Add support for Omnivision OV5647

Hello,

This patchset adds support for the Omnivision OV5647 sensor.

At the moment it only supports 640x480 in RAW 8.

This is the eleventh version of the OV5647 camera driver patchset.

v11:
- Remove leftover debug code

v10:
- Add more error info to model check
- Remove empty callback

- Change error message in read function
- Change clock handling
- Add error checking where it was missing
- Remove debug messages
- Remove the need for clock name

- Code refactoring

v9:
- Remove unused struct
- Remove comments
- Refactor error handling in i2c r/w functions
- Change declarations to single line.
- Remove value assignment in variable declarion
- Refactor configurion write loop
- Change the variable type that received ov5647_read() read value
- Remove print from probe function
- Remove unused device struct
- Remove OF dependency from Kconfig

v8:
- Remove a part of the initialization procedure which wasn't doing anything
- Check for i2c read/writes return values
- Add stream_on/off functions

v7:
- Remove "0x" and leading 0 from DT documentation examples

v6:
- Add example to DT documentation
- Remove data-lanes and clock-lane property from DT
- Add external clock property to DT
- Order includes
- Remove unused variables and functions
- Add external clock handling
- Add power on counter
- Change from g/s_parm to g/s_frame_interval

v5:
- Refactor code
- Change comments
- Add missing error handling in some functions

v4:
- Add correct license
- Revert debugging info to generic infrastructure
- Turn defines into enums
- Correct code style issues
- Remove unused defines
- Make sure all errors where being handled
- Rename some functions to make code more readable
- Add some debugging info

v3:
- No changes. Re-submitted due to lack of responses

v2:
- Corrections in DT documentation

Ramiro Oliveira (2):
Documentation: DT: Add OV5647 bindings
media: i2c: Add support for OV5647 sensor.

 .../devicetree/bindings/media/i2c/ov5647.txt       |  35 ++
 MAINTAINERS                                        |   7 +
 drivers/media/i2c/Kconfig                          |  11 +
 drivers/media/i2c/Makefile                         |   1 +
 drivers/media/i2c/ov5647.c                         | 634 +++++++++++++++++++++
 5 files changed, 688 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/i2c/ov5647.txt
 create mode 100644 drivers/media/i2c/ov5647.c

2.11.0

Create device tree bindings documentation.

---
 .../devicetree/bindings/media/i2c/ov5647.txt       | 35 ++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/i2c/ov5647.txt

new file mode 100644
index 000000000000..22e44945b661
@@ -0,0 +1,35 @@
+Omnivision OV5647 raw image sensor
+---------------------------------
+
+OV5647 is a raw image sensor with MIPI CSI-2 and CCP2 image data interfaces
+and CCI (I2C compatible) control bus.
+
+Required properties:
+
+- compatible		: "ovti,ov5647".
+- reg			: I2C slave address of the sensor.
+- clocks		: Reference to the xclk clock.
+
+The common video interfaces bindings (see video-interfaces.txt) should be
+used to specify link to the image data receiver. The OV5647 device
+node should contain one 'port' child node with an 'endpoint' subnode.
+
+Endpoint node mandatory properties:
+
+- remote-endpoint: A phandle to the bus receiver's endpoint node.
+
+Example:
+
+	i2c@2000 {
+		...
+		ov: camera@36 {
+			compatible = "ovti,ov5647";
+			reg = <0x36>;
+			clocks = <&camera_clk>;
+			port {
+				camera_1: endpoint {
+					remote-endpoint = <&csi1_ep1>;
+				};
+			};
+		};
+	};

2.11.0


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The OV5647 sensor from Omnivision supports up to 2592x1944 @ 15 fps, RAW 8 and RAW 10 output formats, and MIPI CSI-2 interface.

The driver adds support for 640x480 RAW 8.

---
 MAINTAINERS                |   7 +
 drivers/media/i2c/Kconfig  |  11 +
 drivers/media/i2c/Makefile |   1 +
 drivers/media/i2c/ov5647.c | 634 +++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 653 insertions(+)
 create mode 100644 drivers/media/i2c/ov5647.c

index 83a42ef1d1a7..f60cc40b005d 100644
@@ -9267,6 +9267,13 @@ M:	Harald Welte <[email protected]>
 S:	Maintained
 F:	drivers/char/pcmcia/cm4040_cs.*
 
+OMNIVISION OV5647 SENSOR DRIVER
+M:	Ramiro Oliveira <roliveir-HKixBCOQz3hWk0Htik3J/[email protected]>
+L:	[email protected]
+T:	git git://linuxtv.org/media_tree.git
+S:	Maintained
+F:	drivers/media/i2c/ov5647.c
+
 OMNIVISION OV7670 SENSOR DRIVER
 M:	Jonathan Corbet <[email protected]>
 L:	[email protected]

index cee1dae6e014..8435b99f38bc 100644
@@ -531,6 +531,17 @@ config VIDEO_OV2659
 	  To compile this driver as a module, choose M here: the
 	  module will be called ov2659.
 
+config VIDEO_OV5647
+	tristate "OmniVision OV5647 sensor support"
+	depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
+	depends on MEDIA_CAMERA_SUPPORT
+	---help---
+	  This is a Video4Linux2 sensor-level driver for the OmniVision
+	  OV5647 camera.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called ov5647.
+
 config VIDEO_OV7640
 	tristate "OmniVision OV7640 sensor support"
 	depends on I2C && VIDEO_V4L2

index 5bc7bbeb5499..ef2ccf65f94c 100644
@@ -83,3 +83,4 @@ obj-$(CONFIG_VIDEO_IR_I2C)  += ir-kbd-i2c.o
 obj-$(CONFIG_VIDEO_ML86V7667)	+= ml86v7667.o
 obj-$(CONFIG_VIDEO_OV2659)	+= ov2659.o
 obj-$(CONFIG_VIDEO_TC358743)	+= tc358743.o
+obj-$(CONFIG_VIDEO_OV5647)	+= ov5647.o

2.11.0


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