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Date:   Wed, 16 Dec 2020 17:19:55 +0200
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Guennadi Liakhovetski <g.liakhovetski@....de>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Jacopo Mondi <jacopo@...ndi.org>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org
Subject: Re: [PATCH v3 2/2] dt-bindings: media: Use graph and
 video-interfaces schemas

Hi Rob,

Thank you for the patch.

On Thu, Dec 10, 2020 at 03:16:25PM -0600, Rob Herring wrote:
> Now that we have graph and video-interfaces schemas, rework the media
> related schemas to use them.
> 
> Cc: Maxime Ripard <mripard@...nel.org>
> Cc: Mauro Carvalho Chehab <mchehab@...nel.org>
> Cc: Jacopo Mondi <jacopo@...ndi.org>
> Cc: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>
> Cc: linux-media@...r.kernel.org
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
> v3:
>  - Add mipi-ccs.yaml, ovti,ov02a10.yaml
> 
> v2:
>  - Update based on graph schema changes and addition of video-interfaces
>    schemas
> 
> ---
>  .../media/allwinner,sun4i-a10-csi.yaml        |  11 +-
>  .../media/allwinner,sun6i-a31-csi.yaml        |  12 +-
>  .../bindings/media/i2c/adv7180.yaml           |  36 ++----
>  .../bindings/media/i2c/adv7604.yaml           |  37 ++----
>  .../bindings/media/i2c/aptina,mt9v111.yaml    |   4 +-
>  .../bindings/media/i2c/imi,rdacm2x-gmsl.yaml  |  30 +----
>  .../devicetree/bindings/media/i2c/imx219.yaml |  21 ++--
>  .../bindings/media/i2c/maxim,max9286.yaml     | 101 ++++------------
>  .../bindings/media/i2c/mipi-ccs.yaml          |  15 +--
>  .../devicetree/bindings/media/i2c/ov5647.yaml |  20 +---
>  .../devicetree/bindings/media/i2c/ov8856.yaml |  21 +---
>  .../bindings/media/i2c/ovti,ov02a10.yaml      |  30 ++---
>  .../bindings/media/i2c/ovti,ov2680.yaml       |   6 +-
>  .../bindings/media/i2c/ovti,ov772x.yaml       |   9 +-
>  .../bindings/media/i2c/sony,imx214.yaml       |  25 ++--
>  .../bindings/media/i2c/sony,imx274.yaml       |   3 +-
>  .../bindings/media/marvell,mmp2-ccic.yaml     |  15 +--
>  .../bindings/media/nxp,imx7-csi.yaml          |   5 +-
>  .../bindings/media/nxp,imx7-mipi-csi2.yaml    |  32 +----
>  .../bindings/media/renesas,ceu.yaml           |  17 +--
>  .../bindings/media/renesas,csi2.yaml          |  54 ++-------
>  .../bindings/media/renesas,vin.yaml           | 113 +++---------------
>  .../bindings/media/rockchip-isp1.yaml         |  40 +------
>  .../bindings/media/st,stm32-dcmi.yaml         |  18 +--
>  .../devicetree/bindings/media/ti,cal.yaml     |  55 ++-------
>  .../bindings/media/xilinx/xlnx,csi2rxss.yaml  |  39 +-----
>  26 files changed, 169 insertions(+), 600 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml
> index 09318830db47..6ced94064215 100644
> --- a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml
> +++ b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml
> @@ -67,14 +67,14 @@ properties:
>    interconnect-names:
>      const: dma-mem
> 
> -  # See ./video-interfaces.txt for details
>    port:
> -    type: object
> +    $ref: /schemas/graph.yaml#/$defs/port-base
>      additionalProperties: false
> 
>      properties:
>        endpoint:
> -        type: object
> +        $ref: video-interfaces.yaml#
> +        unevaluatedProperties: false
> 
>          properties:
>            bus-width:
> @@ -83,7 +83,6 @@ properties:
>            data-active: true
>            hsync-active: true
>            pclk-sample: true
> -          remote-endpoint: true
>            vsync-active: true
> 
>          required:
> @@ -91,12 +90,8 @@ properties:
>            - data-active
>            - hsync-active
>            - pclk-sample
> -          - remote-endpoint
>            - vsync-active
> 
> -    required:
> -      - endpoint
> -
>  required:
>    - compatible
>    - reg
> diff --git a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
> index 1fd9b5532a21..8b568072a069 100644
> --- a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
> +++ b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
> @@ -40,17 +40,15 @@ properties:
>    resets:
>      maxItems: 1
> 
> -  # See ./video-interfaces.txt for details
>    port:
> -    type: object
> +    $ref: /schemas/graph.yaml#/$defs/port-base
> 
>      properties:
>        endpoint:
> -        type: object
> +        $ref: video-interfaces.yaml#
> +        unevaluatedProperties: false
> 
>          properties:
> -          remote-endpoint: true
> -
>            bus-width:
>              enum: [ 8, 10, 12, 16 ]
> 
> @@ -60,10 +58,6 @@ properties:
> 
>          required:
>            - bus-width
> -          - remote-endpoint
> -
> -    required:
> -      - endpoint
> 
>      additionalProperties: false
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/adv7180.yaml b/Documentation/devicetree/bindings/media/i2c/adv7180.yaml
> index d8c54f9d9506..bcfd93739b4f 100644
> --- a/Documentation/devicetree/bindings/media/i2c/adv7180.yaml
> +++ b/Documentation/devicetree/bindings/media/i2c/adv7180.yaml
> @@ -36,17 +36,9 @@ properties:
>      maxItems: 1
> 
>    port:
> -    type: object
> -    description:
> -      A node containing a single endpoint as doucmented in
> -      Documentation/devicetree/bindings/media/video-interfaces.txt
> -
> -  ports:
> -    type: object
> -    description:
> -      A node containing input and output port nodes with endpoint definitions
> -      as documented in
> -      Documentation/devicetree/bindings/media/video-interfaces.txt
> +    $ref: /schemas/graph.yaml#/properties/port
> +
> +  ports: true
> 
>  additionalProperties: false
> 
> @@ -80,25 +72,20 @@ allOf:
>      then:
>        properties:
>          ports:
> +          $ref: /schemas/graph.yaml#/properties/ports
