Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/arm/npcm/nuvoton,gcr.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Global Control Registers block in Nuvoton SoCs
   8
   9 maintainers:
  10   - Jonathan Neuschäfer <j.neuschaefer@gmx.net>
  11   - Tomer Maimon <tmaimon77@gmail.com>
  12
  13 description:
  14   The Global Control Registers (GCR) are a block of registers in Nuvoton SoCs
  15   that expose misc functionality such as chip model and version information or
  16   pinmux settings.
  17
  18 properties:
  19   compatible:
  20     items:
  21       - enum:
  22           - nuvoton,wpcm450-gcr
  23           - nuvoton,npcm750-gcr
  24           - nuvoton,npcm845-gcr
  25       - const: syscon
  26       - const: simple-mfd
  27
  28   reg:
  29     maxItems: 1
  30
  31 required:
  32   - compatible
  33   - reg
  34
  35 additionalProperties:
  36   type: object
  37
  38 examples:
  39   - |
  40     gcr: syscon@800000 {
  41       compatible = "nuvoton,npcm750-gcr", "syscon", "simple-mfd";
  42       reg = <0x800000 0x1000>;
  43
  44       mux-controller {
  45         compatible = "mmio-mux";
  46         #mux-control-cells = <1>;
  47         mux-reg-masks = <0x38 0x07>;
  48         idle-states = <2>;
  49       };
  50     };