Documentation/devicetree/bindings/soc/renesas/renesas,rzv2m-pwc.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/soc/renesas/renesas,rzv2m-pwc.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Renesas RZ/V2M External Power Sequence Controller (PWC)
   8
   9 description: |+
  10   The PWC IP found in the RZ/V2M family of chips comes with the below
  11   capabilities
  12     - external power supply on/off sequence generation
  13     - on/off signal generation for the LPDDR4 core power supply (LPVDD)
  14     - key input signals processing
  15     - general-purpose output pins
  16
  17 maintainers:
  18   - Fabrizio Castro <fabrizio.castro.jz@renesas.com>
  19
  20 properties:
  21   compatible:
  22     items:
  23       - enum:
  24           - renesas,r9a09g011-pwc # RZ/V2M
  25           - renesas,r9a09g055-pwc # RZ/V2MA
  26       - const: renesas,rzv2m-pwc
  27
  28   reg:
  29     maxItems: 1
  30
  31   gpio-controller: true
  32
  33   '#gpio-cells':
  34     const: 2
  35
  36   renesas,rzv2m-pwc-power:
  37     description: The PWC is used to control the system power supplies.
  38     type: boolean
  39
  40 required:
  41   - compatible
  42   - reg
  43   - gpio-controller
  44   - '#gpio-cells'
  45
  46 additionalProperties: false
  47
  48 examples:
  49   - |
  50     pwc: pwc@a3700000 {
  51       compatible = "renesas,r9a09g011-pwc", "renesas,rzv2m-pwc";
  52       reg = <0xa3700000 0x800>;
  53       gpio-controller;
  54       #gpio-cells = <2>;
  55       renesas,rzv2m-pwc-power;
  56     };