arch/arm64/boot/dts/mediatek/mt7622.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/mediatek/mt7622.dtsi
Extension
.dtsi
Size
26556 bytes
Lines
1009
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

#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/mt7622-clk.h>
#include <dt-bindings/phy/phy.h>
#include <dt-bindings/power/mt7622-power.h>
#include <dt-bindings/reset/mt7622-reset.h>
#include <dt-bindings/thermal/thermal.h>

/ {
	compatible = "mediatek,mt7622";
	interrupt-parent = <&sysirq>;
	#address-cells = <2>;
	#size-cells = <2>;

	cpu_opp_table: opp-table {
		compatible = "operating-points-v2";
		opp-shared;
		opp-300000000 {
			opp-hz = /bits/ 64 <30000000>;
			opp-microvolt = <950000>;
		};

		opp-437500000 {
			opp-hz = /bits/ 64 <437500000>;
			opp-microvolt = <1000000>;
		};

		opp-600000000 {
			opp-hz = /bits/ 64 <600000000>;
			opp-microvolt = <1050000>;
		};

		opp-812500000 {
			opp-hz = /bits/ 64 <812500000>;
			opp-microvolt = <1100000>;
		};

		opp-1025000000 {
			opp-hz = /bits/ 64 <1025000000>;
			opp-microvolt = <1150000>;
		};

		opp-1137500000 {
			opp-hz = /bits/ 64 <1137500000>;
			opp-microvolt = <1200000>;
		};

		opp-1262500000 {
			opp-hz = /bits/ 64 <1262500000>;
			opp-microvolt = <1250000>;
		};

		opp-1350000000 {
			opp-hz = /bits/ 64 <1350000000>;
			opp-microvolt = <1310000>;
		};
	};

	cpus {
		#address-cells = <2>;
		#size-cells = <0>;

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x0>;
			clocks = <&infracfg CLK_INFRA_MUX1_SEL>,
				 <&apmixedsys CLK_APMIXED_MAIN_CORE_EN>;
			clock-names = "cpu", "intermediate";
			operating-points-v2 = <&cpu_opp_table>;

Annotation

Implementation Notes