Re: [PATCH v2 03/12] dt-bindings: media: nxp: Add support for FSD SoC

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On 14/08/2025 16:09, Inbaraj E wrote:
> Document the MIPI CSI2 controller device tree bindings for Tesla
> FSD SoC

Explain the hardware.

> 
> Signed-off-by: Inbaraj E <inbaraj.e@xxxxxxxxxxx>
> ---
>  .../bindings/media/nxp,imx-mipi-csi2.yaml     | 88 ++++++++++++++-----
>  1 file changed, 68 insertions(+), 20 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/media/nxp,imx-mipi-csi2.yaml b/Documentation/devicetree/bindings/media/nxp,imx-mipi-csi2.yaml
> index 03a23a26c4f3..802fb1bd150d 100644
> --- a/Documentation/devicetree/bindings/media/nxp,imx-mipi-csi2.yaml
> +++ b/Documentation/devicetree/bindings/media/nxp,imx-mipi-csi2.yaml
> @@ -14,7 +14,7 @@ description: |-
>    The NXP i.MX7 and i.MX8 families contain SoCs that include a MIPI CSI-2
>    receiver IP core named CSIS. The IP core originates from Samsung, and may be
>    compatible with some of the Exynos4 and S5P SoCs. i.MX7 SoCs use CSIS version
> -  3.3, and i.MX8 SoCs use CSIS version 3.6.3.
> +  3.3, i.MX8 SoCs use CSIS version 3.6.3 and FSD SoC uses CSIS version 4.3.
>  
>    While the CSI-2 receiver is separate from the MIPI D-PHY IP core, the PHY is
>    completely wrapped by the CSIS and doesn't expose a control interface of its
> @@ -26,6 +26,7 @@ properties:
>        - enum:
>            - fsl,imx7-mipi-csi2
>            - fsl,imx8mm-mipi-csi2
> +          - tesla,fsd-mipi-csi2


Isn't this Samsung CSI IP? Why are you adding it to NXP? Nothing in
commit msg helps me to understand that.

>        - items:
>            - enum:
>                - fsl,imx8mp-mipi-csi2
> @@ -38,24 +39,21 @@ properties:
>      maxItems: 1
>  
>    clocks:
> -    minItems: 3
> -    items:
> -      - description: The peripheral clock (a.k.a. APB clock)
> -      - description: The external clock (optionally used as the pixel clock)
> -      - description: The MIPI D-PHY clock
> -      - description: The AXI clock
> +    minItems: 2
> +    maxItems: 4
>  
>    clock-names:
> -    minItems: 3
> -    items:
> -      - const: pclk
> -      - const: wrap
> -      - const: phy
> -      - const: axi
> +    minItems: 2
> +    maxItems: 4
>  
>    power-domains:
>      maxItems: 1
>  
> +  samsung,syscon-csis:

samsung, so not nxp. Even more confusing.


Best regards,
Krzysztof




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