media: add imx355 camera sensor driver

Add a v4l2 sub-device driver for the Sony imx355 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:
    - 3268x2448, 3264x2448, 3280x2464 @ 30fps
    - 1940x1096, 1936x1096, 1924x1080, 1920x1080 @ 60fps
    - 1640x1232, 1640x922, 1300x736, 1296x736,
      1284x720, 1280x720 820x616 @ 120fps
- support 4 bayer orders output (via change v/hflip)
    - SRGGB10(default), SGRBG10, SGBRG10, SBGGR10

[Sakari Ailus: Use do_div() for dividing 64-bit numbers, fix fwnode if usage]

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

MAINTAINERS

@@ -13543,6 +13543,13 @@ T:	git git://linuxtv.org/media_tree.git
 S:	Maintained
 F:	drivers/media/i2c/imx319.c
 
+SONY IMX355 SENSOR DRIVER
+M:	Tianshu Qiu <tian.shu.qiu@intel.com>
+L:	linux-media@vger.kernel.org
+T:	git git://linuxtv.org/media_tree.git
+S:	Maintained
+F:	drivers/media/i2c/imx355.c
+
 SONY MEMORYSTICK CARD SUPPORT
 M:	Alex Dubov <oakad@yahoo.com>
 W:	http://tifmxx.berlios.de/

drivers/media/i2c/Kconfig

@@ -625,6 +625,17 @@ config VIDEO_IMX319
 	  To compile this driver as a module, choose M here: the
 	  module will be called imx319.
 
+config VIDEO_IMX355
+	tristate "Sony IMX355 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
+	  IMX355 camera.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called imx355.
+
 config VIDEO_OV2640
 	tristate "OmniVision OV2640 sensor support"
 	depends on VIDEO_V4L2 && I2C

drivers/media/i2c/Makefile

@@ -109,5 +109,6 @@ 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_VIDEO_IMX355)	+= imx355.o
 
 obj-$(CONFIG_SDR_MAX2175) += max2175.o