>            properties:
> -            '#address-cells':
> -              const: 1
> -            '#size-cells':
> -              const: 0
>              port@3:
> -              type: object
> +              $ref: /schemas/graph.yaml#/properties/port
>                description: Output port
> 
>            patternProperties:
>              "^port@[0-2]$":
> -              type: object
> +              $ref: /schemas/graph.yaml#/properties/port
>                description: Input port
> 
>            required:
>              - port@3
> 
> -          additionalProperties: false
> -
>        required:
>          - ports
> 
> @@ -110,25 +97,20 @@ allOf:
>      then:
>        properties:
>          ports:
> +          $ref: /schemas/graph.yaml#/properties/ports
>            properties:
> -            '#address-cells':
> -              const: 1
> -            '#size-cells':
> -              const: 0
>              port@6:
> -              type: object
> +              $ref: /schemas/graph.yaml#/properties/port
>                description: Output port
> 
>            patternProperties:
>              "^port@[0-5]$":
> -              type: object
> +              $ref: /schemas/graph.yaml#/properties/port
>                description: Input port
> 
>            required:
>              - port@6
> 
> -          additionalProperties: false
> -
>        required:
>          - ports
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/adv7604.yaml b/Documentation/devicetree/bindings/media/i2c/adv7604.yaml
> index 407baddfaa1d..df634b0c1f8c 100644
> --- a/Documentation/devicetree/bindings/media/i2c/adv7604.yaml
> +++ b/Documentation/devicetree/bindings/media/i2c/adv7604.yaml
> @@ -64,16 +64,12 @@ properties:
>      description:
>        Select which input is selected after reset.
> 
> -  ports:
> -    type: object
> -    description:
> -      A node containing input and output port nodes with endpoint definitions
> -      as documented in
> -      Documentation/devicetree/bindings/media/video-interfaces.txt
> +  ports: true
> 
>  required:
>    - compatible
>    - reg
> +  - ports
> 
>  additionalProperties: false
> 
> @@ -86,26 +82,19 @@ allOf:
>      then:
>        properties:
>          ports:
> +          $ref: /schemas/graph.yaml#/properties/ports
>            properties:
> -            '#address-cells':
> -              const: 1
> -            '#size-cells':
> -              const: 0
>              port@0:
> -              type: object
> +              $ref: /schemas/graph.yaml#/properties/port
>                description: Input port
> +
>              port@1:
> -              type: object
> +              $ref: /schemas/graph.yaml#/properties/port
>                description: Output port
> 
>            required:
>              - port@1
> 
> -          additionalProperties: false
> -
> -      required:
> -        - ports
> -
>    - if:
>        properties:
>          compatible:
> @@ -114,28 +103,20 @@ allOf:
>      then:
>        properties:
>          ports:
> +          $ref: /schemas/graph.yaml#/properties/ports
>            properties:
> -            '#address-cells':
> -              const: 1
> -            '#size-cells':
> -              const: 0
>              port@2:
> -              type: object
> +              $ref: /schemas/graph.yaml#/properties/port
>                description: Output port
> 
>            patternProperties:
>              "^port@[0-1]$":
> -              type: object
> +              $ref: /schemas/graph.yaml#/properties/port
>                description: Input port
> 
>            required:
>              - port@2
> 
> -          additionalProperties: false
> -
> -      required:
> -        - ports
> -
>  examples:
>    - |
>      #include <dt-bindings/gpio/gpio.h>
> diff --git a/Documentation/devicetree/bindings/media/i2c/aptina,mt9v111.yaml b/Documentation/devicetree/bindings/media/i2c/aptina,mt9v111.yaml
> index ff9546e95d05..e53b8d65f381 100644
> --- a/Documentation/devicetree/bindings/media/i2c/aptina,mt9v111.yaml
> +++ b/Documentation/devicetree/bindings/media/i2c/aptina,mt9v111.yaml
> @@ -41,9 +41,9 @@ properties:
>      maxItems: 1
> 
>    port:
> -    type: object
> +    $ref: /schemas/graph.yaml#/properties/port
>      description: |
> -      Output video port. See ../video-interfaces.txt.
> +      Output video port.
> 
>  required:
>    - compatible
> diff --git a/Documentation/devicetree/bindings/media/i2c/imi,rdacm2x-gmsl.yaml b/Documentation/devicetree/bindings/media/i2c/imi,rdacm2x-gmsl.yaml
> index 3dc06c628e64..e57575c44930 100644
> --- a/Documentation/devicetree/bindings/media/i2c/imi,rdacm2x-gmsl.yaml
> +++ b/Documentation/devicetree/bindings/media/i2c/imi,rdacm2x-gmsl.yaml
> @@ -86,33 +86,9 @@ properties:
>      maxItems: 3
> 
>    port:
> -    type: object
> -    additionalProperties: false
> -    description: -|
> -      Connection to the remote GMSL endpoint are modelled using the OF graph
> -      bindings in accordance with the video interface bindings defined in
> -      Documentation/devicetree/bindings/media/video-interfaces.txt.
> -
> -      The device node contains a single "port" child node with a single
> -      "endpoint" sub-device.
> -
> -    properties:
> -      endpoint:
> -        type: object
> -        additionalProperties: false
> -
> -        properties:
> -          remote-endpoint:
> -            description: -|
> -              phandle to the remote GMSL endpoint sub-node in the remote node
> -              port.
> -            maxItems: 1
> -
> -        required:
> -          - remote-endpoint
> -
> -    required:
> -      - endpoint
> +    $ref: /schemas/graph.yaml#/properties/port
> +    description:
> +      Connection to the remote GMSL endpoint.
