linux-kernel - Re: [PATCH 1/5] media: dt-bindings: nxp,imx8mq-mipi-csi2: Add i.MX8ULP compatible string

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <aJtrBKD00lj2TzwW@lizhi-Precision-Tower-5810>
Date: Tue, 12 Aug 2025 12:25:40 -0400
From: Frank Li <Frank.li@....com>
To: guoniu.zhou@....nxp.com
Cc: linux-media@...r.kernel.org, devicetree@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, rmfrfs@...il.com,
	laurent.pinchart@...asonboard.com, martink@...teo.de,
	kernel@...i.sm, mchehab@...nel.org, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, shawnguo@...nel.org,
	s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com
Subject: Re: [PATCH 1/5] media: dt-bindings: nxp,imx8mq-mipi-csi2: Add
 i.MX8ULP compatible string

On Tue, Aug 12, 2025 at 04:19:21PM +0800, guoniu.zhou@....nxp.com wrote:
> From: Guoniu Zhou <guoniu.zhou@....com>
>
> The CSI-2 receiver in the i.MX8ULP is almost identical to the
> version present in the i.MX8QXP/QM. But have different reset
> and clock design, so add a device-specific compatible string
> for i.MX8ULP to handle the difference.

Nit: wrap at 75 chars.

Keep the same restriction for other compatible string.

>
> Signed-off-by: Guoniu Zhou <guoniu.zhou@....com>
> ---
>  .../bindings/media/nxp,imx8mq-mipi-csi2.yaml  | 23 +++++++++++++++++++
>  1 file changed, 23 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml b/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml
> index 3389bab266a9..83fdda2252e5 100644
> --- a/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml
> +++ b/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml
> @@ -20,6 +20,7 @@ properties:
>        - enum:
>            - fsl,imx8mq-mipi-csi2
>            - fsl,imx8qxp-mipi-csi2
> +          - fsl,imx8ulp-mipi-csi2
>        - items:
>            - const: fsl,imx8qm-mipi-csi2
>            - const: fsl,imx8qxp-mipi-csi2
> @@ -39,12 +40,17 @@ properties:
>                       clock that the RX DPHY receives.
>        - description: ui is the pixel clock (phy_ref up to 333Mhz).
>                       See the reference manual for details.
> +      - description: pclk is the lpav bus clock of i.MX8ULP.
> +                     See the reference manual for details.
> +    minItems: 3
>
>    clock-names:
>      items:
>        - const: core
>        - const: esc
>        - const: ui
> +      - const: pclk
> +    minItems: 3
>
>    power-domains:
>      maxItems: 1
> @@ -137,6 +143,23 @@ allOf:
>            minItems: 2
>          resets:
>            maxItems: 1
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - fsl,imx8ulp-mipi-csi2
> +    then:
> +      properties:
> +        reg:
> +          minItems: 2
> +        resets:
> +          maxItems: 2

need restrict minItems:  also, because top reset: minItems is 1.

Frank
> +        clocks:
> +          minItems: 4
> +        clock-names:
> +          minItems: 4
>      else:
>        properties:
>          reg:
> --
> 2.34.1
>