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

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 # Copyright 2019 BayLibre, SAS
   3 %YAML 1.2
   4 ---
   5 $id: http://devicetree.org/schemas/power/amlogic,meson-ee-pwrc.yaml#
   6 $schema: http://devicetree.org/meta-schemas/core.yaml#
   7
   8 title: Amlogic Meson Everything-Else Power Domains
   9
  10 maintainers:
  11   - Neil Armstrong <neil.armstrong@linaro.org>
  12
  13 description: |+
  14   The Everything-Else Power Domains node should be the child of a syscon
  15   node with the required property:
  16
  17   - compatible: Should be the following:
  18                 "amlogic,meson-gx-hhi-sysctrl", "simple-mfd", "syscon"
  19
  20   Refer to the bindings described in
  21   Documentation/devicetree/bindings/mfd/syscon.yaml
  22
  23 properties:
  24   compatible:
  25     enum:
  26       - amlogic,meson8-pwrc
  27       - amlogic,meson8b-pwrc
  28       - amlogic,meson8m2-pwrc
  29       - amlogic,meson-gxbb-pwrc
  30       - amlogic,meson-axg-pwrc
  31       - amlogic,meson-g12a-pwrc
  32       - amlogic,meson-sm1-pwrc
  33
  34   clocks:
  35     minItems: 1
  36     maxItems: 2
  37
  38   clock-names:
  39     minItems: 1
  40     items:
  41       - const: vpu
  42       - const: vapb
  43
  44   resets:
  45     minItems: 5
  46     maxItems: 12
  47
  48   reset-names:
  49     minItems: 5
  50     maxItems: 12
  51
  52   "#power-domain-cells":
  53     const: 1
  54
  55   amlogic,ao-sysctrl:
  56     description: phandle to the AO sysctrl node
  57     $ref: /schemas/types.yaml#/definitions/phandle
  58
  59 allOf:
  60   - if:
  61       properties:
  62         compatible:
  63           enum:
  64             - amlogic,meson8b-pwrc
  65             - amlogic,meson8m2-pwrc
  66     then:
  67       properties:
  68         reset-names:
  69           items:
  70             - const: dblk
  71             - const: pic_dc
  72             - const: hdmi_apb
  73             - const: hdmi_system
  74             - const: venci
  75             - const: vencp
  76             - const: vdac
  77             - const: vencl
  78             - const: viu
  79             - const: venc
  80             - const: rdma
  81       required:
  82         - resets
  83         - reset-names
  84
  85   - if:
  86       properties:
  87         compatible:
  88           enum:
  89             - amlogic,meson-gxbb-pwrc
  90     then:
  91       properties:
  92         reset-names:
  93           items:
  94             - const: viu
  95             - const: venc
  96             - const: vcbus
  97             - const: bt656
  98             - const: dvin
  99             - const: rdma
 100             - const: venci
 101             - const: vencp
 102             - const: vdac
 103             - const: vdi6
 104             - const: vencl
 105             - const: vid_lock
 106       required:
 107         - resets
 108         - reset-names
 109
 110   - if:
 111       properties:
 112         compatible:
 113           enum:
 114             - amlogic,meson-axg-pwrc
 115     then:
 116       properties:
 117         reset-names:
 118           items:
 119             - const: viu
 120             - const: venc
 121             - const: vcbus
 122             - const: vencl
 123             - const: vid_lock
 124       required:
 125         - resets
 126         - reset-names
 127
 128   - if:
 129       properties:
 130         compatible:
 131           enum:
 132             - amlogic,meson-g12a-pwrc
 133             - amlogic,meson-sm1-pwrc
 134     then:
 135       properties:
 136         reset-names:
 137           items:
 138             - const: viu
 139             - const: venc
 140             - const: vcbus
 141             - const: bt656
 142             - const: rdma
 143             - const: venci
 144             - const: vencp
 145             - const: vdac
 146             - const: vdi6
 147             - const: vencl
 148             - const: vid_lock
 149       required:
 150         - resets
 151         - reset-names
 152
 153 required:
 154   - compatible
 155   - clocks
 156   - clock-names
 157   - "#power-domain-cells"
 158   - amlogic,ao-sysctrl
 159
 160 additionalProperties: false
 161
 162 examples:
 163   - |
 164     pwrc: power-controller {
 165           compatible = "amlogic,meson-sm1-pwrc";
 166           #power-domain-cells = <1>;
 167           amlogic,ao-sysctrl = <&rti>;
 168           resets = <&reset_viu>,
 169                    <&reset_venc>,
 170                    <&reset_vcbus>,
 171                    <&reset_bt656>,
 172                    <&reset_rdma>,
 173                    <&reset_venci>,
 174                    <&reset_vencp>,
 175                    <&reset_vdac>,
 176                    <&reset_vdi6>,
 177                    <&reset_vencl>,
 178                    <&reset_vid_lock>;
 179           reset-names = "viu", "venc", "vcbus", "bt656",
 180                         "rdma", "venci", "vencp", "vdac",
 181                         "vdi6", "vencl", "vid_lock";
 182           clocks = <&clk_vpu>, <&clk_vapb>;
 183           clock-names = "vpu", "vapb";
 184     };