RE: [PATCH] ARM: dts: stm32: Add DH Electronics DHCOM SoM and PDK2 board

[Patrick DELAUNAY <patrick.delaunay@st.com>]

Hi Marek;

Adds the Linux Maintainers for STM32M linux patch:

M:	Maxime Coquelin <mcoquelin.stm32@gmail.com>
M:	Alexandre Torgue <alexandre.torgue@st.com>
L:	linux-stm32@st-md-mailman.stormreply.com (moderated for non-subscribers)
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)


Hi Alexandre,

Can you review this patch.

Regards

Patrick

> -----Original Message-----
> From: Marek Vasut <marex@denx.de>
> Sent: mercredi 15 janvier 2020 10:47
> To: linux-arm-kernel@lists.infradead.org
> Cc: Marek Vasut <marex@denx.de>; Patrick DELAUNAY
> <patrick.delaunay@st.com>; Patrice CHOTARD <patrice.chotard@st.com>
> Subject: [PATCH] ARM: dts: stm32: Add DH Electronics DHCOM SoM and PDK2
> board
> Importance: High
> 
> Add support for DH Electronics DHCOM SoM and PDK2 rev. 400 carrier board.
> This is an SoM with STM32MP157C and an evaluation kit. The baseboard
> provides Ethernet, UART, USB, CAN and optional display.
> 
> Signed-off-by: Marek Vasut <marex@denx.de>
> Cc: Patrick Delaunay <patrick.delaunay@st.com>
> Cc: Patrice Chotard <patrice.chotard@st.com>
> ---
>  arch/arm/boot/dts/Makefile                   |   1 +
>  arch/arm/boot/dts/stm32mp157c-dhcom-pdk2.dts | 351 ++++++++++++++++++
> arch/arm/boot/dts/stm32mp157c-dhcom-som.dtsi | 368 +++++++++++++++++++
>  3 files changed, 720 insertions(+)
>  create mode 100644 arch/arm/boot/dts/stm32mp157c-dhcom-pdk2.dts
>  create mode 100644 arch/arm/boot/dts/stm32mp157c-dhcom-som.dtsi
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index
> e006fef77499..c8a9f0c44f34 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1019,6 +1019,7 @@ dtb-$(CONFIG_ARCH_STM32) += \
>  	stm32h743i-disco.dtb \
>  	stm32mp157a-avenger96.dtb \
>  	stm32mp157a-dk1.dtb \
> +	stm32mp157c-dhcom-pdk2.dtb \
>  	stm32mp157c-dk2.dtb \
>  	stm32mp157c-ed1.dtb \
>  	stm32mp157c-ev1.dtb
> diff --git a/arch/arm/boot/dts/stm32mp157c-dhcom-pdk2.dts
> b/arch/arm/boot/dts/stm32mp157c-dhcom-pdk2.dts
> new file mode 100644
> index 000000000000..0199301994ae
> --- /dev/null
> +++ b/arch/arm/boot/dts/stm32mp157c-dhcom-pdk2.dts
> @@ -0,0 +1,351 @@
> +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
> +/*
> + * Copyright (C) 2020 Marek Vasut <marex@denx.de>  */
> +
> +#include "stm32mp157c-dhcom-som.dtsi"
> +#include <dt-bindings/pwm/pwm.h>
> +
> +/ {
> +	model = "STMicroelectronics STM32MP157C DHCOM Premium
> Developer Kit (2)";
> +	compatible = "dh,stm32mp157c-dhcom-pdk2", "st,stm32mp157";
> +
> +	aliases {
> +		serial0 = &uart4;
> +		serial1 = &usart3;
> +		serial2 = &uart8;
> +		ethernet0 = &ethernet0;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	clk_ext_audio_codec: clock-codec {
> +		compatible = "fixed-clock";
> +		#clock-cells = <0>;
