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Message-ID: <20230901155732.252436-1-alain.volmat@foss.st.com>
Date:   Fri, 1 Sep 2023 17:57:19 +0200
From:   Alain Volmat <alain.volmat@...s.st.com>
To:     Hugues Fruchet <hugues.fruchet@...s.st.com>,
        Alain Volmat <alain.volmat@...s.st.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Russell King <linux@...linux.org.uk>,
        Philipp Zabel <p.zabel@...gutronix.de>
CC:     Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Dan Scally <dan.scally@...asonboard.com>,
        <linux-media@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v3 0/5] Add support for DCMIPP camera interface of STMicroelectronics STM32 SoC series

This patchset introduces support for Digital Camera Memory Interface
Pixel Processor (DCMIPP) of STMicroelectronics STM32 SoC series.

This initial support implements a single capture pipe
allowing RGB565, YUV, Y, RAW8 and JPEG capture with
frame skipping, prescaling and cropping.

DCMIPP is exposed through 3 subdevices:
- dcmipp_dump_parallel: parallel interface handling
- dcmipp_dump_postproc: frame skipping, prescaling and cropping control
- dcmipp_dump_capture: video device capture node

v3:
  - Have same To & Cc in all patches emails of the serie so that everybody
    has coherent view of the serie
  - bindings: correct wording, clock-names & label removal
  - driver: replace of_graph call with fwnode_graph
  - driver: use defined bus-type when calling v4l2_fwnode_endpoint_parse
  - driver: remove clock name
  - dtsi: remove clock-names property

v2:
  - removal of pclk-max-frequency from yaml example dts
  - codying-style fixes
  - correction in enum functions (format, mbus, frame_size ...) handling
  - drop of v4l2_pipeline_pm_ calls, and specific open/close handler of
    vdev
  - video dev s_stream handling updated to call s_stream of remote subdev
    instead of loop until sensor subdev
  - code update following media_pipeline & v4l2_async_ api changes since v1
  - removal of IP reset call upon error
  - removal of link_validate handlers
  - addition of V4L2_CAP_IO_MC device_caps
  - removal of the frame skip control for the time being, will be added
    back in another commit once control method will be agreed
  - change byteproc entity type to MEDIA_ENT_F_PROC_VIDEO_SCALER
  - various fixes from Dan & Sakari remarks

Alain Volmat (2):
  dt-bindings: media: add bindings for stm32 dcmipp
  media: MAINTAINERS: add entry for STM32 DCMIPP driver

Hugues Fruchet (3):
  media: stm32-dcmipp: STM32 DCMIPP camera interface driver
  ARM: dts: stm32: add dcmipp support to stm32mp135
  ARM: multi_v7_defconfig: enable STM32 DCMIPP media support

 .../bindings/media/st,stm32-dcmipp.yaml       |   89 ++
 MAINTAINERS                                   |    9 +
 arch/arm/boot/dts/st/stm32mp135.dtsi          |    8 +
 arch/arm/configs/multi_v7_defconfig           |    1 +
 drivers/media/platform/st/stm32/Kconfig       |   15 +
 drivers/media/platform/st/stm32/Makefile      |    1 +
 .../platform/st/stm32/stm32-dcmipp/Makefile   |    5 +
 .../st/stm32/stm32-dcmipp/dcmipp-bytecap.c    | 1040 +++++++++++++++++
 .../st/stm32/stm32-dcmipp/dcmipp-byteproc.c   |  692 +++++++++++
 .../st/stm32/stm32-dcmipp/dcmipp-common.c     |  105 ++
 .../st/stm32/stm32-dcmipp/dcmipp-common.h     |  227 ++++
 .../st/stm32/stm32-dcmipp/dcmipp-core.c       |  675 +++++++++++
 .../st/stm32/stm32-dcmipp/dcmipp-parallel.c   |  523 +++++++++
 13 files changed, 3390 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/st,stm32-dcmipp.yaml
 create mode 100644 drivers/media/platform/st/stm32/stm32-dcmipp/Makefile
 create mode 100644 drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-bytecap.c
 create mode 100644 drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-byteproc.c
 create mode 100644 drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-common.c
 create mode 100644 drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-common.h
 create mode 100644 drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-core.c
 create mode 100644 drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-parallel.c

-- 
2.25.1

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