> 
>  required:
>    - compatible
> diff --git a/Documentation/devicetree/bindings/media/i2c/imx219.yaml b/Documentation/devicetree/bindings/media/i2c/imx219.yaml
> index dfc4d29a4f04..012c0565d8ae 100644
> --- a/Documentation/devicetree/bindings/media/i2c/imx219.yaml
> +++ b/Documentation/devicetree/bindings/media/i2c/imx219.yaml
> @@ -44,12 +44,15 @@ properties:
>        Reference to the GPIO connected to the xclr pin, if any.
>        Must be released (set high) after all supplies are applied.
> 
> -  # See ../video-interfaces.txt for more details
>    port:
> -    type: object
> +    $ref: /schemas/graph.yaml#/$defs/port-base
> +    additionalProperties: false
> +
>      properties:
>        endpoint:
> -        type: object
> +        $ref: /schemas/media/video-interfaces.yaml#
> +        unevaluatedProperties: false
> +
>          properties:
>            data-lanes:
>              description: |-
> @@ -60,16 +63,8 @@ properties:
>                - const: 1
>                - const: 2
> 
> -          clock-noncontinuous:
> -            type: boolean
> -            description: |-
> -              MIPI CSI-2 clock is non-continuous if this property is present,
> -              otherwise it's continuous.
> -
> -          link-frequencies:
> -            $ref: /schemas/types.yaml#/definitions/uint64-array
> -            description:
> -              Allowed data bus frequencies.
> +          clock-noncontinuous: true
> +          link-frequencies: true
> 
>          required:
>            - link-frequencies
> diff --git a/Documentation/devicetree/bindings/media/i2c/maxim,max9286.yaml b/Documentation/devicetree/bindings/media/i2c/maxim,max9286.yaml
> index 9ea827092fdd..3a52dc81eabd 100644
> --- a/Documentation/devicetree/bindings/media/i2c/maxim,max9286.yaml
> +++ b/Documentation/devicetree/bindings/media/i2c/maxim,max9286.yaml
> @@ -52,81 +52,41 @@ properties:
>      const: 2
> 
>    ports:
> -    type: object
> -    description: |
> -      The connections to the MAX9286 GMSL and its endpoint nodes are modelled
> -      using the OF graph bindings in accordance with the video interface
> -      bindings defined in
> -      Documentation/devicetree/bindings/media/video-interfaces.txt.
> -
> -      The following table lists the port number corresponding to each device
> -      port.
> -
> -        Port            Description
> -        ----------------------------------------
> -        Port 0          GMSL Input 0
> -        Port 1          GMSL Input 1
> -        Port 2          GMSL Input 2
> -        Port 3          GMSL Input 3
> -        Port 4          CSI-2 Output
> +    $ref: /schemas/graph.yaml#/properties/ports
> 
>      properties:
> -      '#address-cells':
> -        const: 1
> -
> -      '#size-cells':
> -        const: 0
> -
> -      port@[0-3]:
> -        type: object
> -        properties:
> -          reg:
> -            enum: [ 0, 1, 2, 3 ]
> -
> -          endpoint:
> -            type: object
> -
> -            properties:
> -              remote-endpoint:
> -                description: |
> -                 phandle to the remote GMSL source endpoint subnode in the
> -                 remote node port.
> +      port@0:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description: GMSL Input 0
> 
> -            required:
> -              - remote-endpoint
> +      port@1:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description: GMSL Input 1
> 
> -        required:
> -          - reg
> -          - endpoint
> +      port@2:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description: GMSL Input 2
> 
> -        additionalProperties: false
> +      port@3:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description: GMSL Input 3
> 
>        port@4:
> -        type: object
> -        properties:
> -          reg:
> -            const: 4
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description: CSI-2 Output
> 
> +        properties:
>            endpoint:
> -            type: object
> +            $ref: /schemas/media/video-interfaces.yaml#
> +            unevaluatedProperties: false
> 
>              properties:
> -              remote-endpoint:
> -                description: phandle to the remote CSI-2 sink endpoint.
> -
> -              data-lanes:
> -                description: array of physical CSI-2 data lane indexes.
> +              data-lanes: true
> 
>              required:
> -              - remote-endpoint
>                - data-lanes
> 
> -        required:
> -          - reg
> -          - endpoint
> -
> -        additionalProperties: false
> -
>      required:
>        - port@4
> 
> @@ -184,25 +144,8 @@ properties:
>                    requirements of the currently connected remote device.
> 
>                port:
> -                type: object
> -
> -                properties:
> -                  endpoint:
> -                    type: object
> -
> -                    properties:
> -                      remote-endpoint:
> -                        description: phandle to the MAX9286 sink endpoint.
> -
> -                    required:
> -                      - remote-endpoint
> -
> -                    additionalProperties: false
> -
> -                required:
> -                  - endpoint
> -
> -                additionalProperties: false
> +                $ref: /schemas/graph.yaml#/properties/port
> +                description: Connection to the MAX9286 sink.
> 
>              required:
>                - compatible
> diff --git a/Documentation/devicetree/bindings/media/i2c/mipi-ccs.yaml b/Documentation/devicetree/bindings/media/i2c/mipi-ccs.yaml
> index d94bd67ccea1..3657f2f41098 100644
> --- a/Documentation/devicetree/bindings/media/i2c/mipi-ccs.yaml
> +++ b/Documentation/devicetree/bindings/media/i2c/mipi-ccs.yaml
> @@ -73,19 +73,16 @@ properties:
>      enum: [ 0, 180 ]
> 
>    port:
> -    type: object
> +    $ref: /schemas/graph.yaml#/$defs/port-base
> +    additionalProperties: false
> +
>      properties:
>        endpoint:
> -        type: object
> +        $ref: /schemas/media/video-interfaces.yaml#
> +        unevaluatedProperties: false
> +
>          properties:
> -          link-frequencies:
> -            $ref: /schemas/types.yaml#/definitions/uint64-array
> -            description: List of allowed data link frequencies.
