arch/arm/boot/dts/rockchip/rv1103b-omega4.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/rockchip/rv1103b-omega4.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/rockchip/rv1103b-omega4.dtsi
Extension
.dtsi
Size
2846 bytes
Lines
148
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) 2022 Rockchip Electronics Co., Ltd.
 * Copyright (c) 2025 plan44.ch/luz
 * Copyright (c) 2026 Onion Corporation
 */

/dts-v1/;

#include "rv1103b.dtsi"

/ {
	sdio_pwrseq: sdio-pwrseq {
		compatible = "mmc-pwrseq-simple";
		pinctrl-names = "default";
		pinctrl-0 = <&wifi_enable_h>;
		post-power-on-delay-ms = <300>;
		reset-gpios = <&gpio2 RK_PB2 GPIO_ACTIVE_LOW>;
	};

	vcc3v3_sd: vcc3v3-sd {
		compatible = "regulator-fixed";
		gpio = <&gpio0 RK_PA4 GPIO_ACTIVE_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&sdmmc_pwren>;
		regulator-name = "vcc3v3_sd";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	vccio_sd: vccio-sd {
		compatible = "regulator-gpio";
		gpios = <&gpio0 RK_PA3 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&sdmmc_volt>;
		regulator-name = "vccio_sd";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;
		states = <3300000 1 1800000 0>;
	};
};

&uart0 {
	bootph-all;
	pinctrl-names = "default";
	pinctrl-0 = <&uart0m0_xfer>;
};

&fspi0 {
	spi_nand: flash@0 {
		compatible = "spi-nand";
		reg = <0>;
		bootph-pre-ram;
		bootph-some-ram;
		spi-max-frequency = <75000000>;
		spi-rx-bus-width = <4>;
		spi-tx-bus-width = <1>;

		partitions {
			compatible = "fixed-partitions";
			#address-cells = <1>;
			#size-cells = <1>;

			partition@0 {
				reg = <0x00000000 0x00040000>;
				label = "env";
			};

			partition@40000 {
				reg = <0x00040000 0x00100000>;

Annotation

Implementation Notes