arch/arm/boot/dts/rockchip/rk3288-rock2-som.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/rockchip/rk3288-rock2-som.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/rockchip/rk3288-rock2-som.dtsi
Extension
.dtsi
Size
5724 bytes
Lines
274
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)

#include <dt-bindings/pwm/pwm.h>
#include "rk3288.dtsi"

/ {
	memory@0 {
		reg = <0x0 0x0 0x0 0x80000000>;
		device_type = "memory";
	};

	emmc_pwrseq: emmc-pwrseq {
		compatible = "mmc-pwrseq-emmc";
		pinctrl-0 = <&emmc_reset>;
		pinctrl-names = "default";
		reset-gpios = <&gpio3 RK_PB1 GPIO_ACTIVE_LOW>;
	};

	ext_gmac: external-gmac-clock {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <125000000>;
		clock-output-names = "ext_gmac";
	};

	vcc_flash: regulator-flash {
		compatible = "regulator-fixed";
		regulator-name = "vcc_flash";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		startup-delay-us = <150>;
		vin-supply = <&vcc_io>;
	};

	vcc_sys: regulator-vsys {
		compatible = "regulator-fixed";
		regulator-name = "vcc_sys";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
		regulator-boot-on;
	};
};

&cpu0 {
	cpu0-supply = <&vdd_cpu>;
};

&emmc {
	bus-width = <8>;
	cap-mmc-highspeed;
	disable-wp;
	non-removable;
	mmc-pwrseq = <&emmc_pwrseq>;
	pinctrl-names = "default";
	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
	vmmc-supply = <&vcc_io>;
	vqmmc-supply = <&vcc_flash>;
	status = "okay";
};

&gmac {
	assigned-clocks = <&cru SCLK_MAC>;
	assigned-clock-parents = <&ext_gmac>;
	clock_in_out = "input";
	phy-mode = "rgmii";
	phy-supply = <&vccio_pmu>;
	pinctrl-names = "default";
	pinctrl-0 = <&rgmii_pins &phy_rst>;
	snps,reset-gpio = <&gpio4 RK_PB0 GPIO_ACTIVE_LOW>;

Annotation

Implementation Notes