> +		clock-frequency = <24000000>;
> +	};
> +
> +	display_bl: display-bl {
> +		compatible = "pwm-backlight";
> +		pwms = <&pwm2 0 500000 PWM_POLARITY_INVERTED>;
> +		brightness-levels = <0 16 22 30 40 55 75 102 138 188 255>;
> +		default-brightness-level = <8>;
> +		enable-gpios = <&gpioi 0 GPIO_ACTIVE_HIGH>;
> +		status = "okay";
> +	};
> +
> +	ethernet_vio: vioregulator {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vio";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		gpio = <&gpiog 3 GPIO_ACTIVE_LOW>;
> +		regulator-always-on;
> +		regulator-boot-on;
> +	};
> +
> +	panel {
> +		compatible = "edt,etm0700g0edh6";
> +		backlight = <&display_bl>;
> +
> +		port {
> +			lcd_panel_in: endpoint {
> +				remote-endpoint = <&lcd_display_out>;
> +			};
> +		};
> +	};
> +
> +	sound {
> +		compatible = "audio-graph-card";
> +		routing =
> +			"MIC_IN", "Capture",
> +			"Capture", "Mic Bias",
> +			"Playback", "HP_OUT";
> +		dais = <&sai2a_port &sai2b_port>;
> +		status = "okay";
> +	};
> +};
> +
> +&cec {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&cec_pins_a>;
> +	status = "okay";
> +};
> +
> +&ethernet0 {
> +	status = "okay";
> +	pinctrl-0 = <&ethernet0_rmii_pins_a>;
> +	pinctrl-1 = <&ethernet0_rmii_pins_sleep_a>;
> +	pinctrl-names = "default", "sleep";
> +	phy-mode = "rmii";
> +	max-speed = <100>;
> +	phy-handle = <&phy0>;
> +	st,eth-ref-clk-sel;
> +	phy-reset-gpios = <&gpioh 15 GPIO_ACTIVE_LOW>;
> +
> +	mdio0 {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		compatible = "snps,dwmac-mdio";
> +
> +		phy0: ethernet-phy@1 {
> +			reg = <1>;
> +		};
> +	};
> +};
> +
> +&i2c5 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&i2c5_pins_a>;
> +	i2c-scl-rising-time-ns = <185>;
> +	i2c-scl-falling-time-ns = <20>;
> +	status = "okay";
> +	/* spare dmas for other usage */
> +	/delete-property/dmas;
> +	/delete-property/dma-names;
> +
> +	sgtl5000: codec@a {
> +		compatible = "fsl,sgtl5000";
> +		reg = <0x0a>;
> +		#sound-dai-cells = <0>;
> +		clocks = <&clk_ext_audio_codec>;
> +		VDDA-supply = <&v3v3>;
> +		VDDIO-supply = <&vdd>;
> +
> +		sgtl5000_port: port {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			sgtl5000_tx_endpoint: endpoint@0 {
> +				reg = <0>;
> +				remote-endpoint = <&sai2a_endpoint>;
> +				frame-master;
> +				bitclock-master;
> +			};
> +
> +			sgtl5000_rx_endpoint: endpoint@1 {
> +				reg = <1>;
> +				remote-endpoint = <&sai2b_endpoint>;
> +				frame-master;
> +				bitclock-master;
> +			};
> +		};
> +
> +	};
> +
> +	polytouch@38 {
> +		compatible = "edt,edt-ft5x06";
> +		reg = <0x38>;
> +		interrupt-parent = <&gpiog>;
> +		interrupts = <2 IRQ_TYPE_EDGE_FALLING>; /* GPIO E */
> +		linux,wakeup;
> +	};
> +};
> +
> +&ltdc {
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&ltdc_pins_b>;
> +	pinctrl-1 = <&ltdc_pins_sleep_b>;
