arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
Extension
.dts
Size
9719 bytes
Lines
596
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

/dts-v1/;
#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>

#include "mt7622.dtsi"
#include "mt6380.dtsi"

/ {
	model = "MediaTek MT7622 RFB1 board";
	chassis-type = "embedded";
	compatible = "mediatek,mt7622-rfb1", "mediatek,mt7622";

	aliases {
		serial0 = &uart0;
	};

	chosen {
		stdout-path = "serial0:115200n8";
		bootargs = "earlycon=uart8250,mmio32,0x11002000 swiotlb=512";
	};

	cpus {
		cpu@0 {
			proc-supply = <&mt6380_vcpu_reg>;
			sram-supply = <&mt6380_vm_reg>;
		};

		cpu@1 {
			proc-supply = <&mt6380_vcpu_reg>;
			sram-supply = <&mt6380_vm_reg>;
		};
	};

	gpio-keys {
		compatible = "gpio-keys";

		key-factory {
			label = "factory";
			linux,code = <BTN_0>;
			gpios = <&pio 0 0>;
		};

		key-wps {
			label = "wps";
			linux,code = <KEY_WPS_BUTTON>;
			gpios = <&pio 102 0>;
		};
	};

	memory@40000000 {
		reg = <0 0x40000000 0 0x20000000>;
		device_type = "memory";
	};

	reg_1p8v: regulator-1p8v {
		compatible = "regulator-fixed";
		regulator-name = "fixed-1.8V";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-always-on;
	};

	reg_3p3v: regulator-3p3v {
		compatible = "regulator-fixed";
		regulator-name = "fixed-3.3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		regulator-always-on;
	};

Annotation

Implementation Notes