Commit 16e3e44c authored by Reinhold Mueller's avatar Reinhold Mueller Committed by Alexandre Torgue
Browse files

ARM: dts: stm32: Add support for the emtrion emSBC-Argon 



This patch presents the DT patches for the emtrion GmbH
Argon board series. They are available with STM32MP157
from STMicroelectronics with 512 MByte Memory.

The devicetree stm32mp157c-emstamp-argon.dtsi is the common part
providing the module components and the basic support for the SoC.
The support for the emSBC-Argon baseboard in the developer-kit
configuration is provided by the stm32mp157c-emsbc-argon.dts file.

Signed-off-by: default avatarReinhold Mueller <reinhold.mueller@emtrion.com>
Signed-off-by: default avatarAlexandre Torgue <alexandre.torgue@foss.st.com>
parent 7f25465e

arch/arm/boot/dts/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -1161,6 +1161,7 @@ dtb-$(CONFIG_ARCH_STM32) += \ 
	stm32mp157c-dhcom-picoitx.dtb \

	stm32mp157c-dk2.dtb \

	stm32mp157c-ed1.dtb \

	stm32mp157c-emsbc-argon.dtb \

	stm32mp157c-ev1.dtb \

	stm32mp157c-lxa-mc1.dtb \

	stm32mp157c-odyssey.dtb

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

+92 −0
Original line number Diff line number Diff line
@@ -338,6 +338,47 @@ pins1 { 
		};

	};



	ethernet0_rmii_pins_b: rmii-1 {

		pins1 {

			pinmux = <STM32_PINMUX('B', 5, AF0)>, /* ETH1_CLK */

				<STM32_PINMUX('C', 1, AF11)>, /* ETH1_MDC */

				<STM32_PINMUX('G', 13, AF11)>, /* ETH1_TXD0 */

				<STM32_PINMUX('G', 14, AF11)>; /* ETH1_TXD1 */

			bias-disable;

			drive-push-pull;

			slew-rate = <1>;

		};

		pins2 {

			pinmux = <STM32_PINMUX('A', 2, AF11)>; /* ETH1_MDIO */

			bias-disable;

			drive-push-pull;

			slew-rate = <0>;

		};

		pins3 {

			pinmux = <STM32_PINMUX('A', 7, AF11)>, /* ETH1_CRS_DV */

				<STM32_PINMUX('C', 4, AF11)>, /* ETH1_RXD0 */

				<STM32_PINMUX('C', 5, AF11)>; /* ETH1_RXD1 */

			bias-disable;

		};

		pins4 {

			pinmux = <STM32_PINMUX('B', 11, AF11)>; /* ETH1_TX_EN */

		};

	};



	ethernet0_rmii_sleep_pins_b: rmii-sleep-1 {

		pins1 {

			pinmux = <STM32_PINMUX('A', 2, ANALOG)>, /* ETH1_MDIO */

				<STM32_PINMUX('A', 7, ANALOG)>, /* ETH1_CRS_DV */

				<STM32_PINMUX('B', 5, ANALOG)>, /* ETH1_CLK */

				<STM32_PINMUX('B', 11, ANALOG)>, /* ETH1_TX_EN */

				<STM32_PINMUX('C', 1, ANALOG)>, /* ETH1_MDC */

				<STM32_PINMUX('C', 4, ANALOG)>, /* ETH1_RXD0 */

				<STM32_PINMUX('C', 5, ANALOG)>, /* ETH1_RXD1 */

				<STM32_PINMUX('G', 13, ANALOG)>, /* ETH1_TXD0 */

				<STM32_PINMUX('G', 14, ANALOG)>; /* ETH1_TXD1 */

		};

	};



	fmc_pins_a: fmc-0 {

		pins1 {

			pinmux = <STM32_PINMUX('D', 4, AF12)>, /* FMC_NOE */
@@ -927,6 +968,21 @@ pins { 
		};

	};



	pwm1_pins_b: pwm1-1 {

		pins {

			pinmux = <STM32_PINMUX('E', 9, AF1)>; /* TIM1_CH1 */

			bias-pull-down;

			drive-push-pull;

			slew-rate = <0>;

		};

	};



	pwm1_sleep_pins_b: pwm1-sleep-1 {

		pins {

			pinmux = <STM32_PINMUX('E', 9, ANALOG)>; /* TIM1_CH1 */

		};

	};



	pwm2_pins_a: pwm2-0 {

		pins {

			pinmux = <STM32_PINMUX('A', 3, AF1)>; /* TIM2_CH4 */
@@ -2042,6 +2098,42 @@ pins { 
		};