> +	status = "okay";
> +
> +	port {
> +		lcd_display_out: endpoint {
> +			remote-endpoint = <&lcd_panel_in>;
> +		};
> +	};
> +};
> +
> +&m_can1 {
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&m_can1_pins_a>;
> +	pinctrl-1 = <&m_can1_sleep_pins_a>;
> +	status = "okay";
> +};
> +
> +&pinctrl {
> +	ethernet0_rmii_pins_a: rmii-0 {
> +		pins1 {
> +			pinmux = <STM32_PINMUX('G', 13, AF11)>, /*
> ETH1_RMII_TXD0 */
> +				 <STM32_PINMUX('G', 14, AF11)>, /*
> ETH1_RMII_TXD1 */
> +				 <STM32_PINMUX('B', 11, AF11)>, /*
> ETH1_RMII_TX_EN */
> +				 <STM32_PINMUX('A', 1, AF0)>,   /*
> ETH1_RMII_REF_CLK */
> +				 <STM32_PINMUX('A', 2, AF11)>,  /* ETH1_MDIO
> */
> +				 <STM32_PINMUX('C', 1, AF11)>;  /* ETH1_MDC
> */
> +			bias-disable;
> +			drive-push-pull;
> +			slew-rate = <2>;
> +		};
> +		pins2 {
> +			pinmux = <STM32_PINMUX('C', 4, AF11)>,  /*
> ETH1_RMII_RXD0 */
> +				 <STM32_PINMUX('C', 5, AF11)>,  /*
> ETH1_RMII_RXD1 */
> +				 <STM32_PINMUX('A', 7, AF11)>;  /*
> ETH1_RMII_CRS_DV */
> +			bias-disable;
> +		};
> +	};
> +
> +	ethernet0_rmii_pins_sleep_a: rmii-sleep-0 {
> +		pins1 {
> +			pinmux = <STM32_PINMUX('G', 13, ANALOG)>, /*
> ETH1_RMII_TXD0 */
> +				 <STM32_PINMUX('G', 14, ANALOG)>, /*
> ETH1_RMII_TXD1 */
> +				 <STM32_PINMUX('B', 11, ANALOG)>, /*
> ETH1_RMII_TX_EN */
> +				 <STM32_PINMUX('A', 2, ANALOG)>,  /*
> ETH1_MDIO */
> +				 <STM32_PINMUX('C', 1, ANALOG)>,  /*
> ETH1_MDC */
> +				 <STM32_PINMUX('C', 4, ANALOG)>,  /*
> ETH1_RMII_RXD0 */
> +				 <STM32_PINMUX('C', 5, ANALOG)>,  /*
> ETH1_RMII_RXD1 */
> +				 <STM32_PINMUX('A', 1, ANALOG)>,  /*
> ETH1_RMII_REF_CLK */
> +				 <STM32_PINMUX('A', 7, ANALOG)>;  /*
> ETH1_RMII_CRS_DV */
> +		};
> +	};
> +
> +	sai2_pins_a: sai2-0 {
> +		pins1 {
> +			pinmux = <STM32_PINMUX('I', 6, AF10)>,	/*
> SAI2_SD_A */
> +				 <STM32_PINMUX('I', 7, AF10)>,	/*
> SAI2_FS_A */
> +				 <STM32_PINMUX('D', 13, AF10)>;	/*
> SAI2_SCK_A */
> +			slew-rate = <0>;
> +			drive-push-pull;
> +			bias-disable;
> +		};
> +		pins2 {
> +			pinmux = <STM32_PINMUX('F', 11, AF10)>;	/*
> SAI2_SD_B */
> +			bias-disable;
> +		};
> +	};
> +
> +	sai2_sleep_pins_a: sai2-sleep-0 {
> +		pins {
> +			pinmux = <STM32_PINMUX('I', 6, ANALOG)>,  /*
> SAI2_SD_A */
> +				 <STM32_PINMUX('I', 7, ANALOG)>,  /*
> SAI2_FS_A */
> +				 <STM32_PINMUX('D', 13, ANALOG)>, /*
> SAI2_SCK_A */
> +				 <STM32_PINMUX('F', 11, ANALOG)>; /*
> SAI2_SD_B */
> +		};
> +	};
> +
> +	usart3_pins_a: usart3-0 {
> +		pins1 {
> +			pinmux = <STM32_PINMUX('B', 10, AF7)>; /*
> USART3_TX */
> +			bias-disable;
> +			drive-push-pull;
> +			slew-rate = <0>;
> +		};
> +		pins2 {
> +			pinmux = <STM32_PINMUX('B', 12, AF8)>; /*
> USART3_RX */
> +			bias-disable;
> +		};
> +	};
> +
> +	uart8_pins_a: uart8-0 {
> +		pins1 {
> +			pinmux = <STM32_PINMUX('E', 1, AF8)>; /* UART8_TX */
