xref: /kernel/linux/linux-6.6/arch/arm/boot/dts/st/stm32mp157c-emstamp-argon.dtsi

// 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;
		};
	};

	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>;
		status = "disabled";
		channel@6 {
			reg = <6>;
			st,min-sample-time-ns = <5000>;
		};
	};

	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;

	mdio {
		#address-cells = <1>;
		#size-cells = <0>;
		compatible = "snps,dwmac-mdio";
		phy0: ethernet-phy@0 {
			reg = <0>;
		};
	};
};

&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;
			};

			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 = <1>;
			};

			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>, <&ipcc 3>;
	mbox-names = "vq0", "vq1", "shutdown", "detach";
	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
		     &qspi_cs1_pins_a>;
	pinctrl-1 = <&qspi_clk_sleep_pins_a
		     &qspi_bk1_sleep_pins_a
		     &qspi_cs1_sleep_pins_a>;
	reg = <0x58003000 0x1000>, <0x70000000 0x4000000>;
	#address-cells = <1>;
	#size-cells = <0>;
	status = "okay";

	flash0: flash@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";
};

&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";
};