Documentation/devicetree/bindings/media/marvell,mmp2-ccic.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 # Copyright 2019,2020 Lubomir Rintel <lkundrak@v3.sk>
   3 %YAML 1.2
   4 ---
   5 $id: http://devicetree.org/schemas/media/marvell,mmp2-ccic.yaml#
   6 $schema: http://devicetree.org/meta-schemas/core.yaml#
   7
   8 title: Marvell MMP2 camera host interface bindings
   9
  10 maintainers:
  11   - Lubomir Rintel <lkundrak@v3.sk>
  12
  13 properties:
  14   $nodename:
  15     pattern: '^camera@[a-f0-9]+$'
  16
  17   compatible:
  18     const: marvell,mmp2-ccic
  19
  20   reg:
  21     maxItems: 1
  22
  23   interrupts:
  24     maxItems: 1
  25
  26   port:
  27     type: object
  28     additionalProperties: false
  29
  30     properties:
  31       endpoint:
  32         type: object
  33         additionalProperties: false
  34
  35         # Properties described in
  36         # Documentation/devicetree/bindings/media/video-interfaces.txt
  37         properties:
  38           remote-endpoint: true
  39           hsync-active: true
  40           vsync-active: true
  41           pclk-sample: true
  42           bus-type: true
  43
  44         required:
  45           - remote-endpoint
  46
  47     required:
  48       - endpoint
  49
  50   clocks:
  51     minItems: 1
  52     maxItems: 3
  53     items:
  54       - description: AXI bus interface clock
  55       - description: Peripheral clock
  56       - description: Parallel video bus interface clock
  57
  58   clock-names:
  59     const: axi
  60
  61   '#clock-cells':
  62     const: 0
  63
  64   clock-output-names:
  65     const: mclk
  66
  67 required:
  68   - compatible
  69   - reg
  70   - interrupts
  71   - port
  72
  73 additionalProperties: false
  74
  75 examples:
  76   - |
  77     #include <dt-bindings/clock/marvell,mmp2.h>
  78
  79     camera@d420a000 {
  80       compatible = "marvell,mmp2-ccic";
  81       reg = <0xd420a000 0x800>;
  82       interrupts = <42>;
  83       clocks = <&soc_clocks MMP2_CLK_CCIC0>;
  84       clock-names = "axi";
  85       #clock-cells = <0>;
  86       clock-output-names = "mclk";
  87
  88       port {
  89         camera0_0: endpoint {
  90           remote-endpoint = <&ov7670_0>;
  91           bus-type = <5>;      /* Parallel */
  92           hsync-active = <1>;  /* Active high */
  93           vsync-active = <1>;  /* Active high */
  94           pclk-sample = <0>;   /* Falling */
  95         };
  96       };
  97     };
  98
  99 ...