arch/arm/boot/dts/rockchip/rk3066a.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/rockchip/rk3066a.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/rockchip/rk3066a.dtsi
Extension
.dtsi
Size
19832 bytes
Lines
899
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)
/*
 * Copyright (c) 2013 MundoReader S.L.
 * Author: Heiko Stuebner <heiko@sntech.de>
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/rockchip.h>
#include <dt-bindings/clock/rk3066a-cru.h>
#include <dt-bindings/power/rk3066-power.h>
#include "rk3xxx.dtsi"

/ {
	compatible = "rockchip,rk3066a";

	aliases {
		gpio4 = &gpio4;
		gpio6 = &gpio6;
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		enable-method = "rockchip,rk3066-smp";

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			next-level-cache = <&L2>;
			reg = <0x0>;
			operating-points =
				/* kHz    uV */
				<1416000 1300000>,
				<1200000 1175000>,
				<1008000 1125000>,
				<816000  1125000>,
				<600000  1100000>,
				<504000  1100000>,
				<312000  1075000>;
			clock-latency = <40000>;
			clocks = <&cru ARMCLK>;
		};
		cpu1: cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			next-level-cache = <&L2>;
			reg = <0x1>;
		};
	};

	display-subsystem {
		compatible = "rockchip,display-subsystem";
		ports = <&vop0_out>, <&vop1_out>;
	};

	hdmi_sound: hdmi-sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "HDMI";
		simple-audio-card,format = "i2s";
		simple-audio-card,mclk-fs = <256>;
		status = "disabled";

		simple-audio-card,codec {
			sound-dai = <&hdmi>;
		};

		simple-audio-card,cpu {
			sound-dai = <&i2s0>;
		};
	};

Annotation

Implementation Notes