[RFC PATCH v2 0/4] Add driver for Renesas RZ/G2L CRU module

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Hi All,

This patch series aims to add driver support to CRU module found
on Renesas RZ/G2L SoC.

The Camera Data Receiving Unit (CRU) consists of a MIPI CSI-2
block and an Image Processing block. The Image Processing block
can receive video data received from the external Digital Parallel
Interface or MIPI CSI-2 block, and perform appropriate image
processing for each.

More details:
* https://renesas.info/wiki/File:CRU.png
* https://www.renesas.com/document/mah/
  rzg2l-group-rzg2lc-group-users-manual-hardware-0?language=en&r=1467981

Currently the driver has been tested using yavta and Gstreamer
on RZ/G2L SMARC EVK using the ov5645 sensor on CSI2 interface
only.

Patches are dependent on millstream series [0] and subdev active state series [1].

[0] https://lore.kernel.org/linux-media/20211130141536.891878-1-tomi.valkeinen@xxxxxxxxxxxxxxxx/T/#t
[1] https://lore.kernel.org/linux-media/20211217135022.364954-1-tomi.valkeinen@xxxxxxxxxxxxxxxx/T/#t

v1: https://patchwork.kernel.org/project/linux-renesas-soc/cover/
20211207012351.15754-1-prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx/

Cheers,
Prabhakar

Lad Prabhakar (4):
  media: dt-bindings: media: Document RZ/G2L CSI-2 block
  media: dt-bindings: media: Document RZ/G2L CRU
  media: platform: Add CRU driver for RZ/G2L SoC
  media: platform: Add Renesas RZ/G2L MIPI CSI-2 receiver driver

 .../bindings/media/renesas,rzg2l-cru.yaml     | 152 +++
 .../bindings/media/renesas,rzg2l-csi2.yaml    | 151 +++
 drivers/media/platform/Kconfig                |   1 +
 drivers/media/platform/Makefile               |   2 +
 .../media/platform/renesas/rzg2l-cru/Kconfig  |  28 +
 .../media/platform/renesas/rzg2l-cru/Makefile |   5 +
 .../platform/renesas/rzg2l-cru/rzg2l-core.c   | 432 ++++++++
 .../platform/renesas/rzg2l-cru/rzg2l-cru.h    | 155 +++
 .../platform/renesas/rzg2l-cru/rzg2l-csi2.c   | 928 ++++++++++++++++++
 .../platform/renesas/rzg2l-cru/rzg2l-dma.c    | 722 ++++++++++++++
 .../platform/renesas/rzg2l-cru/rzg2l-v4l2.c   | 360 +++++++
 11 files changed, 2936 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
 create mode 100644 Documentation/devicetree/bindings/media/renesas,rzg2l-csi2.yaml
 create mode 100644 drivers/media/platform/renesas/rzg2l-cru/Kconfig
 create mode 100644 drivers/media/platform/renesas/rzg2l-cru/Makefile
 create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-core.c
 create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h
 create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c
 create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-dma.c
 create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-v4l2.c

-- 
2.17.1




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