Messages in this thread |  | | From | Lad Prabhakar <> | | Subject | [PATCH v2 0/4] Add driver for CSI2 and CRU modules found on Renesas RZ/G2L SoC | | Date | Tue, 6 Sep 2022 00:04:02 +0100 |
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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.
v1 -> v2: * Dropped media prefix from subject * Renamed node name csi20 -> csi * Used 4 spaces for indentation in example node * Dropped reset-names and interrupt-names properties * Dropped oneOf from compatible * Included RB tags from Laurent * Marked port0/1 as required for cru node * Sorted Kconfig select * Prefixed generic names for struct/variables with rzg2_csi2 * Dropped unnecessary checks for remote source * Dropped exporting functions * Moved lane validation to probe * Split up rzg2l_csi2_dphy_setting() and rzg2l_csi2_mipi_link_setting() * Used rzg2l_csi2_write() wherever possible * Dropped stream_count/lock members from csi2 struct * Used active subdev state instead of manually storing format in driver * Implemented init_cfg/enum_frame_size/enum_mbus_code callbacks * Dropped check for bus_type of remote source * Switched to manually turning ON/OFF the clocks instead of pm_runtime so that the mipi/dhpy initialization happens as per the HW manual * Hardcoded VC0 usage for now as streams API is under development
v1: - https://patchwork.kernel.org/project/linux-renesas-soc/cover/20220801214718.16943-1-prabhakar.mahadev-lad.rj@bp.renesas.com/
RFC v2: - https://patchwork.kernel.org/project/linux-renesas-soc/cover/20220121010543.31385-1-prabhakar.mahadev-lad.rj@bp.renesas.com/
RFC v1: - https://patchwork.kernel.org/project/linux-renesas-soc/cover/20211207012351.15754-1-prabhakar.mahadev-lad.rj@bp.renesas.com/
Cheers, Prabhakar
Lad Prabhakar (4): media: dt-bindings: Document Renesas RZ/G2L CSI-2 block media: dt-bindings: Document Renesas RZ/G2L CRU block media: platform: Add Renesas RZ/G2L MIPI CSI-2 receiver driver media: platform: Add Renesas RZ/G2L CRU driver
.../bindings/media/renesas,rzg2l-cru.yaml | 157 ++++ .../bindings/media/renesas,rzg2l-csi2.yaml | 140 ++++ drivers/media/platform/renesas/Kconfig | 1 + drivers/media/platform/renesas/Makefile | 1 + .../media/platform/renesas/rzg2l-cru/Kconfig | 34 + .../media/platform/renesas/rzg2l-cru/Makefile | 6 + .../platform/renesas/rzg2l-cru/rzg2l-core.c | 395 +++++++++ .../platform/renesas/rzg2l-cru/rzg2l-cru.h | 152 ++++ .../platform/renesas/rzg2l-cru/rzg2l-csi2.c | 761 ++++++++++++++++++ .../platform/renesas/rzg2l-cru/rzg2l-csi2.h | 46 ++ .../platform/renesas/rzg2l-cru/rzg2l-dma.c | 734 +++++++++++++++++ .../platform/renesas/rzg2l-cru/rzg2l-v4l2.c | 368 +++++++++ 12 files changed, 2795 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-csi2.h create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-dma.c create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-v4l2.c
-- 2.25.1
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