arch/arm/boot/dts/nvidia/tegra30-asus-nexus7-grouper-maxim-pmic.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nvidia/tegra30-asus-nexus7-grouper-maxim-pmic.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nvidia/tegra30-asus-nexus7-grouper-maxim-pmic.dtsi
Extension
.dtsi
Size
4452 bytes
Lines
195
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

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/mfd/max77620.h>

/ {
	i2c@7000d000 {
		pmic: pmic@3c {
			compatible = "maxim,max77663";
			reg = <0x3c>;

			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
			#interrupt-cells = <2>;
			interrupt-controller;

			#gpio-cells = <2>;
			gpio-controller;

			system-power-controller;

			pinctrl-names = "default";
			pinctrl-0 = <&max77620_default>;

			cpu-pwr-req-hog {
				gpio-hog;
				gpios = <6 GPIO_ACTIVE_HIGH>;
				input;
			};

			fps {
				fps0 {
					maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN0>;
				};

				fps1 {
					maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN1>;
				};

				fps2 {
					maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN0>;
				};
			};

			max77620_default: pinmux {
				gpio4 {
					pins = "gpio4";
					function = "32k-out1";
				};
			};

			regulators {
				in-sd0-supply = <&vdd_5v0_sys>;
				in-sd1-supply = <&vdd_5v0_sys>;
				in-sd2-supply = <&vdd_5v0_sys>;
				in-sd3-supply = <&vdd_5v0_sys>;
				in-sd4-supply = <&vdd_5v0_sys>;

				in-ldo0-1-supply = <&vdd_1v35>;
				in-ldo2-supply   = <&vdd_3v3_sys>;
				in-ldo3-5-supply = <&vdd_3v3_sys>;
				in-ldo4-6-supply = <&vdd_5v0_sys>;
				in-ldo7-8-supply = <&vdd_1v35>;

				vdd_cpu: sd0 {
					regulator-name = "vdd_cpu";
					regulator-min-microvolt = <800000>;
					regulator-max-microvolt = <1250000>;
					regulator-coupled-with = <&vdd_core>;
					regulator-coupled-max-spread = <300000>;

Annotation

Implementation Notes