arch/arm64/boot/dts/rockchip/rk3368-evb-act8846.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/rockchip/rk3368-evb-act8846.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/rockchip/rk3368-evb-act8846.dts
Extension
.dts
Size
3178 bytes
Lines
140
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+ OR MIT)
/*
 * Copyright (c) 2015 Caesar Wang <wxt@rock-chips.com>
 */

/dts-v1/;
#include "rk3368-evb.dtsi"

/ {
	model = "Rockchip RK3368 EVB with ACT8846 pmic";
	compatible = "rockchip,rk3368-evb-act8846", "rockchip,rk3368";
};

&i2c0 {
	clock-frequency = <400000>;

	vdd_cpu: syr827@40 {
		compatible = "silergy,syr827";
		reg = <0x40>;
		fcs,suspend-voltage-selector = <1>;
		regulator-name = "vdd_cpu";
		regulator-min-microvolt = <850000>;
		regulator-max-microvolt = <1350000>;
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&vcc_sys>;
	};

	vdd_gpu: syr828@41 {
		compatible = "silergy,syr828";
		reg = <0x41>;
		fcs,suspend-voltage-selector = <1>;
		regulator-name = "vdd_gpu";
		regulator-min-microvolt = <850000>;
		regulator-max-microvolt = <1350000>;
		regulator-always-on;
		vin-supply = <&vcc_sys>;
	};

	act8846: act8846@5a {
		compatible = "active-semi,act8846";
		reg = <0x5a>;
		status = "okay";

		vp1-supply = <&vcc_sys>;
		vp2-supply = <&vcc_sys>;
		vp3-supply = <&vcc_sys>;
		vp4-supply = <&vcc_sys>;
		inl1-supply = <&vcc_io>;
		inl2-supply = <&vcc_sys>;
		inl3-supply = <&vcc_20>;

		regulators {
			vcc_ddr: REG1 {
				regulator-name = "VCC_DDR";
				regulator-min-microvolt = <1200000>;
				regulator-max-microvolt = <1200000>;
				regulator-always-on;
			};

			vcc_io: REG2 {
				regulator-name = "VCC_IO";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-always-on;
			};

			vdd_log: REG3 {
				regulator-name = "VDD_LOG";
				regulator-min-microvolt = <700000>;

Annotation

Implementation Notes