	};



	usart3_pins_d: usart3-3 {

		pins1 {

			pinmux = <STM32_PINMUX('B', 10, AF7)>, /* USART3_TX */

				 <STM32_PINMUX('G', 8, AF8)>; /* USART3_RTS */

			bias-disable;

			drive-push-pull;

			slew-rate = <0>;

		};

		pins2 {

			pinmux = <STM32_PINMUX('D', 9, AF7)>, /* USART3_RX */

				 <STM32_PINMUX('D', 11, AF7)>; /* USART3_CTS_NSS */

			bias-disable;

		};

	};



	usart3_idle_pins_d: usart3-idle-3 {

		pins1 {

			pinmux = <STM32_PINMUX('B', 10, ANALOG)>, /* USART3_TX */

				 <STM32_PINMUX('G', 8, ANALOG)>, /* USART3_RTS */

				 <STM32_PINMUX('D', 11, ANALOG)>; /* USART3_CTS_NSS */

		};

		pins2 {

			pinmux = <STM32_PINMUX('D', 9, AF7)>; /* USART3_RX */

			bias-disable;

		};

	};



	usart3_sleep_pins_d: usart3-sleep-3 {

		pins {

			pinmux = <STM32_PINMUX('B', 10, ANALOG)>, /* USART3_TX */

				 <STM32_PINMUX('G', 8, ANALOG)>, /* USART3_RTS */

				 <STM32_PINMUX('D', 11, ANALOG)>, /* USART3_CTS_NSS */

				 <STM32_PINMUX('D', 9, ANALOG)>; /* USART3_RX */

		};

	};



	usbotg_hs_pins_a: usbotg-hs-0 {

		pins {

			pinmux = <STM32_PINMUX('A', 10, ANALOG)>; /* OTG_ID */

arch/arm/boot/dts/stm32mp157c-emsbc-argon.dts

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// SPDX-License-Identifier: (GPL-2.0 or MIT)

//

// Copyright (c) 2021 emtrion GmbH

// Author: Reinhold Müller <reinhold.mueller@emtrion.de>.

//



/dts-v1/;



#include "stm32mp157c-emstamp-argon.dtsi"



/ {

	model = "emtrion STM32MP157C emSBC-Argon Developer Board";

	compatible = "emtrion,stm32mp157c-emsbc-argon", "emtrion,stm32mp157c-emstamp-argon",

			"st,stm32mp157";



	led: gpio_leds {

		compatible = "gpio-leds";

		led-2 {

			label = "red";

			gpios = <&gpiof 12 GPIO_ACTIVE_LOW>;

			linux,default-trigger = "none";

			default-state = "off";

		};

		led-3 {

			label = "green";

			gpios = <&gpioe 7 GPIO_ACTIVE_LOW>;

			linux,default-trigger = "none";

			default-state = "off";

		};

	};

};



&dac {

	status = "okay";

};



&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>;

	cd-gpios = <&gpiob 7 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;

	disable-wp;

	st,neg-edge;

	bus-width = <4>;

	vmmc-supply = <&vdd_sd>;

	status = "okay";

};



&spi1 {

	status = "okay";

};

arch/arm/boot/dts/stm32mp157c-emstamp-argon.dtsi

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// SPDX-License-Identifier: (GPL-2.0 or MIT)

//

// Copyright (c) 2021 emtrion GmbH

// Author: Reinhold Müller <reinhold.mueller@emtrion.de>.

//



#include "stm32mp157.dtsi"

#include "stm32mp15xc.dtsi"

#include "stm32mp15-pinctrl.dtsi"

#include "stm32mp15xxac-pinctrl.dtsi"

#include <dt-bindings/gpio/gpio.h>

#include <dt-bindings/mfd/st,stpmic1.h>



/ {

	aliases {

		ethernet0 = &ethernet0;

		serial0 = &uart4;

		serial1 = &usart2;

		serial2 = &usart3;

	};



	chosen {

		stdout-path = "serial0:115200n8";

	};



	memory@c0000000 {

		device_type = "memory";

		reg = <0xc0000000 0x20000000>;

	};



	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 0x2000>;

			no-map;

		};



		vdev0vring1: vdev0vring1@10042000 {

			compatible = "shared-dma-pool";

			reg = <0x10042000 0x2000>;

			no-map;

		};



		vdev0buffer: vdev0buffer@10044000 {

			compatible = "shared-dma-pool";

			reg = <0x10044000 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;

		};



		gpu_reserved: gpu@dc000000 {

			reg = <0xdc000000 0x4000000>;

			no-map;

		};

	};



	led: gpio_leds {

		compatible = "gpio-leds";

		led-0 {

			label = "panic";

			gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;

			linux,default-trigger = "none";

			default-state = "off";

			panic-indicator;

