media: imx: imx7_mipi_csis: Add greyscale formats support

Add support for the 8-, 10- and 12-bit greyscale media bus formats, and
map them to the CSI-2 RAW8, RAW10 and RAW12 formats respectively.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c
index f96e325..2dd0b02 100644 (file)
--- a/drivers/staging/media/imx/imx7-mipi-csis.c
+++ b/drivers/staging/media/imx/imx7-mipi-csis.c
@@ -280,6 +280,18 @@ static const struct csis_pix_format mipi_csis_formats[] = {
                .code = MEDIA_BUS_FMT_YUYV8_2X8,
                .fmt_reg = MIPI_CSIS_ISPCFG_FMT_YCBCR422_8BIT,
                .data_alignment = 16,
+       }, {
+               .code = MEDIA_BUS_FMT_Y8_1X8,
+               .fmt_reg = MIPI_CSIS_ISPCFG_FMT_RAW8,
+               .data_alignment = 8,
+       }, {
+               .code = MEDIA_BUS_FMT_Y10_1X10,
+               .fmt_reg = MIPI_CSIS_ISPCFG_FMT_RAW10,
+               .data_alignment = 16,
+       }, {
+               .code = MEDIA_BUS_FMT_Y12_1X12,
+               .fmt_reg = MIPI_CSIS_ISPCFG_FMT_RAW12,
+               .data_alignment = 16,
        }
 };