Re: [PATCH 3/5] media: nxp: imx8-isi: Add parallel camera input support
From: Frank Li <Frank.li@nxp.com>
Date: 2025-08-27 14:30:01
Also in:
imx, linux-devicetree, linux-media, lkml
On Wed, Aug 27, 2025 at 05:53:50PM +0800, Guoniu Zhou wrote:
From: Alice Yuan <redacted> 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 <redacted> Signed-off-by: Guoniu Zhou <redacted> ---
Reviewed-by: Frank Li <Frank.Li@nxp.com>
quoted hunk ↗ jump to hunk
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