		};

		led-1 {

			label = "heartbeat";

			gpios = <&gpioa 14 GPIO_ACTIVE_LOW>;

			linux,default-trigger = "heartbeat";

			default-state = "on";

		};

	};

};



&adc {

	vdd-supply = <&vdd>;

	vdda-supply = <&vdd>;

	vref-supply = <&vrefbuf>;

	status = "okay";



	adc1: adc@0 {

		pinctrl-names = "default";

		pinctrl-0 = <&adc1_in6_pins_a>;

		st,min-sample-time-nsecs = <5000>;

		st,adc-channels = <6>;

		status = "disabled";

	};



	adc2: adc@100 {

		#address-cells = <1>;

		#size-cells = <0>;

		status = "okay";

		channel@12 {

			reg = <12>;

			label = "sense_temp";

			st,min-sample-time-ns = <9000>;

		};

		channel@15 {

			reg = <15>;

			label = "vbat";

			st,min-sample-time-ns = <9000>;

		};

		channel@16 {

			reg = <16>;

			label = "dac_out1";

			st,min-sample-time-ns = <9000>;

		};

		channel@17 {

			reg = <17>;

			label = "dac_out1";

			st,min-sample-time-ns = <9000>;

		};

	};

};



&crc1 {

	status = "okay";

};



&cryp1 {

	status = "okay";

};



&dac {

	pinctrl-names = "default";

	pinctrl-0 = <&dac_ch1_pins_a &dac_ch2_pins_a>;

	vref-supply = <&vdda>;

	status = "disabled";



	dac1: dac@1 {

		status = "okay";

	};

	dac2: dac@2 {

		status = "okay";

	};

};



&dts {

	status = "okay";

};



&ethernet0 {

	status = "okay";

	snps,reset-gpio = <&gpioa 1 GPIO_ACTIVE_LOW>;

	snps,reset-active-low;

	snps,reset-delays-us = <0 30000 50000>;

	pinctrl-0 = <&ethernet0_rmii_pins_b>;

	pinctrl-1 = <&ethernet0_rmii_sleep_pins_b>;

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

	phy-mode = "rmii";

	max-speed = <100>;

	phy-handle = <&phy0>;

	st,eth-ref-clk-sel;



	mdio0 {

		#address-cells = <1>;

		#size-cells = <0>;

		compatible = "snps,dwmac-mdio";

		phy0: ethernet-phy@0 {

			reg = <0>;

		};

	};

};



&gpu {

	contiguous-area = <&gpu_reserved>;

};



&hash1 {

	status = "okay";

};



&i2c1 {

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

	pinctrl-0 = <&i2c1_pins_a>;

	pinctrl-1 = <&i2c1_sleep_pins_a>;

	i2c-scl-rising-time-ns = <100>;

	i2c-scl-falling-time-ns = <7>;

	status = "disabled";

	/delete-property/dmas;

	/delete-property/dma-names;

};



&i2c4 {

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

	pinctrl-0 = <&i2c4_pins_a>;

	pinctrl-1 = <&i2c4_sleep_pins_a>;

	i2c-scl-rising-time-ns = <185>;

	i2c-scl-falling-time-ns = <20>;

	status = "okay";

	/delete-property/dmas;

	/delete-property/dma-names;



	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>;

			ldo3-supply = <&vdd_ddr>;

			ldo6-supply = <&v3v3>;

			pwr_sw1-supply = <&bst_out>;

			pwr_sw2-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>;

			};



			vdd_sd: ldo5 {

				regulator-name = "vdd_sd";

				regulator-min-microvolt = <3300000>;

				regulator-max-microvolt = <3300000>;

				interrupts = <IT_CURLIM_LDO5 0>;

				regulator-always-on;

			};



			vdda: ldo6 {

				regulator-name = "vdda";

				regulator-min-microvolt = <2900000>;

				regulator-max-microvolt = <2900000>;

				regulator-always-on;

				interrupts = <IT_CURLIM_LDO6 0>;

				regulator-boot-on;

			};



			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_usbh: pwr_sw2 {

				regulator-name = "usbh_vbus";

				interrupts = <IT_OCP_SWOUT 0>;

				regulator-always-on;

				regulator-boot-on;

			};

		};



		onkey {

			compatible = "st,stpmic1-onkey";

			interrupts = <IT_PONKEY_F 0>, <IT_PONKEY_R 1>;

			interrupt-names = "onkey-falling", "onkey-rising";

			status = "okay";

		};



		watchdog {

			compatible = "st,stpmic1-wdt";

			status = "disabled";

		};

	};

};



