Re: [PATCH v3 1/2] dt-bindings: media: i2c: Add IMX296 CMOS sensor binding

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On Fri, Oct 25, 2019 at 11:29:07PM +0530, Manivannan Sadhasivam wrote:
> Add YAML devicetree binding for IMX296 CMOS image sensor.
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> ---
>  .../devicetree/bindings/media/i2c/imx296.yaml | 98 +++++++++++++++++++
>  1 file changed, 98 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/i2c/imx296.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/imx296.yaml b/Documentation/devicetree/bindings/media/i2c/imx296.yaml
> new file mode 100644
> index 000000000000..4e204fd7cf90
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/imx296.yaml
> @@ -0,0 +1,98 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/i2c/imx296.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sony IMX296 1/2.8-Inch CMOS Image Sensor
> +
> +maintainers:
> +  - Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> +
> +description: |-
> +  The Sony IMX296 is a 1/2.9-Inch active pixel type CMOS Solid-state image
> +  sensor with square pixel array and 1.58 M effective pixels. This chip
> +  features a global shutter with variable charge-integration time. It is
> +  programmable through I2C and 4-wire interfaces. The sensor output is
> +  available via CSI-2 serial data output (1 Lane).
> +
> +properties:
> +  compatible:
> +    const: sony,imx296
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    description:
> +      Input clock for the sensor.
> +    items:
> +      - const: mclk
> +
> +  clock-frequency:
> +    description:
> +      Frequency of the mclk clock in Hertz.
> +    default: 37125000
> +
> +  vddo-supply:
> +    description:
> +      Definition of the regulator used as interface power supply.
> +    maxItems: 1

You don't need 'maxItems' on *-supply. It's not an array.

> +
> +  vdda-supply:
> +    description:
> +      Definition of the regulator used as analog power supply.
> +    maxItems: 1
> +
> +  vddd-supply:
> +    description:
> +      Definition of the regulator used as digital power supply.
> +    maxItems: 1
> +
> +  reset-gpios:
> +    description:
> +      The phandle and specifier for the GPIO that controls sensor reset.
> +    maxItems: 1
> +
> +  # See ../video-interfaces.txt for details
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +  - clock-frequency
> +  - vddo-supply
> +  - vdda-supply
> +  - vddd-supply
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    imx296: camera-sensor@1a {
> +        compatible = "sony,imx296";
> +        reg = <0x1a>;
> +        reset-gpios = <&msmgpio 35 GPIO_ACTIVE_LOW>;
> +        pinctrl-names = "default";
> +        pinctrl-0 = <&camera_rear_default>;
> +        clocks = <&gcc 90>;
> +        clock-names = "mclk";
> +        clock-frequency = <37125000>;
> +        vddo-supply = <&camera_vddo_1v8>;
> +        vdda-supply = <&camera_vdda_3v3>;
> +        vddd-supply = <&camera_vddd_1v2>;
> +
> +        port {
> +            imx296_ep: endpoint {
> +                remote-endpoint = <&csiphy0_ep>;
> +            };
> +        };
> +    };
> +
> +...
> -- 
> 2.17.1
> 



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