Documentation / devicetree / bindings / clock / qcom,videocc.yaml


Based on kernel version 6.11. Page generated on 2024-09-24 08:21 EST.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/qcom,videocc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm Video Clock & Reset Controller

maintainers:
  - Taniya Das <quic_tdas@quicinc.com>

description: |
  Qualcomm video clock control module provides the clocks, resets and power
  domains on Qualcomm SoCs.
 
  See also::
    include/dt-bindings/clock/qcom,videocc-sc7180.h
    include/dt-bindings/clock/qcom,videocc-sc7280.h
    include/dt-bindings/clock/qcom,videocc-sdm845.h
    include/dt-bindings/clock/qcom,videocc-sm8150.h
    include/dt-bindings/clock/qcom,videocc-sm8250.h

properties:
  compatible:
    enum:
      - qcom,sc7180-videocc
      - qcom,sc7280-videocc
      - qcom,sdm845-videocc
      - qcom,sm8150-videocc
      - qcom,sm8250-videocc

  clocks:
    minItems: 1
    maxItems: 3

  clock-names:
    minItems: 1
    maxItems: 3

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

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

required:
  - compatible
  - clocks
  - clock-names
  - '#power-domain-cells'

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

  - if:
      properties:
        compatible:
          enum:
            - qcom,sc7180-videocc
            - qcom,sdm845-videocc
    then:
      properties:
        clocks:
          items:
            - description: Board XO source
        clock-names:
          items:
            - const: bi_tcxo

  - if:
      properties:
        compatible:
          enum:
            - qcom,sc7280-videocc
    then:
      properties:
        clocks:
          items:
            - description: Board XO source
            - description: Board active XO source
        clock-names:
          items:
            - const: bi_tcxo
            - const: bi_tcxo_ao

  - if:
      properties:
        compatible:
          enum:
            - qcom,sm8150-videocc
    then:
      properties:
        clocks:
          items:
            - description: AHB
            - description: Board XO source
        clock-names:
          items:
            - const: iface
            - const: bi_tcxo

  - if:
      properties:
        compatible:
          enum:
            - qcom,sm8250-videocc
    then:
      properties:
        clocks:
          items:
            - description: AHB
            - description: Board XO source
            - description: Board active XO source
        clock-names:
          items:
            - const: iface
            - const: bi_tcxo
            - const: bi_tcxo_ao

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/qcom,rpmh.h>
    #include <dt-bindings/power/qcom,rpmhpd.h>
    clock-controller@ab00000 {
      compatible = "qcom,sdm845-videocc";
      reg = <0x0ab00000 0x10000>;
      clocks = <&rpmhcc RPMH_CXO_CLK>;
      clock-names = "bi_tcxo";
      #clock-cells = <1>;
      #reset-cells = <1>;
      #power-domain-cells = <1>;
      power-domains = <&rpmhpd RPMHPD_MMCX>;
      required-opps = <&rpmhpd_opp_low_svs>;
    };
...