media: i2c: Add driver for ST VGXY61 camera sensor

The VGXY61 has a quad lanes CSI-2 output port running at 800mbps per
lane, and supports RAW8, RAW10, RAW12, RAW14 and RAW16 formats.
The driver handles both sensor types:
- VG5661 and VG6661: 1.6 Mpx (1464 x 1104) 75fps.
- VG5761 and VG6761: 2.3 Mpx (1944 x 1204) 60 fps.
The driver supports:
- HDR linearize mode, HDR substraction mode, and no HDR
- GPIOs LEDs strobing
- Digital binning and analog subsampling
- Horizontal and vertical flip
- Manual exposure
- Analog and digital gains
- Test patterns

Signed-off-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com>

drivers/media/i2c/Kconfig

@@ -769,6 +769,16 @@ config VIDEO_SR030PC30
 	help
 	  This driver supports SR030PC30 VGA camera from Siliconfile
 
+config VIDEO_ST_VGXY61
+	tristate "ST VGXY61 sensor support"
+	depends on OF && GPIOLIB && VIDEO_DEV && I2C
+	select MEDIA_CONTROLLER
+	select VIDEO_V4L2_SUBDEV_API
+	select V4L2_FWNODE
+	help
+	  This is a Video4Linux2 sensor driver for the ST VGXY61
+	  camera sensor.
+
 config VIDEO_VS6624
 	tristate "ST VS6624 sensor support"
 	depends on VIDEO_DEV && I2C

drivers/media/i2c/Makefile

@@ -117,6 +117,7 @@ obj-$(CONFIG_VIDEO_SAA7185) += saa7185.o
 obj-$(CONFIG_VIDEO_SONY_BTF_MPX) += sony-btf-mpx.o
 obj-$(CONFIG_VIDEO_SR030PC30) += sr030pc30.o
 obj-$(CONFIG_VIDEO_ST_MIPID02) += st-mipid02.o
+obj-$(CONFIG_VIDEO_ST_VGXY61) += st-vgxy61.o
 obj-$(CONFIG_VIDEO_TC358743) += tc358743.o
 obj-$(CONFIG_VIDEO_TDA1997X) += tda1997x.o
 obj-$(CONFIG_VIDEO_TDA7432) += tda7432.o