> +			bias-disable;
> +			drive-push-pull;
> +			slew-rate = <0>;
> +		};
> +		pins2 {
> +			pinmux = <STM32_PINMUX('E', 0, AF8)>; /* UART8_RX
> */
> +			bias-disable;
> +		};
> +	};
> +};
> +
> +&sai2 {
> +	clocks = <&rcc SAI2>, <&rcc PLL3_Q>, <&rcc PLL3_R>;
> +	clock-names = "pclk", "x8k", "x11k";
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&sai2_pins_a>;
> +	pinctrl-1 = <&sai2_sleep_pins_a>;
> +	status = "okay";
> +
> +	sai2a: audio-controller@4400b004 {
> +		#clock-cells = <0>;
> +		dma-names = "tx";
> +		clocks = <&rcc SAI2_K>;
> +		clock-names = "sai_ck";
> +		status = "okay";
> +
> +		sai2a_port: port {
> +			sai2a_endpoint: endpoint {
> +				remote-endpoint = <&sgtl5000_tx_endpoint>;
> +				format = "i2s";
> +				mclk-fs = <512>;
> +				dai-tdm-slot-num = <2>;
> +				dai-tdm-slot-width = <16>;
> +			};
> +		};
> +	};
> +
> +	sai2b: audio-controller@4400b024 {
> +		dma-names = "rx";
> +		st,sync = <&sai2a 2>;
> +		clocks = <&rcc SAI2_K>, <&sai2a>;
> +		clock-names = "sai_ck", "MCLK";
> +		status = "okay";
> +
> +		sai2b_port: port {
> +			sai2b_endpoint: endpoint {
> +				remote-endpoint = <&sgtl5000_rx_endpoint>;
> +				format = "i2s";
> +				mclk-fs = <512>;
> +				dai-tdm-slot-num = <2>;
> +				dai-tdm-slot-width = <16>;
> +			};
> +		};
> +	};
> +};
> +
> +&timers2 {
> +	/* spare dmas for other usage (un-delete to enable pwm capture) */
> +	/delete-property/dmas;
> +	/delete-property/dma-names;
> +	status = "okay";
> +	pwm2: pwm {
> +		pinctrl-0 = <&pwm2_pins_a>;
> +		pinctrl-names = "default";
> +		status = "okay";
> +	};
> +	timer@1 {
> +		status = "okay";
> +	};
> +};
> +
> +&usart3 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&usart3_pins_a>;
> +	status = "okay";
> +};
> +
> +&uart8 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&uart8_pins_a>;
> +	status = "okay";
> +};
> +
> +&usbh_ehci {
> +	phys = <&usbphyc_port0>;
> +	status = "okay";
> +};
> +
> +&usbotg_hs {
> +	dr_mode = "peripheral";
> +	phys = <&usbphyc_port1 0>;
> +	phy-names = "usb2-phy";
> +	status = "okay";
> +};
> +
> +&usbphyc {
> +	status = "okay";
> +};
> +
> +&usbphyc_port0 {
> +	phy-supply = <&vdd_usb>;
> +	vdda1v1-supply = <&reg11>;
> +	vdda1v8-supply = <&reg18>;
> +};
> +
> +&usbphyc_port1 {
> +	phy-supply = <&vdd_usb>;
> +	vdda1v1-supply = <&reg11>;
> +	vdda1v8-supply = <&reg18>;
> +};
> diff --git a/arch/arm/boot/dts/stm32mp157c-dhcom-som.dtsi
> b/arch/arm/boot/dts/stm32mp157c-dhcom-som.dtsi
> new file mode 100644
> index 000000000000..54579ea2dd2e
> --- /dev/null
> +++ b/arch/arm/boot/dts/stm32mp157c-dhcom-som.dtsi
> @@ -0,0 +1,368 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
> +/*
> + * Copyright (C) 2020 Marek Vasut <marex@denx.de>  */ /dts-v1/;
> +
> +#include "stm32mp157.dtsi"
> +#include "stm32mp15xc.dtsi"
> +#include "stm32mp15-pinctrl.dtsi"
