Documentation/devicetree/bindings/media/i2c/ovti,ov772x.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/media/i2c/ovti,ov772x.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Omnivision OV7720/OV7725 CMOS sensor
   8
   9 maintainers:
  10   - Jacopo Mondi <jacopo@jmondi.org>
  11
  12 description: |
  13   The Omnivision OV7720/OV7725 sensor supports multiple resolutions output,
  14   such as VGA, QVGA, and any size scaling down from CIF to 40x30. It also can
  15   support the YUV422, RGB565/555/444, GRB422 or raw RGB output formats.
  16
  17 properties:
  18   compatible:
  19     enum:
  20       - ovti,ov7720
  21       - ovti,ov7725
  22
  23   reg:
  24     maxItems: 1
  25
  26   clocks:
  27     maxItems: 1
  28
  29   reset-gpios:
  30     description: |
  31       Reference to the GPIO connected to the RSTB pin which is active low.
  32     maxItems: 1
  33
  34   powerdown-gpios:
  35     description: |
  36       Reference to the GPIO connected to the PWDN pin which is active high.
  37     maxItems: 1
  38
  39   port:
  40     $ref: /schemas/graph.yaml#/$defs/port-base
  41     description: |
  42       Video output port.
  43
  44     properties:
  45       endpoint:
  46         $ref: /schemas/media/video-interfaces.yaml#
  47         unevaluatedProperties: false
  48
  49         properties:
  50           bus-type:
  51             enum: [5, 6]
  52
  53           bus-width:
  54             enum: [8, 10]
  55             default: 10
  56
  57           data-shift:
  58             enum: [0, 2]
  59             default: 0
  60
  61           hsync-active:
  62             enum: [0, 1]
  63             default: 1
  64
  65           vsync-active:
  66             enum: [0, 1]
  67             default: 1
  68
  69           pclk-sample:
  70             enum: [0, 1]
  71             default: 1
  72
  73         allOf:
  74           - if:
  75               properties:
  76                 bus-type:
  77                   const: 6
  78             then:
  79               properties:
  80                 hsync-active: false
  81                 vsync-active: false
  82
  83           - if:
  84               properties:
  85                 bus-width:
  86                   const: 10
  87             then:
  88               properties:
  89                 data-shift:
  90                   const: 0
  91
  92         required:
  93           - bus-type
  94
  95     additionalProperties: false
  96
  97 required:
  98   - compatible
  99   - reg
 100   - clocks
 101   - port
 102
 103 additionalProperties: false
 104
 105 examples:
 106   - |
 107     #include <dt-bindings/gpio/gpio.h>
 108
 109     i2c0 {
 110         #address-cells = <1>;
 111         #size-cells = <0>;
 112         ov772x: camera@21 {
 113             compatible = "ovti,ov7725";
 114             reg = <0x21>;
 115             reset-gpios = <&axi_gpio_0 0 GPIO_ACTIVE_LOW>;
 116             powerdown-gpios = <&axi_gpio_0 1 GPIO_ACTIVE_LOW>;
 117             clocks = <&xclk>;
 118
 119             port {
 120                 ov772x_0: endpoint {
 121                     bus-type = <5>;
 122                     vsync-active = <0>;
 123                     hsync-active = <0>;
 124                     pclk-sample = <0>;
 125                     bus-width = <8>;
 126                     data-shift = <0>;
 127                     remote-endpoint = <&vcap1_in0>;
 128                 };
 129             };
 130         };
 131     };
 132
 133 ...