arch/arm64/boot/dts/qcom/pmi8950.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/pmi8950.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/pmi8950.dtsi
Extension
.dtsi
Size
2726 bytes
Lines
131
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

// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2019, AngeloGioacchino Del Regno <kholk11@gmail.com>

#include <dt-bindings/iio/qcom,spmi-vadc.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/spmi/spmi.h>

&spmi_bus {
	pmic@2 {
		compatible = "qcom,pmi8950", "qcom,spmi-pmic";
		reg = <0x2 SPMI_USID>;
		#address-cells = <1>;
		#size-cells = <0>;

		pmi8950_vadc: adc@3100 {
			compatible = "qcom,spmi-vadc";
			reg = <0x3100>;
			interrupts = <0x2 0x31 0x0 IRQ_TYPE_EDGE_RISING>;
			#address-cells = <1>;
			#size-cells = <0>;
			#io-channel-cells = <1>;

			channel@0 {
				reg = <VADC_USBIN>;
				qcom,pre-scaling = <1 20>;
				label = "usbin";
			};

			channel@1 {
				reg = <VADC_DCIN>;
				qcom,pre-scaling = <1 20>;
				label = "dcin";
			};

			channel@2 {
				reg = <VADC_VCHG_SNS>;
				qcom,pre-scaling = <1 3>;
				label = "vchg_sns";
			};

			channel@9 {
				reg = <VADC_REF_625MV>;
				qcom,pre-scaling = <1 1>;
				label = "ref_625mv";
			};

			channel@a {
				reg = <VADC_REF_1250MV>;
				qcom,pre-scaling = <1 1>;
				label = "ref_1250mv";
			};

			channel@d {
				reg = <VADC_SPARE2>;
				qcom,pre-scaling = <1 1>;
				label = "chg_temp";
			};

			channel@e {
				reg = <VADC_GND_REF>;
			};

			channel@f {
				reg = <VADC_VDD_VADC>;
			};
		};

		pmi8950_mpps: mpps@a000 {
			compatible = "qcom,pmi8950-mpp", "qcom,spmi-mpp";
			reg = <0xa000>;

Annotation

Implementation Notes