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   power-domains:
  27     maxItems: 1
  28
  29   port:
  30     $ref: /schemas/graph.yaml#/$defs/port-base
  31     additionalProperties: false
  32
  33     properties:
  34       endpoint:
  35         $ref: video-interfaces.yaml#
  36         unevaluatedProperties: false
  37
  38         properties:
  39           hsync-active: true
  40           vsync-active: true
  41           pclk-sample: true
  42           bus-type: true
  43
  44   clocks:
  45     minItems: 1
  46     items:
  47       - description: AXI bus interface clock
  48       - description: Peripheral clock
  49       - description: Parallel video bus interface clock
  50
  51   clock-names:
  52     const: axi
  53
  54   '#clock-cells':
  55     const: 0
  56
  57   clock-output-names:
  58     const: mclk
  59
  60 required:
  61   - compatible
  62   - reg
  63   - interrupts
  64   - port
  65
  66 additionalProperties: false
  67
  68 examples:
  69   - |
  70     #include <dt-bindings/clock/marvell,mmp2.h>
  71     #include <dt-bindings/power/marvell,mmp2.h>
  72
  73     camera@d420a000 {
  74       compatible = "marvell,mmp2-ccic";
  75       reg = <0xd420a000 0x800>;
  76       interrupts = <42>;
  77       clocks = <&soc_clocks MMP2_CLK_CCIC0>;
  78       clock-names = "axi";
  79       #clock-cells = <0>;
  80       clock-output-names = "mclk";
  81       power-domains = <&soc_clocks MMP3_POWER_DOMAIN_CAMERA>;
  82
  83       port {
  84         camera0_0: endpoint {
  85           remote-endpoint = <&ov7670_0>;
  86           bus-type = <5>;      /* Parallel */
  87           hsync-active = <1>;  /* Active high */
  88           vsync-active = <1>;  /* Active high */
  89           pclk-sample = <0>;   /* Falling */
  90         };
  91       };
  92     };
  93
  94 ...