> +#include "stm32mp15xxaa-pinctrl.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/mfd/st,stpmic1.h>
> +
> +/ {
> +	memory@c0000000 {
> +		device_type = "memory";
> +		reg = <0xC0000000 0x40000000>;
> +	};
> +
> +	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;
> +		};
> +	};
> +};
> +
> +&adc {
> +	vdd-supply = <&vdd>;
> +	vdda-supply = <&vdda>;
> +	vref-supply = <&vdda>;
> +	status = "okay";
> +
> +	adc1: adc@0 {
> +		st,min-sample-time-nsecs = <5000>;
> +		st,adc-channels = <0>;
> +		status = "okay";
> +	};
> +
> +	adc2: adc@100 {
> +		st,adc-channels = <1>;
> +		st,min-sample-time-nsecs = <5000>;
> +		status = "okay";
> +	};
> +};
> +
> +&dac {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&dac_ch1_pins_a &dac_ch2_pins_a>;
> +	vref-supply = <&vdda>;
> +	status = "okay";
> +
> +	dac1: dac@1 {
> +		status = "okay";
> +	};
> +	dac2: dac@2 {
> +		status = "okay";
> +	};
> +};
> +
> +&dts {
> +	status = "okay";
> +};
> +
> +&gpu {
> +	status = "okay";
> +};
> +
> +&i2c4 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&i2c4_pins_a>;
> +	i2c-scl-rising-time-ns = <185>;
> +	i2c-scl-falling-time-ns = <20>;
> +	status = "okay";
> +	/* spare dmas for other usage */
> +	/delete-property/dmas;
> +	/delete-property/dma-names;
> +
> +	rtc@32 {
> +		compatible = "microcrystal,rv8803";
> +		reg = <0x32>;
> +	};
> +
> +	pmic: stpmic@33 {
> +		compatible = "st,stpmic1";
> +		reg = <0x33>;
> +		interrupts-extended = <&gpioa 0 IRQ_TYPE_EDGE_FALLING>;
> +		interrupt-controller;
> +		#interrupt-cells = <2>;
> +		status = "okay";
> +
> +		regulators {
> +			compatible = "st,stpmic1-regulators";
> +			ldo1-supply = <&v3v3>;
> +			ldo2-supply = <&v3v3>;
> +			ldo3-supply = <&vdd_ddr>;
> +			ldo5-supply = <&v3v3>;
> +			ldo6-supply = <&v3v3>;
> +			pwr_sw1-supply = <&bst_out>;
> +			pwr_sw2-supply = <&bst_out>;
> +
> +			vddcore: buck1 {
> +				regulator-name = "vddcore";
> +				regulator-min-microvolt = <800000>;
> +				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>;
> +			};
> +
> +			vdda: ldo1 {
> +				regulator-name = "vdda";
> +				regulator-min-microvolt = <2900000>;
> +				regulator-max-microvolt = <2900000>;
> +				interrupts = <IT_CURLIM_LDO1 0>;
> +			};
> +
> +			v2v8: ldo2 {
> +				regulator-name = "v2v8";
> +				regulator-min-microvolt = <2800000>;
> +				regulator-max-microvolt = <2800000>;
> +				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>;
> +			};
> +
> +			vdd_sd: ldo5 {
> +				regulator-name = "vdd_sd";
> +				regulator-min-microvolt = <2900000>;
> +				regulator-max-microvolt = <2900000>;
> +				interrupts = <IT_CURLIM_LDO5 0>;
> +				regulator-boot-on;
> +			};
> +
> +			v1v8: ldo6 {
> +				regulator-name = "v1v8";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				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>;
