media: add imx319 camera sensor driver

Add a v4l2 sub-device driver for the Sony imx319 image sensor.
This is a camera sensor using the i2c bus for control and the
csi-2 bus for data.

This driver supports following features:
- manual exposure and analog/digital gain control support
- vblank/hblank control support
-  4 test patterns control support
- vflip/hflip control support (will impact the output bayer order)
- support following resolutions:
    - 3264x2448, 3280x2464 @ 30fps
    - 1936x1096, 1920x1080 @ 60fps
    - 1640x1232, 1640x922, 1296x736, 1280x720 @ 120fps
- support 4 bayer orders output (via change v/hflip)
    - SRGGB10(default), SGRBG10, SGBRG10, SBGGR10

[Sakari Ailus: Replace 64-bit division by do_div(), fix fwnode if usage]

Cc: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Tianshu Qiu <tian.shu.qiu@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

MAINTAINERS

@@ -13536,6 +13536,13 @@ S:	Maintained
 F:	drivers/media/i2c/imx274.c
 F:	Documentation/devicetree/bindings/media/i2c/imx274.txt
 
+SONY IMX319 SENSOR DRIVER
+M:	Bingbu Cao <bingbu.cao@intel.com>
+L:	linux-media@vger.kernel.org
+T:	git git://linuxtv.org/media_tree.git
+S:	Maintained
+F:	drivers/media/i2c/imx319.c
+
 SONY MEMORYSTICK CARD SUPPORT
 M:	Alex Dubov <oakad@yahoo.com>
 W:	http://tifmxx.berlios.de/

drivers/media/i2c/Kconfig

@@ -614,6 +614,17 @@ config VIDEO_IMX274
 	  This is a V4L2 sensor driver for the Sony IMX274
 	  CMOS image sensor.
 
+config VIDEO_IMX319
+	tristate "Sony IMX319 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
+	  IMX319 camera.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called imx319.
+
 config VIDEO_OV2640
 	tristate "OmniVision OV2640 sensor support"
 	depends on VIDEO_V4L2 && I2C

drivers/media/i2c/Makefile

@@ -108,5 +108,6 @@ obj-$(CONFIG_VIDEO_OV2659)	+= ov2659.o
 obj-$(CONFIG_VIDEO_TC358743)	+= tc358743.o
 obj-$(CONFIG_VIDEO_IMX258)	+= imx258.o
 obj-$(CONFIG_VIDEO_IMX274)	+= imx274.o
+obj-$(CONFIG_VIDEO_IMX319)	+= imx319.o
 
 obj-$(CONFIG_SDR_MAX2175) += max2175.o