arch/arm/boot/dts/st/stm32mp151a-prtt1l.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/st/stm32mp151a-prtt1l.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/st/stm32mp151a-prtt1l.dtsi
Extension
.dtsi
Size
4905 bytes
Lines
226
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
 * Copyright (C) Protonic Holland
 * Author: David Jander <david@protonic.nl>
 */
/dts-v1/;

#include "stm32mp151.dtsi"
#include "stm32mp15-pinctrl.dtsi"
#include "stm32mp15xxad-pinctrl.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>

/ {
	aliases {
		ethernet0 = &ethernet0;
		mdio-gpio0 = &mdio0;
		serial0 = &uart4;
	};

	led-controller-0 {
		compatible = "gpio-leds";

		led-0 {
			color = <LED_COLOR_ID_RED>;
			function = LED_FUNCTION_INDICATOR;
			gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
		};

		led-1 {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_INDICATOR;
			gpios = <&gpioa 14 GPIO_ACTIVE_LOW>;
			linux,default-trigger = "heartbeat";
		};
	};


	/* DP83TD510E PHYs have max MDC rate of 1.75MHz. Since we can't reduce
	 * stmmac MDC clock without reducing system bus rate, we need to use
	 * gpio based MDIO bus.
	 */
	mdio0: mdio {
		compatible = "virtual,mdio-gpio";
		#address-cells = <1>;
		#size-cells = <0>;
		gpios = <&gpioc 1 GPIO_ACTIVE_HIGH
			 &gpioa 2 GPIO_ACTIVE_HIGH>;
	};

	reg_3v3: regulator-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};
};

&dts {
	status = "okay";
};

&ethernet0 {
	pinctrl-0 = <&ethernet0_rmii_pins_a>;
	pinctrl-1 = <&ethernet0_rmii_sleep_pins_a>;
	pinctrl-names = "default", "sleep";
	phy-mode = "rmii";
	status = "okay";
};

Annotation

Implementation Notes