Re: [PATCH v2 1/4] dt-bindings: media: add mediatek ISP3.0 sensor interface

[Rob Herring <robh@kernel.org>]

On Fri, Jun 30, 2023 at 12:01:50PM +0200, Julien Stephan wrote:
> From: Louis Kuo <louis.kuo@mediatek.com>
> 
> This adds the bindings, for the mediatek ISP3.0 SENINF module embedded in
> some Mediatek SoC, such as the mt8365
> 
> Signed-off-by: Louis Kuo <louis.kuo@mediatek.com>
> Signed-off-by: Phi-Bang Nguyen <pnguyen@baylibre.com>
> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Signed-off-by: Julien Stephan <jstephan@baylibre.com>
> ---
>  .../media/mediatek,mt8365-seninf.yaml         | 295 ++++++++++++++++++
>  MAINTAINERS                                   |   7 +
>  2 files changed, 302 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/mediatek,mt8365-seninf.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/mediatek,mt8365-seninf.yaml b/Documentation/devicetree/bindings/media/mediatek,mt8365-seninf.yaml
> new file mode 100644
> index 000000000000..1697e94853f5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/mediatek,mt8365-seninf.yaml
> @@ -0,0 +1,295 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (c) 2023 MediaTek, BayLibre
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/mediatek,mt8365-seninf.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek Sensor Interface 3.0
> +
> +maintainers:
> +  - Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> +  - Julien Stephan <jstephan@baylibre.com>
> +  - Andy Hsieh <andy.hsieh@mediatek.com>
> +
> +description:
> +  The ISP3.0 SENINF is the CSI-2 and parallel camera sensor interface found in
> +  multiple MediaTek SoCs. It can support up to three physical CSI-2
> +  input ports, configured in DPHY (2 or 4 data lanes) or CPHY depending on the SoC.
> +  On the output side, SENINF can be connected either to CAMSV instance or
> +  to the internal ISP. CAMSV is used to transfer the sensor data (Raw, YUV)
> +  to DRAM directly, without internal ISP processing.
> +
> +properties:
> +  compatible:
> +    const: mediatek,mt8365-seninf
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: Seninf camsys clock
> +      - description: Seninf top mux clock
> +
> +  clock-names:
> +    items:
> +      - const: camsys
> +      - const: top_mux
> +
> +  phys:
> +    minItems: 1
> +    maxItems: 4
> +    description:
> +      phandle to the PHYs connected to CSI0/A, CSI1, CSI2 and CSI0B
> +
> +  phy-names:
> +    minItems: 1
> +    items:
> +      - const: csi0
> +      - const: csi1
> +      - const: csi2
> +      - const: csi0b
> +
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +
> +    properties:
> +      port@0:
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description: CSI0 or CSI0A port
> +
> +        properties:
> +          endpoint:
> +            $ref: video-interfaces.yaml#
> +            unevaluatedProperties: false
> +
> +            properties:
> +              clock-lanes:
> +                maxItems: 1
> +              data-lanes:
> +                minItems: 1
> +                maxItems: 4
> +
> +      port@1:
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description: CSI1 port
> +
> +        properties:
> +          endpoint:
> +            $ref: video-interfaces.yaml#
> +            unevaluatedProperties: false
> +
> +            properties:
> +              clock-lanes:
> +                maxItems: 1
> +              data-lanes:
> +                minItems: 1
> +                maxItems: 4
> +
> +      port@2:
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description: CSI2 port
> +
> +        properties:
> +          endpoint:
> +            $ref: video-interfaces.yaml#
> +            unevaluatedProperties: false
> +
> +            properties:
> +              clock-lanes:
> +                maxItems: 1
> +              data-lanes:
> +                minItems: 1
> +                maxItems: 4
> +
> +      port@3:
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description: CSI0B port
> +
> +        properties:
> +          endpoint:
> +            $ref: video-interfaces.yaml#
> +            unevaluatedProperties: false
> +
> +            properties:
> +              clock-lanes:
> +                maxItems: 1
> +              data-lanes:
> +                minItems: 1
> +                maxItems: 2
> +
> +      port@4:
> +        $ref: /schemas/graph.yaml#/$defs/port-base

/schemas/graph.yaml#/properties/port

> +        unevaluatedProperties: false

Drop

> +        description: connection point for cam0
> +
> +        properties:

Drop all this. Don't need to define endpoint as 
/schemas/graph.yaml#/properties/port already does.

Same on other ports.

> +          endpoint:
> +            $ref: /schemas/graph.yaml#/$defs/endpoint-base
> +            unevaluatedProperties: false


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