linux/linux-5.4.31/arch/arm/boot/dts/stm32mp157d-cyf.dtsi

// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
 * Copyright (C) STMicroelectronics 2017 - All Rights Reserved
 * Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics.
 */

#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;
		};
	};
	vddcore: buck1 {
		compatible = "regulator-fixed";
		regulator-name = "vddcore";
		regulator-min-microvolt = <1200000>;
		regulator-max-microvolt = <1350000>;
		regulator-always-on;
		regulator-boot-on;
	};
	v3v3: regulator-3p3v {
		compatible = "regulator-fixed";
		regulator-name = "v3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
		regulator-boot-on;
	};
	led {
		compatible = "gpio-leds";
		blue {
			label = "heartbeat";
			gpios = <&gpiod 9 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
			default-state = "off";
		};
	};
};



&cpu0{
	cpu-supply = <&vddcore>;
};

&crc1 {
	status = "okay";
};


&dma1 {
	sram = <&dma_pool>;
};

&dma2 {
	sram = <&dma_pool>;
};

&dts {
	status = "okay";
};

&ethernet0 {
	status = "okay";
	pinctrl-0 = <&ethernet0_rgmii_pins_a>;
	pinctrl-1 = <&ethernet0_rgmii_pins_sleep_a>;
	pinctrl-names = "default", "sleep";
	phy-mode = "rgmii-id";
	max-speed = <1000>;
	phy-handle = <&phy0>;
	mdio0 {
		#address-cells = <1>;
		#size-cells = <0>;
		compatible = "snps,dwmac-mdio";
		phy0: ethernet-phy@0 {
			reg = <0>;
		};
	};
};
&hash1 {
	status = "okay";
};

&ipcc {
	status = "okay";
};

&iwdg2 {
	timeout-sec = <32>;
	status = "okay";
};



&rng1 {
	status = "okay";
};

&rtc {
	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>;
	broken-cd;
	st,neg-edge;
	bus-width = <4>;
	vmmc-supply = <&v3v3>;
	status = "okay";
};

&sdmmc2 {
	pinctrl-names = "default", "opendrain", "sleep";
	pinctrl-0 = <&sdmmc2_b4_pins_a>;
	pinctrl-1 = <&sdmmc2_b4_od_pins_a>;
	pinctrl-2 = <&sdmmc2_b4_sleep_pins_a>;
	non-removable;
	st,neg-edge;
	bus-width = <8>;
	vmmc-supply = <&v3v3>;
	keep-power-in-suspend;
	status = "okay";
};

&sram {
	dma_pool: dma_pool@0 {
		reg = <0x50000 0x10000>;
		pool;
	};
};

&timers6 {
	status = "okay";
	/* spare dmas for other usage */
	/delete-property/dmas;
	/delete-property/dma-names;
	timer@5 {
		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>;
	pinctrl-3 = <&uart4_pins_a>;
	/delete-property/dmas;
	/delete-property/dma-names;
	status = "okay";
};