Re: [PATCH 5/5] media: imx8mq-mipi-csi2: Add support for i.MX8ULP

From: Frank Li
Date: Tue Aug 12 2025 - 12:48:23 EST


On Tue, Aug 12, 2025 at 04:19:26PM +0800, guoniu.zhou@xxxxxxxxxxx wrote:
> From: Guoniu Zhou <guoniu.zhou@xxxxxxx>
>
> The CSI-2 receiver in i.MX8ULP is almost same as i.MX8QXP/QM except
> clocks and resets, so add compatible string for i.MX8ULP to handle
> the difference and reuse platform data of i.MX8QXP/QM.
>
> Signed-off-by: Guoniu Zhou <guoniu.zhou@xxxxxxx>
> ---
> drivers/media/platform/nxp/imx8mq-mipi-csi2.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/media/platform/nxp/imx8mq-mipi-csi2.c b/drivers/media/platform/nxp/imx8mq-mipi-csi2.c
> index 071d939d9048..14cd08f9a4f6 100644
> --- a/drivers/media/platform/nxp/imx8mq-mipi-csi2.c
> +++ b/drivers/media/platform/nxp/imx8mq-mipi-csi2.c
> @@ -1136,6 +1136,7 @@ static void imx8mq_mipi_csi_remove(struct platform_device *pdev)
> static const struct of_device_id imx8mq_mipi_csi_of_match[] = {
> { .compatible = "fsl,imx8mq-mipi-csi2", .data = &imx8mq_data },
> { .compatible = "fsl,imx8qxp-mipi-csi2", .data = &imx8qxp_data },
> + { .compatible = "fsl,imx8ulp-mipi-csi2", .data = &imx8qxp_data },

if platform data is the same, you can update dt binding file, allow
fsl,imx8ulp-mipi-csi2 fallback to fsl,imx8qxp-mipi-csi2.

So, needn't this patch at all.

comaptible = "fsl,imx8ulp-mipi-csi2", "fsl,imx8qxp-mipi-csi2".

Frank

> { /* sentinel */ },
> };
> MODULE_DEVICE_TABLE(of, imx8mq_mipi_csi_of_match);
> --
> 2.34.1
>