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media: i2c: Add support for OV02A10 sensor

From:  Dongchun Zhu <dongchun.zhu-AT-mediatek.com>
To:  <mchehab-AT-kernel.org>, <andriy.shevchenko-AT-linux.intel.com>, <robh+dt-AT-kernel.org>, <mark.rutland-AT-arm.com>, <sakari.ailus-AT-linux.intel.com>, <drinkcat-AT-chromium.org>, <tfiga-AT-chromium.org>, <matthias.bgg-AT-gmail.com>, <bingbu.cao-AT-intel.com>
Subject:  [PATCH v14 0/2] media: i2c: Add support for OV02A10 sensor
Date:  Wed, 2 Sep 2020 20:01:20 +0800
Message-ID:  <20200902120122.24456-1-dongchun.zhu@mediatek.com>
Cc:  <srv_heupstream-AT-mediatek.com>, <linux-mediatek-AT-lists.infradead.org>, <linux-arm-kernel-AT-lists.infradead.org>, <sj.huang-AT-mediatek.com>, <linux-media-AT-vger.kernel.org>, <devicetree-AT-vger.kernel.org>, <louis.kuo-AT-mediatek.com>, <shengnan.wang-AT-mediatek.com>, <dongchun.zhu-AT-mediatek.com>
Archive-link:  Article

Hello,

This series adds YAML DT binding and V4L2 sub-device driver for Omnivision's
OV02A10 2-megapixel 10-bit RAW CMOS 1/5" sensor, which has a single MIPI lane
interface and uses the I2C bus for control and the CSI-2 bus for data.

The driver is implemented with V4L2 framework.
 - Async registered as a V4L2 sub-device.
 - As the first component of camera system including Seninf, ISP pipeline.
 - A media entity that provides one source pad in common and two for dual-cam.

Also this driver supports following features:
 - Manual exposure and analog gain control support
 - Vertical blanking control support
 - Test pattern support
 - Media controller support
 - Runtime PM support
 - Support resolution: 1600x1200 at 30FPS
 
Previous versions of this patch-set can be found here:
 v13: https://lore.kernel.org/linux-media/20200710101850.4604-1...
 v12: https://lore.kernel.org/linux-media/20200702115223.21507-...
 v11: https://lore.kernel.org/linux-media/20200630024942.20891-...
 v10: https://lore.kernel.org/linux-media/20200615122937.18965-...
 v09: https://lore.kernel.org/linux-media/20200523084103.31276-...
 v08: https://lore.kernel.org/linux-media/20200509080627.23222-...
 v07: https://lore.kernel.org/linux-media/20200430080924.1140-1...
 v06: https://lore.kernel.org/linux-media/20191211112849.16705-...
 v05: https://lore.kernel.org/linux-media/20191104105713.24311-...
 v04: https://lore.kernel.org/linux-media/20190907092728.23897-...
 v03: https://lore.kernel.org/linux-media/20190819034331.13098-...
 v02: https://lore.kernel.org/linux-media/20190704084651.3105-1...
 v01: https://lore.kernel.org/linux-media/20190523102204.24112-...

Changes of v14 mainly address comments from Tomasz and Sakari.
Compared to v13:
 - Fix imperfections in DT
 - Use an array property "ovti,mipi-clock-voltage" to indicate MIPI TX speed
 - Add the handler to the optional property "ovti,mipi-clock-voltage" in driver

Please help to review this patch.
Thanks.

Dongchun Zhu (2):
  media: dt-bindings: media: i2c: Document OV02A10 bindings
  media: i2c: Add OV02A10 image sensor driver

 .../bindings/media/i2c/ovti,ov02a10.yaml           |  161 +++
 MAINTAINERS                                        |    8 +
 drivers/media/i2c/Kconfig                          |   13 +
 drivers/media/i2c/Makefile                         |    1 +
 drivers/media/i2c/ov02a10.c                        | 1083 ++++++++++++++++++++
 5 files changed, 1266 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/i2c/ovti,ov02a10.yaml
 create mode 100644 drivers/media/i2c/ov02a10.c

-- 
2.9.2


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