> +			};
> +
> +			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 0>;
> +			interrupt-names = "onkey-falling", "onkey-rising";
> +			power-off-time-sec = <10>;
> +			status = "okay";
> +		};
> +
> +		watchdog {
> +			compatible = "st,stpmic1-wdt";
> +			status = "disabled";
> +		};
> +	};
> +
> +	touchscreen@49 {
> +		compatible = "ti,tsc2004";
> +		reg = <0x49>;
> +		vio-supply = <&v3v3>;
> +		interrupts-extended = <&gpioh 3 IRQ_TYPE_EDGE_FALLING>;
> +	};
> +
> +	eeprom@50 {
> +		compatible = "atmel,24c02";
> +		reg = <0x50>;
> +		pagesize = <16>;
> +	};
> +};
> +
> +&ipcc {
> +	status = "okay";
> +};
> +
> +&iwdg2 {
> +	timeout-sec = <32>;
> +	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";
> +};
> +
> +&pwr_regulators {
> +	vdd-supply = <&vdd>;
> +	vdd_3v3_usbfs-supply = <&vdd_usb>;
> +};
> +
> +&rng1 {
> +	status = "okay";
> +};
> +
> +&rtc {
> +	status = "okay";
> +};
> +
> +&sdmmc1 {
> +	pinctrl-names = "default", "opendrain", "sleep";
> +	pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>;
> +	pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_a>;
> +	pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_a>;
> +	broken-cd;
> +	st,sig-dir;
> +	st,neg-edge;
> +	st,use-ckin;
> +	bus-width = <4>;
> +	vmmc-supply = <&vdd_sd>;
> +	status = "okay";
> +};
> +
> +&sdmmc2 {
> +	pinctrl-names = "default", "opendrain", "sleep";
> +	pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_a>;
> +	pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_a>;
> +	pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_a>;
> +	non-removable;
> +	no-sd;
> +	no-sdio;
> +	st,neg-edge;
> +	bus-width = <8>;
> +	vmmc-supply = <&v3v3>;
> +	vqmmc-supply = <&v3v3>;
> +	mmc-ddr-3_3v;
> +	status = "okay";
> +};
> +
> +&sdmmc3 {
> +	pinctrl-names = "default", "opendrain", "sleep";
> +	pinctrl-0 = <&sdmmc3_b4_pins_a>;
> +	pinctrl-1 = <&sdmmc3_b4_od_pins_a>;
> +	pinctrl-2 = <&sdmmc3_b4_sleep_pins_a>;
> +	broken-cd;
> +	st,neg-edge;
> +	bus-width = <4>;
> +	vmmc-supply = <&v3v3>;
> +	vqmmc-supply = <&v3v3>;
> +	mmc-ddr-3_3v;
> +	status = "okay";
> +};
> +
> +&qspi {
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&qspi_clk_pins_a &qspi_bk1_pins_a &qspi_bk2_pins_a>;
> +	pinctrl-1 = <&qspi_clk_sleep_pins_a &qspi_bk1_sleep_pins_a
> &qspi_bk2_sleep_pins_a>;
> +	reg = <0x58003000 0x1000>, <0x70000000 0x4000000>;
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	status = "okay";
> +
> +	flash0: mx66l51235l@0 {
> +		compatible = "jedec,spi-nor";
> +		reg = <0>;
> +		spi-rx-bus-width = <4>;
> +		spi-max-frequency = <108000000>;
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +	};
> +};
> +
> +&uart4 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&uart4_pins_a>;
> +	status = "okay";
> +};
> --
> 2.24.1


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