Documentation/devicetree/bindings/display/renesas,cmm.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/display/renesas,cmm.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Renesas R-Car Color Management Module (CMM)
   8
   9 maintainers:
  10   - Laurent Pinchart <laurent.pinchart@ideasonboard.com>
  11   - Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
  12   - Jacopo Mondi <jacopo+renesas@jmondi.org>
  13
  14 description: |+
  15   Renesas R-Car color management module connected to R-Car DU video channels.
  16   It provides image enhancement functions such as 1-D look-up tables (LUT),
  17   3-D look-up tables (CLU), 1D-histogram generation (HGO), and color
  18   space conversion (CSC).
  19
  20 properties:
  21   compatible:
  22     oneOf:
  23       - items:
  24         - enum:
  25           - renesas,r8a7795-cmm
  26           - renesas,r8a7796-cmm
  27           - renesas,r8a77965-cmm
  28           - renesas,r8a77990-cmm
  29           - renesas,r8a77995-cmm
  30         - const: renesas,rcar-gen3-cmm
  31       - items:
  32         - const: renesas,rcar-gen2-cmm
  33
  34   reg:
  35     maxItems: 1
  36
  37   clocks:
  38     maxItems: 1
  39
  40   resets:
  41     maxItems: 1
  42
  43   power-domains:
  44     maxItems: 1
  45
  46 required:
  47   - compatible
  48   - reg
  49   - clocks
  50   - resets
  51   - power-domains
  52
  53 additionalProperties: false
  54
  55 examples:
  56   - |
  57     #include <dt-bindings/clock/r8a7796-cpg-mssr.h>
  58     #include <dt-bindings/power/r8a7796-sysc.h>
  59
  60     cmm0: cmm@fea40000 {
  61          compatible = "renesas,r8a7796-cmm",
  62                       "renesas,rcar-gen3-cmm";
  63          reg = <0 0xfea40000 0 0x1000>;
  64          power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
  65          clocks = <&cpg CPG_MOD 711>;
  66          resets = <&cpg 711>;
  67     };