arch/arm64/boot/dts/rockchip/rk3568-wolfvision-pf5-io-expander.dtso

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/rockchip/rk3568-wolfvision-pf5-io-expander.dtso

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/rockchip/rk3568-wolfvision-pf5-io-expander.dtso
Extension
.dtso
Size
3630 bytes
Lines
157
Domain
Architecture Layer
Bucket
arch/arm64
Inferred role
Architecture Layer: arch/arm64
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-later OR MIT)
/*
 * Device tree overlay for the WolfVision PF5 IO Expander board.
 *
 * Copyright (C) 2024 WolfVision GmbH.
 */

/dts-v1/;
/plugin/;

#include <dt-bindings/clock/rk3568-cru.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/media/video-interfaces.h>
#include <dt-bindings/pinctrl/rockchip.h>

&{/} {
	gmac0_clkin: external-gmac0-clock {
		compatible = "fixed-clock";
		clock-frequency = <50000000>;
		clock-output-names = "gmac0_clkin";
		#clock-cells = <0>;
	};

	usb_host_vbus: regulator-usb-host-vbus {
		compatible = "regulator-fixed";
		enable-active-high;
		gpio = <&gpio1 RK_PA3 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&usb_host_vbus_en>;
		regulator-name = "usb_host_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&vcc5v_in>;
	};

	vcc1v8_eth: regulator-vcc1v8-eth {
		compatible = "regulator-fixed";
		enable-active-high;
		gpio = <&gpio0 RK_PC1 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&vcc1v8_eth_en>;
		regulator-always-on;
		regulator-boot-on;
		regulator-name = "1v8_eth";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		vin-supply = <&vcc3v3_sys>;
	};

	vcc3v3_eth: regulator-vcc3v3-eth {
		compatible = "regulator-fixed";
		gpio = <&gpio0 RK_PC0 GPIO_ACTIVE_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&vcc3v3_eth_enn>;
		regulator-always-on;
		regulator-boot-on;
		regulator-name = "3v3_eth";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&vcc3v3_sys>;
	};
};

&gmac0 {
	assigned-clocks = <&cru SCLK_GMAC0_RX_TX>,
			  <&cru SCLK_GMAC0>;
	assigned-clock-parents = <&cru SCLK_GMAC0_RMII_SPEED>,
				 <&gmac0_clkin>;
	clock_in_out = "input";

Annotation

Implementation Notes