linux-kernel - Re: [PATCH v3 3/9] media: dt-bindings: cadence-csi2rx: Convert to DT schema

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Message-ID: <0aa3a039-daf3-7e05-6da9-258335a5ca20@linaro.org>
Date:   Fri, 31 Mar 2023 22:12:30 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Jack Zhu <jack.zhu@...rfivetech.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Robert Foss <rfoss@...nel.org>,
        Todor Tomov <todor.too@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Eugen Hristev <eugen.hristev@...labora.com>
Cc:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, changhuang.liang@...rfivetech.com
Subject: Re: [PATCH v3 3/9] media: dt-bindings: cadence-csi2rx: Convert to DT
 schema

On 31/03/2023 14:18, Jack Zhu wrote:
> Convert DT bindings document for Cadence MIPI-CSI2 RX controller
> to DT schema format.
> 
> Signed-off-by: Jack Zhu <jack.zhu@...rfivetech.com>
> ---
>  .../devicetree/bindings/media/cdns,csi2rx.txt | 100 ----------
>  .../bindings/media/cdns,csi2rx.yaml           | 174 ++++++++++++++++++
>  MAINTAINERS                                   |   1 +
>  3 files changed, 175 insertions(+), 100 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/media/cdns,csi2rx.txt
>  create mode 100644 Documentation/devicetree/bindings/media/cdns,csi2rx.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/cdns,csi2rx.txt b/Documentation/devicetree/bindings/media/cdns,csi2rx.txt
> deleted file mode 100644
> index 6b02a0657ad9..000000000000
> --- a/Documentation/devicetree/bindings/media/cdns,csi2rx.txt
> +++ /dev/null
> @@ -1,100 +0,0 @@
> -Cadence MIPI-CSI2 RX controller
> -===============================
> -
> -The Cadence MIPI-CSI2 RX controller is a CSI-2 bridge supporting up to 4 CSI
> -lanes in input, and 4 different pixel streams in output.
> -
> -Required properties:
> -  - compatible: must be set to "cdns,csi2rx" and an SoC-specific compatible


...

> +$id: http://devicetree.org/schemas/media/cdns,csi2rx.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cadence MIPI-CSI2 RX controller
> +
> +maintainers:
> +  - Maxime Ripard <mripard@...nel.org>
> +
> +description:
> +  The Cadence MIPI-CSI2 RX controller is a CSI-2 bridge supporting up to 4 CSI
> +  lanes in input, and 4 different pixel streams in output.
> +
> +properties:
> +  compatible:
> +    const: cdns,csi2rx

That's not equivalent conversion and your commit msg does no mention any
drops in compatibles.

> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: CSI2Rx system clock
> +      - description: Gated Register bank clock for APB interface
> +      - description: pixel Clock for Stream interface 0
> +      - description: pixel Clock for Stream interface 1
> +      - description: pixel Clock for Stream interface 2
> +      - description: pixel Clock for Stream interface 3
> +

Best regards,
Krzysztof