> -          data-lanes:
> -            minItems: 1
> -            maxItems: 8

Don't we need

          link-frequencies: true
          data-lanes: true

to convey the fact that those properties are applicable for this device
? This applies to a few locations below too.

>            bus-type:
> -            description: The type of the data bus.
>              oneOf:
>                - const: 1 # CSI-2 C-PHY
>                - const: 3 # CCP2
> diff --git a/Documentation/devicetree/bindings/media/i2c/ov5647.yaml b/Documentation/devicetree/bindings/media/i2c/ov5647.yaml
> index 280c62afae13..3b1ea9da437a 100644
> --- a/Documentation/devicetree/bindings/media/i2c/ov5647.yaml
> +++ b/Documentation/devicetree/bindings/media/i2c/ov5647.yaml
> @@ -31,27 +31,15 @@ properties:
>      maxItems: 1
> 
>    port:
> -    type: object
> -    description: |-
> -      Should contain one endpoint sub-node used to model connection to the
> -      video receiver according to the specification defined in
> -      Documentation/devicetree/bindings/media/video-interfaces.txt.
> +    $ref: /schemas/graph.yaml#/$defs/port-base
> 
>      properties:
>        endpoint:
> -        type: object
> +        $ref: /schemas/media/video-interfaces.yaml#
> +        unevaluatedProperties: false
> 
>          properties:
> -          remote-endpoint:
> -            description: |-
> -              phandle to the video receiver input port.
> -
> -          clock-noncontinuous:
> -            type: boolean
> -            description: |-
> -              Set to true to allow MIPI CSI-2 non-continuous clock operations.
> -
> -        additionalProperties: false
> +          clock-noncontinuous: true
> 
>      additionalProperties: false
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/ov8856.yaml b/Documentation/devicetree/bindings/media/i2c/ov8856.yaml
> index cde85553fd01..c29b057ae922 100644
> --- a/Documentation/devicetree/bindings/media/i2c/ov8856.yaml
> +++ b/Documentation/devicetree/bindings/media/i2c/ov8856.yaml
> @@ -57,16 +57,13 @@ properties:
>        active low.
> 
>    port:
> -    type: object
> +    $ref: /schemas/graph.yaml#/$defs/port-base
>      additionalProperties: false
> -    description:
> -      A node containing an output port node with an endpoint definition
> -      as documented in
> -      Documentation/devicetree/bindings/media/video-interfaces.txt
> 
>      properties:
>        endpoint:
> -        type: object
> +        $ref: /schemas/media/video-interfaces.yaml#
> +        unevaluatedProperties: false
> 
>          properties:
>            data-lanes:
> @@ -79,18 +76,13 @@ properties:
>                - const: 4
> 
>            link-frequencies:
> -            $ref: /schemas/types.yaml#/definitions/uint64-array
> -            description:
> -              Allowed data bus frequencies. 360000000, 180000000 Hz or both
> -              are supported by the driver.
> -
> +            maxItems: 2
> +            items:
> +              enum: [ 360000000, 180000000 ]

This is a limitation of the driver, not the device. Should we keep this
information in a comment, to eventually get it fixed and drop the
limitation from the bindings ?

> 
>          required:
>            - link-frequencies
> 
> -    required:
> -      - endpoint
> -
>  required:
>    - compatible
>    - reg
> @@ -139,4 +131,3 @@ examples:
>          };
>      };
>  ...
> -
> diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov02a10.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov02a10.yaml
> index 1c3879ec4122..aaf541cd3833 100644
> --- a/Documentation/devicetree/bindings/media/i2c/ovti,ov02a10.yaml
> +++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov02a10.yaml
> @@ -17,6 +17,9 @@ description: |-
>    @ 1600x1200 (UXGA) resolution transferred over a 1-lane MIPI interface. The
>    sensor output is available via CSI-2 serial data output.
> 
> +allOf:
> +  - $ref: /schemas/media/video-interface-device.yaml#
> +
>  properties:
>    compatible:
>      const: ovti,ov02a10
> @@ -66,42 +69,33 @@ properties:
>      maxItems: 1
> 
>    rotation:
> -    description:
> -      Definition of the sensor's placement.
> -    allOf:
> -      - $ref: "/schemas/types.yaml#/definitions/uint32"
> -      - enum:
> -          - 0    # Sensor Mounted Upright
> -          - 180  # Sensor Mounted Upside Down
> -        default: 0
> -
> -  # See ../video-interfaces.txt for details
> +    enum:
> +      - 0    # Sensor Mounted Upright
> +      - 180  # Sensor Mounted Upside Down
> +    default: 0
> +
>    port:
> -    type: object
> +    $ref: /schemas/graph.yaml#/$defs/port-base
>      additionalProperties: false
>      description:
>        Output port node, single endpoint describing the CSI-2 transmitter.
> 
>      properties:
>        endpoint:
> -        type: object
> -        additionalProperties: false
> +        $ref: /schemas/media/video-interfaces.yaml#
> +        unevaluatedProperties: false
> 
>          properties:
> -          link-frequencies: true
>            ovti,mipi-clock-voltage:
> -            allOf:
> -              - $ref: "/schemas/types.yaml#/definitions/uint32"
> +            $ref: "/schemas/types.yaml#/definitions/uint32"
>              description:
>                Definition of MIPI clock voltage unit. This entry corresponds to
>                the link speed defined by the 'link-frequencies' property.
>                If present, the value shall be in the range of 0-4.
>              default: 4
> -          remote-endpoint: true
> 
>          required:
>            - link-frequencies
> -          - remote-endpoint
> 
>      required:
>        - endpoint
> diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov2680.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov2680.yaml
> index 43bf749807e1..cf456f8d9ddc 100644
> --- a/Documentation/devicetree/bindings/media/i2c/ovti,ov2680.yaml
> +++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov2680.yaml
> @@ -50,11 +50,9 @@ properties:
>        Definition of the regulator used as digital power supply.
