ov8856.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 # Copyright (c) 2019 MediaTek Inc.
    3 %YAML 1.2
    4 ---
    5 $id: http://devicetree.org/schemas/media/i2c/ov8856.yaml#
    6 $schema: http://devicetree.org/meta-schemas/core.yaml#
    7 
    8 title: Omnivision OV8856 CMOS Sensor Device Tree Bindings
    9 
   10 maintainers:
   11   - Dongchun Zhu <dongchun.zhu@mediatek.com>
   12 
   13 description: |-
   14   The Omnivision OV8856 is a high performance, 1/4-inch, 8 megapixel, CMOS
   15   image sensor that delivers 3264x2448 at 30fps. It provides full-frame,
   16   sub-sampled, and windowed 10-bit MIPI images in various formats via the
   17   Serial Camera Control Bus (SCCB) interface. This chip is programmable
   18   through I2C and two-wire SCCB. The sensor output is available via CSI-2
   19   serial data output (up to 4-lane).
   20 
   21 properties:
   22   compatible:
   23     const: ovti,ov8856
   24 
   25   reg:
   26     maxItems: 1
   27 
   28   clocks:
   29     maxItems: 1
   30 
   31   clock-names:
   32     description:
   33       Input clock for the sensor.
   34     items:
   35       - const: xvclk
   36 
   37   clock-frequency:
   38     description:
   39       Frequency of the xvclk clock in Hertz.
   40 
   41   dovdd-supply:
   42     description:
   43       Definition of the regulator used as interface power supply.
   44 
   45   avdd-supply:
   46     description:
   47       Definition of the regulator used as analog power supply.
   48 
   49   dvdd-supply:
   50     description:
   51       Definition of the regulator used as digital power supply.
   52 
   53   reset-gpios:
   54     description:
   55       The phandle and specifier for the GPIO that controls sensor reset.
   56       This corresponds to the hardware pin XSHUTDOWN which is physically
   57       active low.
   58 
   59   port:
   60     $ref: /schemas/graph.yaml#/$defs/port-base
   61     additionalProperties: false
   62 
   63     properties:
   64       endpoint:
   65         $ref: /schemas/media/video-interfaces.yaml#
   66         unevaluatedProperties: false
   67 
   68         properties:
   69           data-lanes:
   70             description: |-
   71               The driver only supports four-lane operation.
   72             items:
   73               - const: 1
   74               - const: 2
   75               - const: 3
   76               - const: 4
   77 
   78           link-frequencies:
   79             description: Frequencies listed are driver, not h/w limitations.
   80             maxItems: 2
   81             items:
   82               enum: [ 360000000, 180000000 ]
   83 
   84         required:
   85           - link-frequencies
   86 
   87 required:
   88   - compatible
   89   - reg
   90   - clocks
   91   - clock-names
   92   - clock-frequency
   93   - dovdd-supply
   94   - avdd-supply
   95   - dvdd-supply
   96   - reset-gpios
   97   - port
   98 
   99 additionalProperties: false
  100 
  101 examples:
  102   - |
  103     #include <dt-bindings/gpio/gpio.h>
  104 
  105     i2c {
  106         #address-cells = <1>;
  107         #size-cells = <0>;
  108 
  109         ov8856: camera@10 {
  110             compatible = "ovti,ov8856";
  111             reg = <0x10>;
  112 
  113             reset-gpios = <&pio 111 GPIO_ACTIVE_LOW>;
  114             pinctrl-names = "default";
  115             pinctrl-0 = <&clk_24m_cam>;
  116 
  117             clocks = <&cam_osc>;
  118             clock-names = "xvclk";
  119             clock-frequency = <19200000>;
  120 
  121             avdd-supply = <&mt6358_vcama2_reg>;
  122             dvdd-supply = <&mt6358_vcamd_reg>;
  123             dovdd-supply = <&mt6358_vcamio_reg>;
  124 
  125             port {
  126                 wcam_out: endpoint {
  127                     remote-endpoint = <&mipi_in_wcam>;
  128                     data-lanes = <1 2 3 4>;
  129                     link-frequencies = /bits/ 64 <360000000>;
  130                 };
  131             };
  132         };
  133     };
  134 ...

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sys/contrib/device-tree/Bindings/media/i2c/ov8856.yaml