media: i2c: Add driver for Sony IMX477 sensor

Adds a driver for the 12MPix Sony IMX477 CSI2 sensor.
Whilst the sensor supports 2 or 4 CSI2 data lanes, this driver
currently only supports 2 lanes.

The following Bayer modes are currently available:

4056x3040 12-bit @ 10fps
2028x1520 12-bit (binned) @ 40fps
2028x1050 12-bit (cropped/binned) @ 50fps
1012x760 10-bit (scaled) @ 120 fps

Signed-off-by: Naushir Patuck <[email protected]>

MAINTAINERS

@@ -16346,6 +16346,14 @@ S:	Maintained
 T:	git git://linuxtv.org/media_tree.git
 F:	drivers/media/i2c/imx355.c
 
+SONY IMX477 SENSOR DRIVER
+M:	Raspberry Pi Kernel Maintenance <[email protected]>
+L:	[email protected]
+S:	Maintained
+T:	git git://linuxtv.org/media_tree.git
+F:	Documentation/devicetree/bindings/media/i2c/imx477.yaml
+F:	drivers/media/i2c/imx477.c
+
 SONY MEMORYSTICK SUBSYSTEM
 M:	Maxim Levitsky <[email protected]>
 M:	Alex Dubov <[email protected]>

drivers/media/i2c/Kconfig

@@ -801,6 +801,17 @@ config VIDEO_IMX290
 	  To compile this driver as a module, choose M here: the
 	  module will be called imx290.
 
+config VIDEO_IMX477
+	tristate "Sony IMX477 sensor support"
+	depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
+	depends on MEDIA_CAMERA_SUPPORT
+	help
+	  This is a Video4Linux2 sensor driver for the Sony
+	  IMX477 camera.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called imx477.
+
 config VIDEO_IMX319
 	tristate "Sony IMX319 sensor support"
 	depends on I2C && VIDEO_V4L2

drivers/media/i2c/Makefile

@@ -119,6 +119,7 @@ obj-$(CONFIG_VIDEO_IMX219)	+= imx219.o
 obj-$(CONFIG_VIDEO_IMX258)	+= imx258.o
 obj-$(CONFIG_VIDEO_IMX274)	+= imx274.o
 obj-$(CONFIG_VIDEO_IMX290)	+= imx290.o
+obj-$(CONFIG_VIDEO_IMX477)	+= imx477.o
 obj-$(CONFIG_VIDEO_IMX319)	+= imx319.o
 obj-$(CONFIG_VIDEO_IMX355)	+= imx355.o
 obj-$(CONFIG_VIDEO_MAX9286)	+= max9286.o