> 
>    port:
> -    type: object
> +    $ref: /schemas/graph.yaml#/properties/port
>      description:
> -      A node containing an output port node with an endpoint definition
> -      as documented in
> -      Documentation/devicetree/bindings/media/video-interfaces.txt
> +      A node containing an output port node.
> 
>  required:
>    - compatible
> diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov772x.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov772x.yaml
> index 6866c2cdac50..44529425ce3a 100644
> --- a/Documentation/devicetree/bindings/media/i2c/ovti,ov772x.yaml
> +++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov772x.yaml
> @@ -37,13 +37,14 @@ properties:
>      maxItems: 1
> 
>    port:
> -    type: object
> +    $ref: /schemas/graph.yaml#/$defs/port-base
>      description: |
> -      Video output port. See ../video-interfaces.txt.
> +      Video output port.
> 
>      properties:
>        endpoint:
> -        type: object
> +        $ref: /schemas/media/video-interfaces.yaml#
> +        unevaluatedProperties: false
> 
>          properties:
>            bus-type:
> @@ -91,8 +92,6 @@ properties:
>          required:
>            - bus-type
> 
> -        unevaluatedProperties: false
> -
>      additionalProperties: false
> 
>  required:
> diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx214.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx214.yaml
> index 1a3590dd0e98..1b69b6342978 100644
> --- a/Documentation/devicetree/bindings/media/i2c/sony,imx214.yaml
> +++ b/Documentation/devicetree/bindings/media/i2c/sony,imx214.yaml
> @@ -15,6 +15,9 @@ description: |
>    interface. Image data is sent through MIPI CSI-2, through 2 or 4 lanes at a
>    maximum throughput of 1.2Gbps/lane.
> 
> +allOf:
> +  - $ref: ../video-interface-devices.yaml#
> +
>  properties:
>    compatible:
>      const: sony,imx214
> @@ -47,25 +50,21 @@ properties:
>      description: Chip digital core regulator (1.12V).
>      maxItems: 1
> 
> -  flash-leds:
> -    description: See ../video-interfaces.txt
> -
> -  lens-focus:
> -    description: See ../video-interfaces.txt
> +  flash-leds: true
> +  lens-focus: true
> 
>    port:
> -    type: object
> +    $ref: /schemas/graph.yaml#/$defs/port-base
>      description: |
> -      Video output port. See ../video-interfaces.txt.
> +      Video output port.
> 
>      properties:
>        endpoint:
> -        type: object
> +        $ref: /schemas/media/video-interfaces.yaml#
> +        unevaluatedProperties: false
> 
>          properties:
>            data-lanes:
> -            $ref: /schemas/types.yaml#/definitions/uint32-array
> -            description: See ../video-interfaces.txt
>              anyOf:
>                - items:
>                    - const: 1
> @@ -76,16 +75,12 @@ properties:
>                    - const: 3
>                    - const: 4
> 
> -          link-frequencies:
> -            $ref: /schemas/types.yaml#/definitions/uint64-array
> -            description: See ../video-interfaces.txt
> +          link-frequencies: true
> 
>          required:
>            - data-lanes
>            - link-frequencies
> 
> -        unevaluatedProperties: false
> -
>      additionalProperties: false
> 
>  required:
> diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx274.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx274.yaml
> index f697e1a20beb..90828020e42a 100644
> --- a/Documentation/devicetree/bindings/media/i2c/sony,imx274.yaml
> +++ b/Documentation/devicetree/bindings/media/i2c/sony,imx274.yaml
> @@ -44,8 +44,7 @@ properties:
>      maxItems: 1
> 
>    port:
> -    type: object
> -    description: Output video port. See ../video-interfaces.txt.
> +    $ref: /schemas/graph.yaml#/properties/port
> 
>  required:
>    - compatible
> diff --git a/Documentation/devicetree/bindings/media/marvell,mmp2-ccic.yaml b/Documentation/devicetree/bindings/media/marvell,mmp2-ccic.yaml
> index 49bff738aca5..9e85c70d1a1f 100644
> --- a/Documentation/devicetree/bindings/media/marvell,mmp2-ccic.yaml
> +++ b/Documentation/devicetree/bindings/media/marvell,mmp2-ccic.yaml
> @@ -24,29 +24,20 @@ properties:
>      maxItems: 1
> 
>    port:
> -    type: object
> +    $ref: /schemas/graph.yaml#/$defs/port-base
>      additionalProperties: false
> 
>      properties:
>        endpoint:
> -        type: object
> -        additionalProperties: false
> +        $ref: video-interfaces.yaml#
> +        unevaluatedProperties: false
> 
> -        # Properties described in
> -        # Documentation/devicetree/bindings/media/video-interfaces.txt
>          properties:
> -          remote-endpoint: true
>            hsync-active: true
>            vsync-active: true
>            pclk-sample: true
>            bus-type: true
> 
> -        required:
> -          - remote-endpoint
> -
> -    required:
> -      - endpoint
> -
>    clocks:
>      minItems: 1
>      maxItems: 3
> diff --git a/Documentation/devicetree/bindings/media/nxp,imx7-csi.yaml b/Documentation/devicetree/bindings/media/nxp,imx7-csi.yaml
> index 4e81a47e60ac..d91575b8ebb9 100644
> --- a/Documentation/devicetree/bindings/media/nxp,imx7-csi.yaml
> +++ b/Documentation/devicetree/bindings/media/nxp,imx7-csi.yaml
> @@ -33,10 +33,7 @@ properties:
>        - const: mclk
> 
>    port:
> -    type: object
> -    description:
> -      A node containing input port nodes with endpoint definitions as documented
> -      in Documentation/devicetree/bindings/media/video-interfaces.txt
> +    $ref: /schemas/graph.yaml#/properties/port
> 
>  required:
>    - compatible
> diff --git a/Documentation/devicetree/bindings/media/nxp,imx7-mipi-csi2.yaml b/Documentation/devicetree/bindings/media/nxp,imx7-mipi-csi2.yaml
> index 0668332959e7..be47a7b62ca9 100644
> --- a/Documentation/devicetree/bindings/media/nxp,imx7-mipi-csi2.yaml
> +++ b/Documentation/devicetree/bindings/media/nxp,imx7-mipi-csi2.yaml
> @@ -58,35 +58,22 @@ properties:
>        Differential receiver (HS-RX) settle time
> 
>    ports:
> -    type: object
> -    description:
> -      A node containing input and output port nodes with endpoint definitions
> -      as documented in
> -      Documentation/devicetree/bindings/media/video-interfaces.txt
> +    $ref: /schemas/graph.yaml#/properties/ports
> 
>      properties:
> -      '#address-cells':
> -        const: 1
> -
> -      '#size-cells':
> -        const: 0
> -
>        port@0:
> -        type: object
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
>          description:
>            Input port node, single endpoint describing the CSI-2 transmitter.
