Documentation / devicetree / bindings / power / amlogic,meson-ee-pwrc.yaml


Based on kernel version 6.8. Page generated on 2024-03-11 21:26 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
# Copyright 2019 BayLibre, SAS
%YAML 1.2
---
$id: http://devicetree.org/schemas/power/amlogic,meson-ee-pwrc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Amlogic Meson Everything-Else Power Domains

maintainers:
  - Neil Armstrong <neil.armstrong@linaro.org>

description: |+
  The Everything-Else Power Domains node should be the child of a syscon
  node with the required property:

  - compatible: Should be the following:
                "amlogic,meson-gx-hhi-sysctrl", "simple-mfd", "syscon"
 
  Refer to the bindings described in
  Documentation/devicetree/bindings/mfd/syscon.yaml

properties:
  compatible:
    enum:
      - amlogic,meson8-pwrc
      - amlogic,meson8b-pwrc
      - amlogic,meson8m2-pwrc
      - amlogic,meson-gxbb-pwrc
      - amlogic,meson-axg-pwrc
      - amlogic,meson-g12a-pwrc
      - amlogic,meson-sm1-pwrc

  clocks:
    minItems: 1
    maxItems: 2

  clock-names:
    minItems: 1
    items:
      - const: vpu
      - const: vapb

  resets:
    minItems: 5
    maxItems: 12

  reset-names:
    minItems: 5
    maxItems: 12
 
  "#power-domain-cells":
    const: 1

  amlogic,ao-sysctrl:
    description: phandle to the AO sysctrl node
    $ref: /schemas/types.yaml#/definitions/phandle

allOf:
  - if:
      properties:
        compatible:
          enum:
            - amlogic,meson8b-pwrc
            - amlogic,meson8m2-pwrc
    then:
      properties:
        reset-names:
          items:
            - const: dblk
            - const: pic_dc
            - const: hdmi_apb
            - const: hdmi_system
            - const: venci
            - const: vencp
            - const: vdac
            - const: vencl
            - const: viu
            - const: venc
            - const: rdma
      required:
        - resets
        - reset-names

  - if:
      properties:
        compatible:
          enum:
            - amlogic,meson-gxbb-pwrc
    then:
      properties:
        reset-names:
          items:
            - const: viu
            - const: venc
            - const: vcbus
            - const: bt656
            - const: dvin
            - const: rdma
            - const: venci
            - const: vencp
            - const: vdac
            - const: vdi6
            - const: vencl
            - const: vid_lock
      required:
        - resets
        - reset-names

  - if:
      properties:
        compatible:
          enum:
            - amlogic,meson-axg-pwrc
    then:
      properties:
        reset-names:
          items:
            - const: viu
            - const: venc
            - const: vcbus
            - const: vencl
            - const: vid_lock
      required:
        - resets
        - reset-names

  - if:
      properties:
        compatible:
          enum:
            - amlogic,meson-g12a-pwrc
            - amlogic,meson-sm1-pwrc
    then:
      properties:
        reset-names:
          items:
            - const: viu
            - const: venc
            - const: vcbus
            - const: bt656
            - const: rdma
            - const: venci
            - const: vencp
            - const: vdac
            - const: vdi6
            - const: vencl
            - const: vid_lock
      required:
        - resets
        - reset-names

required:
  - compatible
  - clocks
  - clock-names
  - "#power-domain-cells"
  - amlogic,ao-sysctrl

additionalProperties: false

examples:
  - |
    pwrc: power-controller {
          compatible = "amlogic,meson-sm1-pwrc";
          #power-domain-cells = <1>;
          amlogic,ao-sysctrl = <&rti>;
          resets = <&reset_viu>,
                   <&reset_venc>,
                   <&reset_vcbus>,
                   <&reset_bt656>,
                   <&reset_rdma>,
                   <&reset_venci>,
                   <&reset_vencp>,
                   <&reset_vdac>,
                   <&reset_vdi6>,
                   <&reset_vencl>,
                   <&reset_vid_lock>;
          reset-names = "viu", "venc", "vcbus", "bt656",
                        "rdma", "venci", "vencp", "vdac",
                        "vdi6", "vencl", "vid_lock";
          clocks = <&clk_vpu>, <&clk_vapb>;
          clock-names = "vpu", "vapb";
    };