arch/arm/boot/dts/rockchip/rk3288-veyron-edp.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/rockchip/rk3288-veyron-edp.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/rockchip/rk3288-veyron-edp.dtsi
Extension
.dtsi
Size
2771 bytes
Lines
142
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 MIT)
/*
 * Google Veyron (and derivatives) fragment for the edp displays
 *
 * Copyright 2019 Google LLC
 */

/ {
	backlight_regulator: regulator-backlight {
		compatible = "regulator-fixed";
		enable-active-high;
		gpio = <&gpio2 RK_PB4 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&bl_pwr_en>;
		regulator-name = "backlight_regulator";
		vin-supply = <&vcc33_sys>;
		startup-delay-us = <15000>;
	};

	panel_regulator: regulator-panel {
		compatible = "regulator-fixed";
		enable-active-high;
		gpio = <&gpio7 RK_PB6 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&lcd_enable_h>;
		regulator-name = "panel_regulator";
		vin-supply = <&vcc33_sys>;
	};

	vcc18_lcd: vcc18-lcd {
		compatible = "regulator-fixed";
		enable-active-high;
		gpio = <&gpio2 RK_PB5 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&avdd_1v8_disp_en>;
		regulator-name = "vcc18_lcd";
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&vcc18_wl>;
	};

	backlight: backlight {
		compatible = "pwm-backlight";
		brightness-levels = <0 255>;
		num-interpolated-steps = <255>;
		default-brightness-level = <128>;
		enable-gpios = <&gpio7 RK_PA2 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&bl_en>;
		pwms = <&pwm0 0 1000000 0>;
		post-pwm-on-delay-ms = <10>;
		pwm-off-delay-ms = <10>;
		power-supply = <&backlight_regulator>;
	};

	panel: panel {
		compatible = "innolux,n116bge";
		status = "okay";
		power-supply = <&panel_regulator>;
		backlight = <&backlight>;

		panel-timing {
			clock-frequency = <74250000>;
			hactive = <1366>;
			hfront-porch = <136>;
			hback-porch = <60>;
			hsync-len = <30>;
			hsync-active = <0>;
			vactive = <768>;
			vfront-porch = <8>;

Annotation

Implementation Notes