arch/arm64/boot/dts/qcom/qrb4210-rb2.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
Extension
.dts
Size
14285 bytes
Lines
759
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) 2023, Linaro Limited
 */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/sound/qcom,q6afe.h>
#include <dt-bindings/sound/qcom,q6asm.h>
#include <dt-bindings/usb/pd.h>
#include "sm4250.dtsi"
#include "pm6125.dtsi"
#include "pmi632.dtsi"

/ {
	model = "Qualcomm Technologies, Inc. QRB4210 RB2";
	compatible = "qcom,qrb4210-rb2", "qcom,qrb4210", "qcom,sm4250";

	aliases {
		serial0 = &uart4;
		serial1 = &uart3;
	};

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

	clocks {
		clk40m: can-clk {
			compatible = "fixed-clock";
			clock-frequency = <40000000>;
			#clock-cells = <0>;
		};
	};

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

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

		key-volume-up {
			label = "Volume Up";
			linux,code = <KEY_VOLUMEUP>;
			gpios = <&pm6125_gpios 5 GPIO_ACTIVE_LOW>;
			debounce-interval = <15>;
			linux,can-disable;
			wakeup-source;
		};
	};

	hdmi-connector {
		compatible = "hdmi-connector";
		type = "a";

		port {
			hdmi_con: endpoint {
				remote-endpoint = <&lt9611_out>;
			};
		};
	};

	i2c2_gpio: i2c {
		compatible = "i2c-gpio";

		sda-gpios = <&tlmm 6 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
		scl-gpios = <&tlmm 7 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;

Annotation

Implementation Notes