> 
>          properties:
> -          reg:
> -            const: 0
> -
>            endpoint:
> -            type: object
> +            $ref: video-interfaces.yaml#
> +            unevaluatedProperties: false
> 
>              properties:
>                data-lanes:
> -                $ref: /schemas/types.yaml#/definitions/uint32-array
> -                description: See ../video-interfaces.txt
>                  oneOf:
>                    - items:
>                        - const: 1
> @@ -94,18 +81,11 @@ properties:
>                        - const: 1
>                        - const: 2
> 
> -              remote-endpoint: true
> -
>              required:
>                - data-lanes
> -              - remote-endpoint
> -
> -            additionalProperties: false
> -
> -        additionalProperties: false
> 
>        port@1:
> -        type: object
> +        $ref: /schemas/graph.yaml#/properties/port
>          description:
>            Output port node
> 
> diff --git a/Documentation/devicetree/bindings/media/renesas,ceu.yaml b/Documentation/devicetree/bindings/media/renesas,ceu.yaml
> index c7e1e4fe67e6..50e0740af15a 100644
> --- a/Documentation/devicetree/bindings/media/renesas,ceu.yaml
> +++ b/Documentation/devicetree/bindings/media/renesas,ceu.yaml
> @@ -34,18 +34,15 @@ properties:
>      maxItems: 1
> 
>    port:
> -    type: object
> -    additionalProperties: false
> +    $ref: /schemas/graph.yaml#/$defs/port-base
> +    unevaluatedProperties: false
> 
>      properties:
>        endpoint:
> -        type: object
> -        additionalProperties: false
> +        $ref: video-interfaces.yaml#
> +        unevaluatedProperties: false
> 
> -         # Properties described in
> -         # Documentation/devicetree/bindings/media/video-interfaces.txt
>          properties:
> -          remote-endpoint: true
>            hsync-active: true
>            vsync-active: true
>            field-even-active: false
> @@ -53,12 +50,6 @@ properties:
>              enum: [8, 16]
>              default: 8
> 
> -        required:
> -          - remote-endpoint
> -
> -    required:
> -      - endpoint
> -
>  required:
>    - compatible
>    - reg
> diff --git a/Documentation/devicetree/bindings/media/renesas,csi2.yaml b/Documentation/devicetree/bindings/media/renesas,csi2.yaml
> index 533c2f181db7..20396f1be999 100644
> --- a/Documentation/devicetree/bindings/media/renesas,csi2.yaml
> +++ b/Documentation/devicetree/bindings/media/renesas,csi2.yaml
> @@ -46,24 +46,19 @@ properties:
>      maxItems: 1
> 
>    ports:
> -    type: object
> -    description:
> -      A node containing input and output port nodes with endpoint definitions
> -      as documented in
> -      Documentation/devicetree/bindings/media/video-interfaces.txt
> +    $ref: /schemas/graph.yaml#/properties/ports
> 
>      properties:
>        port@0:
> -        type: object
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
>          description:
>            Input port node, single endpoint describing the CSI-2 transmitter.
> 
>          properties:
> -          reg:
> -            const: 0
> -
>            endpoint:
> -            type: object
> +            $ref: video-interfaces.yaml#
> +            unevaluatedProperties: false
> 
>              properties:
>                clock-lanes:
> @@ -72,50 +67,19 @@ properties:
>                data-lanes:
>                  maxItems: 1
> 
> -              remote-endpoint: true
> -
>              required:
>                - clock-lanes
>                - data-lanes
> -              - remote-endpoint
> -
> -            additionalProperties: false
> -
> -        additionalProperties: false
> 
>        port@1:
> -        type: object
> +        $ref: /schemas/graph.yaml#/properties/port
>          description:
>            Output port node, multiple endpoints describing all the R-Car VIN
>            modules connected the CSI-2 receiver.
