On Wed, Aug 27, 2025 at 05:53:50PM +0800, Guoniu Zhou wrote:
> From: Alice Yuan <alice.yuan@nxp.com>
>
> The ISI module on i.MX93 implements one camera input which can be
> connected to either of MIPI CSI-2 or parallel camera. The source
> type can be selected by setting camera mux control register.
>
> Signed-off-by: Alice Yuan <alice.yuan@nxp.com>
> Signed-off-by: Guoniu Zhou <guoniu.zhou@nxp.com>
> ---
Reviewed-by: Frank Li <Frank.Li@nxp.com>
> drivers/media/platform/nxp/imx8-isi/imx8-isi-gasket.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/drivers/media/platform/nxp/imx8-isi/imx8-isi-gasket.c b/drivers/media/platform/nxp/imx8-isi/imx8-isi-gasket.c
> index c05e26798032367813c8730550a7eec2f237b4eb..139226c46cf96d4086716f9f20a876b20eb0e22a 100644
> --- a/drivers/media/platform/nxp/imx8-isi/imx8-isi-gasket.c
> +++ b/drivers/media/platform/nxp/imx8-isi/imx8-isi-gasket.c
> @@ -59,6 +59,7 @@ const struct mxc_gasket_ops mxc_imx8_gasket_ops = {
> #define DISP_MIX_CAMERA_MUX 0x30
> #define DISP_MIX_CAMERA_MUX_DATA_TYPE(x) FIELD_PREP(GENMASK(8, 3), (x))
> #define DISP_MIX_CAMERA_MUX_GASKET_ENABLE BIT(16)
> +#define DISP_MIX_CAMERA_MUX_GASKET_SRC BIT(17)
>
> static void mxc_imx93_gasket_enable(struct mxc_isi_dev *isi,
> const struct v4l2_mbus_frame_desc *fd,
> @@ -69,6 +70,16 @@ static void mxc_imx93_gasket_enable(struct mxc_isi_dev *isi,
>
> val = DISP_MIX_CAMERA_MUX_DATA_TYPE(fd->entry[0].bus.csi2.dt);
> val |= DISP_MIX_CAMERA_MUX_GASKET_ENABLE;
> +
> + /*
> + * CAMERA MUX
> + * - [17]: Selects source input to gasket
> + * 0: Data from MIPI CSI
> + * 1: Data from parallel camera
> + */
> + if (fd->type == V4L2_MBUS_FRAME_DESC_TYPE_PARALLEL)
> + val |= DISP_MIX_CAMERA_MUX_GASKET_SRC;
> +
> regmap_write(isi->gasket, DISP_MIX_CAMERA_MUX, val);
> }
>
>
> --
> 2.34.1
>