xref: /freebsd/sys/contrib/device-tree/Bindings/media/i2c/ovti,ov7251.yaml (revision aa1a8ff2)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/media/i2c/ovti,ov7251.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: OmniVision OV7251 Image Sensor

description:
  The Omnivision OV7251 is a 1/7.5-Inch CMOS active pixel digital image sensor
  with an active array size of 640H x 480V. It is programmable through a serial
  I2C interface.

maintainers:
  - Todor Tomov <todor.too@gmail.com>

properties:
  compatible:
    const: ovti,ov7251

  reg:
    maxItems: 1

  clocks:
    description: XCLK Input Clock

  clock-names:
    const: xclk

  clock-frequency:
    description: Frequency of the xclk clock in Hz.

  vdda-supply:
    description: Analog voltage supply, 2.8 volts

  vddd-supply:
    description: Digital core voltage supply, 1.2 volts

  vdddo-supply:
    description: Digital I/O voltage supply, 1.8 volts

  enable-gpios:
    maxItems: 1
    description:
      Reference to the GPIO connected to the XSHUTDOWN pin, if any. Polarity
      is GPIO_ACTIVE_HIGH.

  port:
    description: Digital Output Port
    $ref: /schemas/graph.yaml#/$defs/port-base
    additionalProperties: false

    properties:
      endpoint:
        $ref: /schemas/media/video-interfaces.yaml#
        unevaluatedProperties: false

        properties:
          clock-lanes:
            maximum: 1

          data-lanes:
            maxItems: 1

          link-frequencies: true

        required:
          - data-lanes
          - link-frequencies

required:
  - compatible
  - reg
  - clocks
  - vdddo-supply
  - vdda-supply
  - port

additionalProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>

    i2c {
        #address-cells = <1>;
        #size-cells = <0>;

        camera@3c {
            compatible = "ovti,ov7251";
            reg = <0x3c>;
            clocks = <&clks 1>;
            clock-frequency = <24000000>;
            vdddo-supply = <&ov7251_vdddo_1v8>;
            vdda-supply = <&ov7251_vdda_2v8>;
            vddd-supply = <&ov7251_vddd_1v5>;
            enable-gpios = <&gpio1 19 GPIO_ACTIVE_HIGH>;

            port {
                ov7251_ep: endpoint {
                    remote-endpoint = <&csi0_ep>;
                    clock-lanes = <1>;
                    data-lanes = <0>;
                    link-frequencies = /bits/ 64 <240000000 319200000>;
                };
            };
        };
    };
...