> 
> -        properties:
> -          '#address-cells':
> -            const: 1
> -
> -          '#size-cells':
> -            const: 0
> -
> -          reg:
> -            const: 1
> -
> -        patternProperties:
> -          "^endpoint@[0-9a-f]$":
> -            type: object
> -
> -            properties:
> -              reg:
> -                maxItems: 1
> -
> -              remote-endpoint: true
> -
> -            required:
> -              - reg
> -              - remote-endpoint
> -
> -            additionalProperties: false
> -
> -        additionalProperties: false
> +    required:
> +      - port@0
> +      - port@1
> 
>  required:
>    - compatible
> diff --git a/Documentation/devicetree/bindings/media/renesas,vin.yaml b/Documentation/devicetree/bindings/media/renesas,vin.yaml
> index ad2fe660364b..fe7c4cbfe4ba 100644
> --- a/Documentation/devicetree/bindings/media/renesas,vin.yaml
> +++ b/Documentation/devicetree/bindings/media/renesas,vin.yaml
> @@ -69,15 +69,15 @@ properties:
> 
>    #The per-board settings for Gen2 and RZ/G1 platforms:
>    port:
> -    type: object
> +    $ref: /schemas/graph.yaml#/$defs/port-base
> +    unevaluatedProperties: false
>      description:
> -      A node containing a parallel input with a single endpoint definitions as
> -      documented in
> -      Documentation/devicetree/bindings/media/video-interfaces.txt
> +      A node containing a parallel input
> 
>      properties:
>        endpoint:
> -        type: object
> +        $ref: video-interfaces.yaml#
> +        unevaluatedProperties: false
> 
>          properties:
>            hsync-active:
> @@ -106,15 +106,6 @@ properties:
> 
>            data-active: true
> 
> -          remote-endpoint: true
> -
> -        required:
> -          - remote-endpoint
> -
> -        additionalProperties: false
> -
> -    additionalProperties: false
> -
>    #The per-board settings for Gen3 and RZ/G2 platforms:
>    renesas,id:
>      description: VIN channel number
> @@ -123,23 +114,18 @@ properties:
>      maximum: 15
> 
>    ports:
> -    type: object
> -    description:
> -      A node containing input nodes with endpoint definitions as documented in
> -      Documentation/devicetree/bindings/media/video-interfaces.txt
> +    $ref: /schemas/graph.yaml#/properties/ports
> 
>      properties:
>        port@0:
> -        type: object
> +        $ref: /schemas/graph.yaml#/properties/port
>          description:
>            Input port node, single endpoint describing a parallel input source.
> 
>          properties:
> -          reg:
> -            const: 0
> -
>            endpoint:
> -            type: object
> +            $ref: video-interfaces.yaml#
> +            unevaluatedProperties: false
> 
>              properties:
>                hsync-active:
> @@ -168,98 +154,29 @@ properties:
> 
>                data-active: true
> 
> -              remote-endpoint: true
> -
> -            required:
> -              - remote-endpoint
> -
> -            additionalProperties: false
> -
> -        required:
> -          - endpoint
> -
> -        additionalProperties: false
> -
>        port@1:
> -        type: object
> +        $ref: /schemas/graph.yaml#/properties/port
>          description:
>            Input port node, multiple endpoints describing all the R-Car CSI-2
>            modules connected the VIN.
> 
>          properties:
> -          '#address-cells':
> -            const: 1
> -
> -          '#size-cells':
> -            const: 0
> -
> -          reg:
> -            const: 1
> -
>            endpoint@0:
> -            type: object
> +            $ref: /schemas/graph.yaml#/properties/endpoint
>              description: Endpoint connected to CSI20.
> 
> -            properties:
> -              reg:
> -                const: 0
> -
> -              remote-endpoint: true
> -
> -            required:
> -              - reg
> -              - remote-endpoint
> -
> -            additionalProperties: false
> -
>            endpoint@1:
> -            type: object
> +            $ref: /schemas/graph.yaml#/properties/endpoint
>              description: Endpoint connected to CSI21.
> 
> -            properties:
> -              reg:
> -                const: 1
> -
> -              remote-endpoint: true
> -
> -            required:
> -              - reg
> -              - remote-endpoint
> -
> -            additionalProperties: false
> -
>            endpoint@2:
> -            type: object
> +            $ref: /schemas/graph.yaml#/properties/endpoint
>              description: Endpoint connected to CSI40.
> 
> -            properties:
> -              reg:
> -                const: 2
> -
> -              remote-endpoint: true
> -
> -            required:
> -              - reg
> -              - remote-endpoint
> -
> -            additionalProperties: false
> -
>            endpoint@3:
> -            type: object
> +            $ref: /schemas/graph.yaml#/properties/endpoint
>              description: Endpoint connected to CSI41.
> 
> -            properties:
> -              reg:
> -                const: 3
> -
> -              remote-endpoint: true
> -
> -            required:
> -              - reg
> -              - remote-endpoint
> -
> -            additionalProperties: false
> -
>          anyOf:
>            - required:
>                - endpoint@0
> @@ -270,8 +187,6 @@ properties:
>            - required:
>                - endpoint@3
> 
> -        additionalProperties: false
> -
>  required:
>    - compatible
>    - reg
> diff --git a/Documentation/devicetree/bindings/media/rockchip-isp1.yaml b/Documentation/devicetree/bindings/media/rockchip-isp1.yaml
> index 2004c054ed1a..a6b1eff879ed 100644
> --- a/Documentation/devicetree/bindings/media/rockchip-isp1.yaml
> +++ b/Documentation/devicetree/bindings/media/rockchip-isp1.yaml
> @@ -56,56 +56,26 @@ properties:
>    power-domains:
>      maxItems: 1
> 
> -  # See ./video-interfaces.txt for details
>    ports:
> -    type: object
> -    additionalProperties: false
> +    $ref: /schemas/graph.yaml#/properties/ports
> 
>      properties:
> -      "#address-cells":
> -        const: 1
> -
> -      "#size-cells":
> -        const: 0
> -
>        port@0:
> -        type: object
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
>          description: connection point for sensors at MIPI-DPHY RX0
> -        additionalProperties: false
> 
>          properties:
> -          "#address-cells":
> -            const: 1
> -
> -          "#size-cells":
> -            const: 0
> -
> -          reg:
> -            const: 0
> -
> -        patternProperties:
>            endpoint:
> -            type: object
> -            additionalProperties: false
> +            $ref: video-interfaces.yaml#
> +            unevaluatedProperties: false
> 
>              properties:
> -              reg:
> -                maxItems: 1
> -
>                data-lanes:
>                  minItems: 1
>                  maxItems: 4
> 
> -              remote-endpoint: true
> -
> -        required:
> -          - reg
> -          - "#address-cells"
> -          - "#size-cells"
> -
>      required:
> -      - "#address-cells"
> -      - "#size-cells"
>        - port@0
> 
>  required:
> diff --git a/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml b/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml
> index c18574bb3e81..41e1d0cd80e5 100644
> --- a/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml
> +++ b/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml
> @@ -37,16 +37,15 @@ properties:
>      maxItems: 1
> 
>    port:
> -    type: object
> +    $ref: /schemas/graph.yaml#/$defs/port-base
> +    unevaluatedProperties: false
>      description:
> -      DCMI supports a single port node with parallel bus. It should contain
> -      one 'port' child node with child 'endpoint' node. Please refer to the
> -      bindings defined in
> -      Documentation/devicetree/bindings/media/video-interfaces.txt.
