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 <narmstrong@baylibre.com>
  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 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-g12a-pwrc
  31       - amlogic,meson-sm1-pwrc
  32
  33   clocks:
  34     minItems: 1
  35     maxItems: 2
  36
  37   clock-names:
  38     minItems: 1
  39     maxItems: 2
  40     items:
  41       - const: vpu
  42       - const: vapb
  43
  44   resets:
  45     minItems: 11
  46     maxItems: 12
  47
  48   reset-names:
  49     minItems: 11
  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     allOf:
  58       - $ref: /schemas/types.yaml#/definitions/phandle
  59
  60 allOf:
  61   - if:
  62       properties:
  63         compatible:
  64           enum:
  65             - amlogic,meson8b-pwrc
  66             - amlogic,meson8m2-pwrc
  67     then:
  68       properties:
  69         reset-names:
  70           items:
  71             - const: dblk
  72             - const: pic_dc
  73             - const: hdmi_apb
  74             - const: hdmi_system
  75             - const: venci
  76             - const: vencp
  77             - const: vdac
  78             - const: vencl
  79             - const: viu
  80             - const: venc
  81             - const: rdma
  82       required:
  83         - resets
  84         - reset-names
  85
  86   - if:
  87       properties:
  88         compatible:
  89           enum:
  90             - amlogic,meson-gxbb-pwrc
  91     then:
  92       properties:
  93         reset-names:
  94           items:
  95             - const: viu
  96             - const: venc
  97             - const: vcbus
  98             - const: bt656
  99             - const: dvin
 100             - const: rdma
 101             - const: venci
 102             - const: vencp
 103             - const: vdac
 104             - const: vdi6
 105             - const: vencl
 106             - const: vid_lock
 107       required:
 108         - resets
 109         - reset-names
 110
 111   - if:
 112       properties:
 113         compatible:
 114           enum:
 115             - amlogic,meson-g12a-pwrc
 116             - amlogic,meson-sm1-pwrc
 117     then:
 118       properties:
 119         reset-names:
 120           items:
 121             - const: viu
 122             - const: venc
 123             - const: vcbus
 124             - const: bt656
 125             - const: rdma
 126             - const: venci
 127             - const: vencp
 128             - const: vdac
 129             - const: vdi6
 130             - const: vencl
 131             - const: vid_lock
 132       required:
 133         - resets
 134         - reset-names
 135
 136 required:
 137   - compatible
 138   - clocks
 139   - clock-names
 140   - "#power-domain-cells"
 141   - amlogic,ao-sysctrl
 142
 143 additionalProperties: false
 144
 145 examples:
 146   - |
 147     pwrc: power-controller {
 148           compatible = "amlogic,meson-sm1-pwrc";
 149           #power-domain-cells = <1>;
 150           amlogic,ao-sysctrl = <&rti>;
 151           resets = <&reset_viu>,
 152                    <&reset_venc>,
 153                    <&reset_vcbus>,
 154                    <&reset_bt656>,
 155                    <&reset_rdma>,
 156                    <&reset_venci>,
 157                    <&reset_vencp>,
 158                    <&reset_vdac>,
 159                    <&reset_vdi6>,
 160                    <&reset_vencl>,
 161                    <&reset_vid_lock>;
 162           reset-names = "viu", "venc", "vcbus", "bt656",
 163                         "rdma", "venci", "vencp", "vdac",
 164                         "vdi6", "vencl", "vid_lock";
 165           clocks = <&clk_vpu>, <&clk_vapb>;
 166           clock-names = "vpu", "vapb";
 167     };