linux-kernel - Re: [PATCH v2 12/19] dt-bindings: media: Add A31 MIPI CSI-2 bindings documentation

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Date:   Tue, 1 Dec 2020 13:15:37 +0100
From:   Maxime Ripard <maxime@...no.tech>
To:     Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Cc:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-sunxi@...glegroups.com, Yong Deng <yong.deng@...ewell.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Jonathan Corbet <corbet@....net>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Helen Koike <helen.koike@...labora.com>,
        Dafna Hirschfeld <dafna.hirschfeld@...labora.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        kevin.lhopital@...mail.com
Subject: Re: [PATCH v2 12/19] dt-bindings: media: Add A31 MIPI CSI-2 bindings
 documentation

On Sat, Nov 28, 2020 at 03:28:32PM +0100, Paul Kocialkowski wrote:
> This introduces YAML bindings documentation for the A31 MIPI CSI-2
> controller.
> 
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@...tlin.com>
> ---
>  .../media/allwinner,sun6i-a31-mipi-csi2.yaml  | 151 ++++++++++++++++++
>  1 file changed, 151 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/allwinner,sun6i-a31-mipi-csi2.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-mipi-csi2.yaml b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-mipi-csi2.yaml
> new file mode 100644
> index 000000000000..917cd09d6fda
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-mipi-csi2.yaml
> @@ -0,0 +1,151 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/allwinner,sun6i-a31-mipi-csi2.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Allwinner A31 MIPI CSI-2 Device Tree Bindings
> +
> +maintainers:
> +  - Paul Kocialkowski <paul.kocialkowski@...tlin.com>
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - const: allwinner,sun6i-a31-mipi-csi2
> +      - items:
> +          - const: allwinner,sun8i-v3s-mipi-csi2
> +          - const: allwinner,sun6i-a31-mipi-csi2
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: Bus Clock
> +      - description: Module Clock
> +
> +  clock-names:
> +    items:
> +      - const: bus
> +      - const: mod
> +
> +  phys:
> +    items:
> +      - description: MIPI D-PHY
> +
> +  phy-names:
> +    items:
> +      - const: dphy

If there's a single item, you don't need the items: in phys and phy-names

> +  resets:
> +    maxItems: 1
> +
> +  # See ./video-interfaces.txt for details
> +  ports:
> +    type: object
> +
> +    properties:
> +      port@0:
> +        type: object
> +        description: Input port, connect to a MIPI CSI-2 sensor
> +
> +        properties:
> +          reg:
> +            const: 0
> +
> +          endpoint:
> +            type: object
> +
> +            properties:
> +              remote-endpoint: true
> +
> +              data-lanes:
> +                minItems: 1
> +                maxItems: 4
> +
> +            required:
> +              - data-lanes
> +              - remote-endpoint
> +
> +        required:
> +          - endpoint
> +
> +        additionalProperties: false
> +
> +      port@1:
> +        type: object
> +        description: Output port, connect to a CSI controller
> +
> +        properties:
> +          reg:
> +            const: 1
> +
> +          endpoint:
> +            type: object
> +
> +            properties:
> +              remote-endpoint: true
> +
> +        required:
> +          - endpoint
> +
> +        additionalProperties: false

Same thing than for the other dt binding patch, there's a schema for it now

Maxime

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