> +      DCMI supports a single port node with parallel bus.
> 
>      properties:
>        endpoint:
> -        type: object
> +        $ref: video-interfaces.yaml#
> +        unevaluatedProperties: false
> 
>          properties:
>            bus-type:
> @@ -57,8 +56,6 @@ properties:
>              enum: [8, 10, 12, 14]
>              default: 8
> 
> -          remote-endpoint: true
> -
>          allOf:
>            - if:
>                properties:
> @@ -73,14 +70,9 @@ properties:
>                    enum: [8]
> 
>          required:
> -          - remote-endpoint
>            - bus-type
>            - pclk-sample
> 
> -        unevaluatedProperties: false
> -
> -    additionalProperties: false
> -
>  required:
>    - compatible
>    - reg
> diff --git a/Documentation/devicetree/bindings/media/ti,cal.yaml b/Documentation/devicetree/bindings/media/ti,cal.yaml
> index 5e066629287d..65177cd69514 100644
> --- a/Documentation/devicetree/bindings/media/ti,cal.yaml
> +++ b/Documentation/devicetree/bindings/media/ti,cal.yaml
> @@ -15,10 +15,7 @@ description: |-
>    processing capability to connect CSI2 image-sensor modules to the
>    DRA72x device.
> 
> -  CAL supports 2 camera port nodes on MIPI bus. Each CSI2 camera port nodes
> -  should contain a 'port' child node with child 'endpoint' node. Please
> -  refer to the bindings defined in
> -  Documentation/devicetree/bindings/media/video-interfaces.txt.
> +  CAL supports 2 camera port nodes on MIPI bus.
> 
>  properties:
>    compatible:
> @@ -67,31 +64,19 @@ properties:
>        Documentation/devicetree/bindings/power/power_domain.txt
>      maxItems: 1
> 
> -  # See ./video-interfaces.txt for details
>    ports:
> -    type: object
> -    additionalProperties: false
> +    $ref: /schemas/graph.yaml#/properties/ports
> 
>      properties:
> -      "#address-cells":
> -        const: 1
> -
> -      "#size-cells":
> -        const: 0
> -
>        port@0:
> -        type: object
> -        additionalProperties: false
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description: CSI2 Port #0
> 
>          properties:
> -          reg:
> -            const: 0
> -            description: CSI2 Port #0
> -
> -        patternProperties:
>            endpoint:
> -            type: object
> -            additionalProperties: false
> +            $ref: video-interfaces.yaml#
> +            unevaluatedProperties: false
> 
>              properties:
>                clock-lanes:
> @@ -101,24 +86,15 @@ properties:
>                  minItems: 1
>                  maxItems: 4
> 
> -              remote-endpoint: true
> -
> -        required:
> -          - reg
> -
>        port@1:
> -        type: object
> -        additionalProperties: false
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description: CSI2 Port #1
> 
>          properties:
> -          reg:
> -            const: 1
> -            description: CSI2 Port #1
> -
> -        patternProperties:
>            endpoint:
> -            type: object
> -            additionalProperties: false
> +            $ref: video-interfaces.yaml#
> +            unevaluatedProperties: false
> 
>              properties:
>                clock-lanes:
> @@ -128,14 +104,7 @@ properties:
>                  minItems: 1
>                  maxItems: 4
> 
> -              remote-endpoint: true
> -
> -        required:
> -          - reg
> -
>      required:
> -      - "#address-cells"
> -      - "#size-cells"
>        - port@0
> 
>  required:
> diff --git a/Documentation/devicetree/bindings/media/xilinx/xlnx,csi2rxss.yaml b/Documentation/devicetree/bindings/media/xilinx/xlnx,csi2rxss.yaml
> index 2961a5b6872f..7d77823dbb7a 100644
> --- a/Documentation/devicetree/bindings/media/xilinx/xlnx,csi2rxss.yaml
> +++ b/Documentation/devicetree/bindings/media/xilinx/xlnx,csi2rxss.yaml
> @@ -97,24 +97,21 @@ properties:
>      maxItems: 1
> 
>    ports:
> -    type: object
> +    $ref: /schemas/graph.yaml#/properties/ports
> 
>      properties:
>        port@0:
> -        type: object
> +        $ref: /schemas/graph.yaml#/$defs/port-base
>          description: |
>            Input / sink port node, single endpoint describing the
>            CSI-2 transmitter.
> 
>          properties:
> -          reg:
> -            const: 0
> -
>            endpoint:
> -            type: object
> +            $ref: /schemas/media/video-interfaces.yaml#
> +            unevaluatedProperties: false
> 
>              properties:
> -
>                data-lanes:
>                  description: |
>                    This is required only in the sink port 0 endpoint which
> @@ -130,41 +127,17 @@ properties:
>                    - const: 3
>                    - const: 4
> 
> -              remote-endpoint: true
> -
>              required:
>                - data-lanes
> -              - remote-endpoint
> -
> -            additionalProperties: false
> 
> -        additionalProperties: false
> +        unevaluatedProperties: false
> 
>        port@1:
> -        type: object
> +        $ref: /schemas/graph.yaml#/properties/port
>          description: |
>            Output / source port node, endpoint describing modules
>            connected the CSI-2 receiver.
> 
> -        properties:
> -
> -          reg:
> -            const: 1
> -
> -          endpoint:
> -            type: object
> -
> -            properties:
> -
> -              remote-endpoint: true
> -
> -            required:
> -              - remote-endpoint
> -
> -            additionalProperties: false
> -
> -        additionalProperties: false
> -
>  required:
>    - compatible
>    - reg

-- 
Regards,

Laurent Pinchart

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