arch/arm64/boot/dts/qcom/sm8550-samsung-q5q.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/sm8550-samsung-q5q.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/sm8550-samsung-q5q.dts
Extension
.dts
Size
14745 bytes
Lines
610
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: BSD-3-Clause
/*
 * Copyright (c) 2024, Alexandru Marc Serdeliuc <serdeliuk@yahoo.com>
 * Copyright (c) 2024, David Wronek <david@mainlining.org>
 * Copyright (c) 2022, Linaro Limited
 */

/dts-v1/;

#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
#include "sm8550.dtsi"
#include "pm8550.dtsi"
#include "pm8550vs.dtsi"
#include "pmk8550.dtsi"

/delete-node/ &adspslpi_mem;
/delete-node/ &cdsp_mem;
/delete-node/ &mpss_dsm_mem;
/delete-node/ &mpss_mem;
/delete-node/ &rmtfs_mem;

/ {
	model = "Samsung Galaxy Z Fold5";
	compatible = "samsung,q5q", "qcom,sm8550";
	chassis-type = "handset";

	aliases {
		serial0 = &uart7;
	};

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

		framebuffer: framebuffer@b8000000 {
			compatible = "simple-framebuffer";
			reg = <0x0 0xb8000000 0x0 0x2b00000>;
			width = <2176>;
			height = <1812>;
			stride = <(2176 * 4)>;
			format = "a8r8g8b8";
		};
	};

	gpio-keys {
		compatible = "gpio-keys";
		pinctrl-0 = <&volume_up_n>;
		pinctrl-names = "default";

		key-volume-up {
			label = "Volume Up";
			linux,code = <KEY_VOLUMEUP>;
			gpios = <&pm8550_gpios 6 GPIO_ACTIVE_LOW>;
			debounce-interval = <15>;
			linux,can-disable;
			wakeup-source;
		};
	};

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

Annotation

Implementation Notes