media: i2c: Add ov2740 image sensor driver

OminiVision ov2740 is a 2 megapixels RAW RGB image sensor which can
deliver 1920x1080@60fps frames. This driver add the support of
vertical blanking, exposure, test pattern, digital and analog gain
control for sensor.

Signed-off-by: Bingbu Cao <[email protected]>
Signed-off-by: Shawn Tu <[email protected]>
Signed-off-by: Qiu, Tianshu <[email protected]>
Signed-off-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

Author: bingbucao

MAINTAINERS

@@ -12423,6 +12423,15 @@ S:	Maintained
 T:	git git://linuxtv.org/media_tree.git
 F:	drivers/media/i2c/ov2685.c
 
+OMNIVISION OV2740 SENSOR DRIVER
+M:	Tianshu Qiu <[email protected]>
+R:	Shawn Tu <[email protected]>
+R:	Bingbu Cao <[email protected]>
+L:	[email protected]
+S:	Maintained
+T:	git git://linuxtv.org/media_tree.git
+F:	drivers/media/i2c/ov2740.c
+
 OMNIVISION OV5640 SENSOR DRIVER
 M:	Steve Longerbeam <[email protected]>
 L:	[email protected]

drivers/media/i2c/Kconfig

@@ -857,6 +857,19 @@ config VIDEO_OV2685
 	  To compile this driver as a module, choose M here: the
 	  module will be called ov2685.
 
+config VIDEO_OV2740
+	tristate "OmniVision OV2740 sensor support"
+	depends on VIDEO_V4L2 && I2C
+	select MEDIA_CONTROLLER
+	select VIDEO_V4L2_SUBDEV_API
+	select V4L2_FWNODE
+	help
+	  This is a Video4Linux2 sensor driver for the OmniVision
+	  OV2740 camera.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called ov2740.
+
 config VIDEO_OV5640
 	tristate "OmniVision OV5640 sensor support"
 	depends on OF

drivers/media/i2c/Makefile

@@ -66,6 +66,7 @@ obj-$(CONFIG_VIDEO_UPD64083) += upd64083.o
 obj-$(CONFIG_VIDEO_OV2640) += ov2640.o
 obj-$(CONFIG_VIDEO_OV2680) += ov2680.o
 obj-$(CONFIG_VIDEO_OV2685) += ov2685.o
+obj-$(CONFIG_VIDEO_OV2740) += ov2740.o
 obj-$(CONFIG_VIDEO_OV5640) += ov5640.o
 obj-$(CONFIG_VIDEO_OV5645) += ov5645.o
 obj-$(CONFIG_VIDEO_OV5647) += ov5647.o