linux-kernel - Re: [PATCH v6 3/8] dt-bindings: media: add TI DS90UB913 FPD-Link III Serializer

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Message-ID: <Y7o1SHovpS0W2ihj@pendragon.ideasonboard.com>
Date:   Sun, 8 Jan 2023 05:15:20 +0200
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
Cc:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-i2c@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Wolfram Sang <wsa@...nel.org>,
        Luca Ceresoli <luca.ceresoli@...tlin.com>,
        Andy Shevchenko <andriy.shevchenko@...el.com>,
        Matti Vaittinen <Matti.Vaittinen@...rohmeurope.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Peter Rosin <peda@...ntia.se>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Michael Tretter <m.tretter@...gutronix.de>,
        Shawn Tu <shawnx.tu@...el.com>,
        Hans Verkuil <hverkuil@...all.nl>,
        Mike Pagano <mpagano@...too.org>,
        Krzysztof Hałasa <khalasa@...p.pl>,
        Marek Vasut <marex@...x.de>
Subject: Re: [PATCH v6 3/8] dt-bindings: media: add TI DS90UB913 FPD-Link III
 Serializer

Hi Tomi,

Thank you for the patch.

On Thu, Jan 05, 2023 at 04:03:02PM +0200, Tomi Valkeinen wrote:
> Add DT bindings for TI DS90UB913 FPD-Link III Serializer.
> 
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

> ---
>  .../bindings/media/i2c/ti,ds90ub913.yaml      | 133 ++++++++++++++++++
>  1 file changed, 133 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/i2c/ti,ds90ub913.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/ti,ds90ub913.yaml b/Documentation/devicetree/bindings/media/i2c/ti,ds90ub913.yaml
> new file mode 100644
> index 000000000000..f6612bb0f667
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/ti,ds90ub913.yaml
> @@ -0,0 +1,133 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/i2c/ti,ds90ub913.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Texas Instruments DS90UB913 FPD-Link III Serializer
> +
> +maintainers:
> +  - Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
> +
> +description:
> +  The TI DS90UB913 is an FPD-Link III video serializer for parallel video.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - ti,ds90ub913a-q1
> +
> +  '#gpio-cells':
> +    const: 2
> +    description:
> +      First cell is the GPO pin number, second cell is the flags. The GPO pin
> +      number must be in range of [0, 3]. Note that GPOs 2 and 3 are not
> +      available in external oscillator mode.
> +
> +  gpio-controller: true
> +
> +  clocks:
> +    maxItems: 1
> +    description:
> +      Reference clock connected to the CLKIN pin.
> +
> +  clock-names:
> +    items:
> +      - const: clkin
> +
> +  '#clock-cells':
> +    const: 0
> +
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +
> +    properties:
> +      port@0:
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description: Parallel input port
> +
> +        properties:
> +          endpoint:
> +            $ref: /schemas/media/video-interfaces.yaml#
> +            unevaluatedProperties: false
> +
> +            required:
> +              - pclk-sample
> +
> +      port@1:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        unevaluatedProperties: false
> +        description: FPD-Link III output port
> +
> +    required:
> +      - port@0
> +      - port@1
> +
> +  i2c:
> +    $ref: /schemas/i2c/i2c-controller.yaml#
> +    unevaluatedProperties: false
> +
> +required:
> +  - compatible
> +  - '#gpio-cells'
> +  - gpio-controller
> +  - '#clock-cells'
> +  - ports
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    serializer {
> +      compatible = "ti,ds90ub913a-q1";
> +
> +      gpio-controller;
> +      #gpio-cells = <2>;
> +
> +      clocks = <&clk_cam_48M>;
> +      clock-names = "clkin";
> +
> +      #clock-cells = <0>;
> +
> +      ports {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        port@0 {
> +          reg = <0>;
> +          ub913_in: endpoint {
> +            remote-endpoint = <&sensor_out>;
> +            pclk-sample = <1>;
> +          };
> +        };
> +
> +        port@1 {
> +          reg = <1>;
> +          endpoint {
> +            remote-endpoint = <&deser_fpd_in>;
> +          };
> +        };
> +      };
> +
> +      i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        sensor@48 {
> +          compatible = "aptina,mt9v111";
> +          reg = <0x48>;
> +
> +          clocks = <&fixed_clock>;
> +
> +          port {
> +            sensor_out: endpoint {
> +              remote-endpoint = <&ub913_in>;
> +            };
> +          };
> +        };
> +      };
> +    };
> +...

-- 
Regards,

Laurent Pinchart