Documentation/devicetree/bindings/clock/qcom,qcm2290-gpucc.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/clock/qcom,qcm2290-gpucc.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/clock/qcom,qcm2290-gpucc.yaml
Extension
.yaml
Size
1920 bytes
Lines
78
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

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Annotated Snippet

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/qcom,qcm2290-gpucc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm Graphics Clock & Reset Controller on QCM2290

maintainers:
  - Konrad Dybcio <konradybcio@kernel.org>

description: |
  Qualcomm graphics clock control module provides the clocks, resets and power
  domains on Qualcomm SoCs.

  See also::
    include/dt-bindings/clock/qcom,qcm2290-gpucc.h

properties:
  compatible:
    const: qcom,qcm2290-gpucc

  reg:
    maxItems: 1

  clocks:
    items:
      - description: AHB interface clock,
      - description: SoC CXO clock
      - description: GPLL0 main branch source
      - description: GPLL0 div branch source

  power-domains:
    description:
      A phandle and PM domain specifier for the CX power domain.
    maxItems: 1

  required-opps:
    description:
      A phandle to an OPP node describing required CX performance point.
    maxItems: 1

required:
  - compatible
  - clocks
  - power-domains

allOf:
  - $ref: qcom,gcc.yaml#

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/qcom,gcc-qcm2290.h>
    #include <dt-bindings/clock/qcom,rpmcc.h>
    #include <dt-bindings/power/qcom-rpmpd.h>

    soc {
        #address-cells = <2>;
        #size-cells = <2>;

        clock-controller@5990000 {
            compatible = "qcom,qcm2290-gpucc";
            reg = <0x0 0x05990000 0x0 0x9000>;
            clocks = <&gcc GCC_GPU_CFG_AHB_CLK>,
                     <&rpmcc RPM_SMD_XO_CLK_SRC>,
                     <&gcc GCC_GPU_GPLL0_CLK_SRC>,
                     <&gcc GCC_GPU_GPLL0_DIV_CLK_SRC>;
            power-domains = <&rpmpd QCM2290_VDDCX>;

Annotation

Implementation Notes