[media] v4l: Add mt9v032 sensor driver

The MT9V032 is a parallel wide VGA sensor from Aptina (formerly Micron)
controlled through I2C.

The driver creates a V4L2 subdevice. It currently supports binning and
cropping, and the gain, auto gain, exposure, auto exposure and test
pattern controls.
Signed-off-by: Detlev Casanova <detlev.casanova@gmail.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/Kconfig

@@ -337,6 +337,13 @@ config VIDEO_MT9V011
 	  mt0v011 1.3 Mpixel camera.  It currently only works with the
 	  em28xx driver.
 
+config VIDEO_MT9V032
+	tristate "Micron MT9V032 sensor support"
+	depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
+	---help---
+	  This is a Video4Linux2 sensor-level driver for the Micron
+	  MT9V032 752x480 CMOS sensor.
+
 config VIDEO_TCM825X
 	tristate "TCM825x camera sensor support"
 	depends on I2C && VIDEO_V4L2

drivers/media/video/Makefile

@@ -66,6 +66,7 @@ obj-$(CONFIG_VIDEO_OV7670) 	+= ov7670.o
 obj-$(CONFIG_VIDEO_TCM825X) += tcm825x.o
 obj-$(CONFIG_VIDEO_TVEEPROM) += tveeprom.o
 obj-$(CONFIG_VIDEO_MT9V011) += mt9v011.o
+obj-$(CONFIG_VIDEO_MT9V032) += mt9v032.o
 obj-$(CONFIG_VIDEO_SR030PC30)	+= sr030pc30.o
 obj-$(CONFIG_VIDEO_NOON010PC30)	+= noon010pc30.o
 

include/media/mt9v032.h

+#ifndef _MEDIA_MT9V032_H
+#define _MEDIA_MT9V032_H
+
+struct v4l2_subdev;
+
+struct mt9v032_platform_data {
+	unsigned int clk_pol:1;
+
+	void (*set_clock)(struct v4l2_subdev *subdev, unsigned int rate);
+};
+
+#endif