arch/arm64/boot/dts/qcom/msm8917-xiaomi-wingtech.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/msm8917-xiaomi-wingtech.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/msm8917-xiaomi-wingtech.dtsi
Extension
.dtsi
Size
6697 bytes
Lines
332
Domain
Architecture Layer
Bucket
arch/arm64
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) 2023, Barnabas Czeman
 */

/dts-v1/;

#include <dt-bindings/arm/qcom,ids.h>
#include <dt-bindings/gpio/gpio.h>
#include "msm8917.dtsi"
#include "pm8937.dtsi"

/delete-node/ &qseecom_mem;

/ {
	chassis-type = "handset";

	qcom,msm-id = <QCOM_ID_MSM8917 0>;

	pwm_backlight: backlight {
		compatible = "pwm-backlight";
		pwms = <&pm8937_pwm 0 100000>;
		brightness-levels = <0 255>;
		num-interpolated-steps = <255>;
		default-brightness-level = <128>;
	};

	chosen {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		framebuffer {
			compatible = "simple-framebuffer";
			memory-region = <&framebuffer_mem>;
			width = <720>;
			height = <1280>;
			stride = <(720 * 3)>;
			format = "r8g8b8";

			clocks = <&gcc GCC_MDSS_AHB_CLK>,
				 <&gcc GCC_MDSS_AXI_CLK>,
				 <&gcc GCC_MDSS_VSYNC_CLK>,
				 <&gcc GCC_MDSS_MDP_CLK>,
				 <&gcc GCC_MDSS_BYTE0_CLK>,
				 <&gcc GCC_MDSS_PCLK0_CLK>,
				 <&gcc GCC_MDSS_ESC0_CLK>;
			power-domains = <&gcc MDSS_GDSC>;
		};
	};

	gpio-keys {
		compatible = "gpio-keys";

		pinctrl-0 = <&gpio_keys_default>;
		pinctrl-names = "default";

		key-volup {
			label = "Volume Up";
			linux,code = <KEY_VOLUMEUP>;
			gpios = <&tlmm 91 GPIO_ACTIVE_LOW>;
			debounce-interval = <15>;
		};
	};

	vph_pwr: regulator-vph-pwr {
		compatible = "regulator-fixed";
		regulator-name = "vph_pwr";
		regulator-min-microvolt = <3700000>;
		regulator-max-microvolt = <3700000>;

Annotation

Implementation Notes