arch/arm/boot/dts/ti/omap/am437x-gp-evm.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/am437x-gp-evm.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/am437x-gp-evm.dts
Extension
.dts
Size
35476 bytes
Lines
1138
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-only
/*
 * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/
 */

/* AM437x GP EVM */

/dts-v1/;

#include "am4372.dtsi"
#include <dt-bindings/pinctrl/am43xx.h>
#include <dt-bindings/pwm/pwm.h>
#include <dt-bindings/gpio/gpio.h>

/ {
	model = "TI AM437x GP EVM";
	compatible = "ti,am437x-gp-evm","ti,am4372","ti,am43";

	aliases {
		display0 = &lcd0;
	};

	chosen {
		stdout-path = &uart0;
	};

	evm_v3_3d: fixedregulator-v3_3d {
		compatible = "regulator-fixed";
		regulator-name = "evm_v3_3d";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		enable-active-high;
	};

	vtt_fixed: fixedregulator-vtt {
		compatible = "regulator-fixed";
		regulator-name = "vtt_fixed";
		regulator-min-microvolt = <1500000>;
		regulator-max-microvolt = <1500000>;
		regulator-always-on;
		regulator-boot-on;
		enable-active-high;
		gpio = <&gpio5 7 GPIO_ACTIVE_HIGH>;
	};

	vmmcwl_fixed: fixedregulator-mmcwl {
		compatible = "regulator-fixed";
		regulator-name = "vmmcwl_fixed";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		gpio = <&gpio1 20 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	lcd_bl: backlight {
		compatible = "pwm-backlight";
		pwms = <&ecap0 0 50000 PWM_POLARITY_INVERTED>;
		brightness-levels = <0 51 53 56 62 75 101 152 255>;
		default-brightness-level = <8>;
	};

	matrix_keypad: matrix_keypad0 {
		compatible = "gpio-matrix-keypad";
		debounce-delay-ms = <5>;
		col-scan-delay-us = <2>;

		pinctrl-names = "default", "sleep";
		pinctrl-0 = <&matrix_keypad_default>;
		pinctrl-1 = <&matrix_keypad_sleep>;

Annotation

Implementation Notes