linux-kernel - Re: [PATCH 08/14] media: dt-bindings: nxp,imx8mq-mipi-csi2: Add i.MX8QM compatible strings

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Message-ID: <20250203222018.GA226659-robh@kernel.org>
Date: Mon, 3 Feb 2025 16:20:18 -0600
From: Rob Herring <robh@...nel.org>
To: Frank Li <Frank.Li@....com>
Cc: Vinod Koul <vkoul@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Rui Miguel Silva <rmfrfs@...il.com>,
	Martin Kepplinger <martink@...teo.de>,
	Purism Kernel Team <kernel@...i.sm>, linux-phy@...ts.infradead.org,
	devicetree@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-media@...r.kernel.org, "Guoniu.zhou" <guoniu.zhou@....com>,
	Robby Cai <robby.cai@....com>,
	Robert Chiras <robert.chiras@....com>,
	Mirela Rabulea <mirela.rabulea@....com>,
	Laurentiu Palcu <laurentiu.palcu@....nxp.com>
Subject: Re: [PATCH 08/14] media: dt-bindings: nxp,imx8mq-mipi-csi2: Add
 i.MX8QM compatible strings

On Fri, Jan 31, 2025 at 04:33:53PM -0500, Frank Li wrote:
> From: Robert Chiras <robert.chiras@....com>
> 
> Add compatible strings for i.MX8QM platform. Remove fsl,mipi-phy-gpr from
> required properties and add 'phys', since i.MX8QM use standard phy
> interface.
> 
> Keep the same restriction for other compatible strings.
> 
> Signed-off-by: Robert Chiras <robert.chiras@....com>
> Reviewed-by: Robby Cai <robby.cai@....com>
> Reviewed-by: Mirela Rabulea <mirela.rabulea@....com>
> Reviewed-by: Laurentiu Palcu <laurentiu.palcu@....nxp.com>
> Signed-off-by: Frank Li <Frank.Li@....com>
> ---
>  .../bindings/media/nxp,imx8mq-mipi-csi2.yaml       | 30 ++++++++++++++++++++--
>  1 file changed, 28 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml b/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml
> index 2a14e3b0e0040..91c4d8fbb1f8c 100644
> --- a/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml
> +++ b/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml
> @@ -18,6 +18,8 @@ properties:
>    compatible:
>      enum:
>        - fsl,imx8mq-mipi-csi2
> +      - fsl,imx8qm-mipi-csi2
> +      - fsl,imx8ulp-mipi-csi2
>  
>    reg:
>      maxItems: 1
> @@ -39,13 +41,18 @@ properties:
>        - const: ui
>  
>    power-domains:
> -    maxItems: 1
> +    minItems: 1
> +    maxItems: 2
>  
>    resets:
>      items:
>        - description: CORE_RESET reset register bit definition
>        - description: PHY_REF_RESET reset register bit definition
>        - description: ESC_RESET reset register bit definition
> +    minItems: 1
> +
> +  phys:
> +    maxItems: 1
>  
>    fsl,mipi-phy-gpr:
>      description: |
> @@ -113,9 +120,28 @@ required:
>    - clock-names
>    - power-domains
>    - resets
> -  - fsl,mipi-phy-gpr
>    - ports
>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - fsl,imx8qm-mipi-csi2
> +              - fsl,imx8ulp-mipi-csi2
> +    then:
> +      required:
> +        - phys
> +    else:
> +      properties:
> +        reg:
> +          maxItems: 1

The max is already 1.

> +        resets:
> +          minItems: 3

1, 2, or 3 resets is valid for imx8qm and imx8ulp?

2 power-domains are also now valid?

> +      required:
> +        - fsl,mipi-phy-gpr
> +
>  additionalProperties: false
>  
>  examples:
> 
> -- 
> 2.34.1
>