arch/arm/boot/dts/qcom/pm8921.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/qcom/pm8921.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/qcom/pm8921.dtsi
Extension
.dtsi
Size
3013 bytes
Lines
144
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

&ssbi {
	pm8921: pmic {
		compatible = "qcom,pm8921";
		#interrupt-cells = <2>;
		interrupt-controller;
		#address-cells = <1>;
		#size-cells = <0>;

		pwrkey@1c {
			compatible = "qcom,pm8921-pwrkey";
			reg = <0x1c>;
			interrupts-extended = <&pm8921 50 IRQ_TYPE_EDGE_RISING>,
					      <&pm8921 51 IRQ_TYPE_EDGE_RISING>;
			debounce = <15625>;
			pull-up;
		};

		pm8921_vibrator: vibrator@4a {
			compatible = "qcom,pm8921-vib";
			reg = <0x4a>;
			status = "disabled";
		};

		pm8921_mpps: mpps@50 {
			compatible = "qcom,pm8921-mpp",
				     "qcom,ssbi-mpp";
			reg = <0x50>;
			gpio-controller;
			#gpio-cells = <2>;
			gpio-ranges = <&pm8921_mpps 0 0 12>;
			interrupt-controller;
			#interrupt-cells = <2>;
		};

		rtc@11d {
			compatible = "qcom,pm8921-rtc";
			reg = <0x11d>;
			interrupts-extended = <&pm8921 39 IRQ_TYPE_EDGE_RISING>;
			allow-set-time;
		};

		pm8921_keypad: keypad@148 {
			compatible = "qcom,pm8921-keypad";
			reg = <0x148>;
			interrupts-extended = <&pm8921 74 IRQ_TYPE_EDGE_RISING>,
					      <&pm8921 75 IRQ_TYPE_EDGE_RISING>;
			debounce = <15>;
			scan-delay = <32>;
			row-hold = <91500>;
			status = "disabled";
		};

		pm8921_gpio: gpio@150 {

			compatible = "qcom,pm8921-gpio",
				     "qcom,ssbi-gpio";
			reg = <0x150>;
			interrupt-controller;
			#interrupt-cells = <2>;
			gpio-controller;
			gpio-ranges = <&pm8921_gpio 0 0 44>;
			#gpio-cells = <2>;

		};

		pm8921_xoadc: xoadc@197 {
			compatible = "qcom,pm8921-adc";
			reg = <0x197>;

Annotation

Implementation Notes