&i2c5 {

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

	pinctrl-0 = <&i2c5_pins_a>;

	pinctrl-1 = <&i2c5_sleep_pins_a>;

	i2c-scl-rising-time-ns = <185>;

	i2c-scl-falling-time-ns = <20>;

	/delete-property/dmas;

	/delete-property/dma-names;

};



&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>;

	interrupt-names = "wdg";

	recovery;

	status = "okay";

};



&pwr_regulators {

	vdd-supply = <&vdd>;

	vdd_3v3_usbfs-supply = <&vdd_usb>;

};



&qspi {

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

	pinctrl-0 = <&qspi_clk_pins_a &qspi_bk1_pins_a>;

	pinctrl-1 = <&qspi_clk_sleep_pins_a &qspi_bk1_sleep_pins_a>;

	reg = <0x58003000 0x1000>, <0x70000000 0x4000000>;

	#address-cells = <1>;

	#size-cells = <0>;

	status = "okay";



	flash0: is25lp016d@0 {

		compatible = "jedec,spi-nor";

		reg = <0>;

		spi-max-frequency = <133000000>;

		spi-rx-bus-width = <1>;

		spi-tx-bus-width = <1>;

		#address-cells = <1>;

		#size-cells = <1>;

	};

};



&rng1 {

	status = "okay";

};



&rtc {

	status = "okay";

};



&sdmmc2 {

	arm,primecell-periphid = <0x10153180>;

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

	pinctrl-0 = <&sdmmc2_b4_pins_b>;

	pinctrl-1 = <&sdmmc2_b4_od_pins_b>;

	pinctrl-2 = <&sdmmc2_b4_sleep_pins_a>;

	non-removable;

	st,neg-edge;

	bus-width = <4>;

	vmmc-supply = <&v3v3>;

	status = "okay";

};



&spi1 {

	pinctrl-names = "default";

	pinctrl-0 = <&spi1_pins_a>;

	cs-gpios = <&gpioz 3 0>;

	status = "disabled";



	spidev@0  {

		compatible = "spidev";

		reg = <0>;

		spi-max-frequency = <100000>;

	};

};



&timers1 {

	/* spare dmas for other usage */

	/delete-property/dmas;

	/delete-property/dma-names;

	pwm {

		pinctrl-0 = <&pwm1_pins_b>;

		pinctrl-1 = <&pwm1_sleep_pins_b>;

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

		status = "okay";

	};

	timer@0 {

		status = "okay";

	};

};



&timers4 {

	/delete-property/dmas;

	/delete-property/dma-names;

	pwm {

		pinctrl-0 = <&pwm4_pins_b>;

		pinctrl-1 = <&pwm4_sleep_pins_b>;

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

		status = "okay";

	};

	timer@3 {

		status = "okay";

	};

};



&timers5 {

	/delete-property/dmas;

	/delete-property/dma-names;

	pwm {

		pinctrl-0 = <&pwm5_pins_a>;

		pinctrl-1 = <&pwm5_sleep_pins_a>;

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

		status = "okay";

	};

	timer@4 {

		status = "okay";

	};

};



&uart4 {

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

	pinctrl-0 = <&uart4_pins_a>;

	pinctrl-1 = <&uart4_sleep_pins_a>;

	pinctrl-2 = <&uart4_idle_pins_a>;

	status = "okay";

};



&usart2 {

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

	pinctrl-0 = <&usart2_pins_a>;

	pinctrl-1 = <&usart2_sleep_pins_a>;

	status = "okay";

};



&usart3 {

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

	pinctrl-0 = <&usart3_pins_d>;

	pinctrl-1 = <&usart3_sleep_pins_d>;

	pinctrl-2 = <&usart3_idle_pins_d>;

	status = "okay";

};



&usbh_ehci {

	phys = <&usbphyc_port0>;

	phy-names = "usb";

	status = "okay";

};



&usbh_ohci {

	phys = <&usbphyc_port0>;

	phy-names = "usb";

	status = "okay";

};



&usbotg_hs {

	dr_mode = "peripheral";

	pinctrl-names = "default";

	pinctrl-0 = <&usbotg_hs_pins_a>;

	phy-names = "usb2-phy";

	phys = <&usbphyc_port1 0>;

	vbus-supply = <&vbus_otg>;

	status = "okay";

};



&usbphyc {

	status = "okay";

};



&usbphyc_port0 {

	phy-supply = <&vdd_usb>;

};



&usbphyc_port1 {

	phy-supply = <&vdd_usb>;

};



&vrefbuf {

	regulator-min-microvolt = <2500000>;

	regulator-max-microvolt = <2500000>;

	vdda-supply = <&vdd>;

	status = "okay";

};