arch/arm/boot/dts/ti/omap/am335x-sl50.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/am335x-sl50.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/am335x-sl50.dts
Extension
.dts
Size
19921 bytes
Lines
723
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) 2015 Toby Churchill - https://www.toby-churchill.com/
 * url above is defunct
 */
/dts-v1/;

#include "am33xx.dtsi"
#include <dt-bindings/pwm/pwm.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	model = "Toby Churchill SL50 Series";
	compatible = "tcl,am335x-sl50", "ti,am33xx";

	cpus {
		cpu@0 {
			cpu0-supply = <&dcdc2_reg>;
		};
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x80000000 0x20000000>; /* 512 MB */
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&led_pins>;

		led0 {
			label = "sl50:red:usr0";
			gpios = <&gpio1 21 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};

		led1 {
			label = "sl50:green:usr1";
			gpios = <&gpio1 22 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};

		led2 {
			label = "sl50:red:usr2";
			gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};

		led3 {
			label = "sl50:green:usr3";
			gpios = <&gpio1 24 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};
	};

	backlight0: disp0 {
		compatible = "pwm-backlight";
		pinctrl-names = "default";
		pinctrl-0 = <&backlight0_pins>;
		pwms = <&ehrpwm1 0 500000 PWM_POLARITY_INVERTED>;
		brightness-levels = < 0  1  2  3  4  5  6  7  8  9
				     10 11 12 13 14 15 16 17 18 19
				     20 21 22 23 24 25 26 27 28 29
				     30 31 32 33 34 35 36 37 38 39
				     40 41 42 43 44 45 46 47 48 49

Annotation

Implementation Notes