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Message-ID: <20230331121826.96973-1-jack.zhu@starfivetech.com>
Date:   Fri, 31 Mar 2023 20:18:17 +0800
From:   Jack Zhu <jack.zhu@...rfivetech.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Robert Foss <rfoss@...nel.org>,
        "Todor Tomov" <todor.too@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        "Laurent Pinchart" <laurent.pinchart@...asonboard.com>,
        Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Eugen Hristev <eugen.hristev@...labora.com>
CC:     <linux-media@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <jack.zhu@...rfivetech.com>,
        <changhuang.liang@...rfivetech.com>
Subject: [PATCH v3 0/9] Add Starfive Camera Subsystem driver

Hi,

This patch series adds support for the Starfive Camera Subsystem
found on Starfive JH7110 SoC.

The driver implements V4L2, Media controller and V4L2 subdev interfaces.
Camera sensor using V4L2 subdev interface in the kernel is supported.

The driver is tested on VisionFive V2 board with IMX219 camera sensor.
GStreamer 1.18.5 with v4l2src plugin is supported.

Changes since v2:
- Rebased on v6.3-rc1.
Patch 1:
- Modified spelling errors.
- Added port@0.
- Modified '$ref' of port.
- Added 'ports' to 'required'.
- Dropped 'stfcamss' label in example.
- Added port@0 in example.
- Added MAINTAINERS file.
Patch 2:
- Split this patch into three new patches.
- Modified compatible property.
- Replaced clock names with the existing names.
- Modified 'bus-type' and 'clock-lanes'
- Added port@2 - port@4
- Dropped 'csi2rx' label in example.
Patch 3:
- Updated rst and dot file as three pipelines were deleted.
Patch 4:
- Split this patch into three new patches.
- Dropped .s_power() and .get_fmt().
- Dropped CSI-2 DT support.
- Dropped v4l2_device_register_subdev_nodes().
- Used assigned-clock-rates in DT to set clk value.
- Modified 'compatible' field.
Patch 5:
- Deleted three pipelines. 
- Modified 'stfcamss_clocks'/'stfcamss_resets' struct.
- Dropped stfcamss_find_sensor() function.
- Removed redundant code from stfcamss_of_parse_endpoint_node().
- Modified spelling errors.
- Rewrote stfcamss_reg_media_subdev_node() function.
- Modified stfcamss_subdev_notifier_bound().
- Modified stfcamss_probe() function.
- Dropped stfcamss_suspend() and stfcamss_resume().
- Dropped dev_info() in stfcamss_remove() function.
- Added 'stf_' prefix for enum subdev_type.
- Moved all includes to the top in stf_camss.h file.
- Dropped unused fields in stfcamss struct.
- Replaced Custom logging macros with regular macros.
- Rewrote register read and write functions.
- Used lowercase for all hex constants.
- Used macro to name registers.
- Dropped unused ioctl and stf_isp_ioctl.h file.

  v2: https://lore.kernel.org/all/20230310120553.60586-1-jack.zhu@starfivetech.com/

Changes since v1:
- Deleted starfive,jh7110-mipi-csi2.yaml.
- Converted cdns,csi2rx.txt to cdns,csi2rx.yaml and added ‘resets’
  properties.
- Added ‘cdns,csi2rx.yaml’ in ‘CADENCE MIPI-CSI2 BRIDGES’ entry.
- The following contents were modified in starfive,jh7110-camss.yaml:
  dropped quotes from ’id’ and ‘schema’; dropped ‘|’ for ‘description’;
  corrected the wrong or redundant words: ‘a ISP’, ‘PD ISP’;
  dropped ‘minItems’ for ‘reg’, ‘clocks’, ‘resets’ and ‘interrupts’;
  dropped the '_clk' and 'rst_' prefix about the 'clock-names' and
  'reset-names';
  changed ‘endpoint@1’ to ‘endpoint’; updated examples;
- Updated Subject for some patches.
- Merged patch 6, 7, 8, 9, 10, 11 into one patch.

Jack Zhu (9):
  media: dt-bindings: Add bindings for JH7110 Camera Subsystem
  media: admin-guide: Add starfive_camss.rst for Starfive Camera
    Subsystem
  media: dt-bindings: cadence-csi2rx: Convert to DT schema
  media: dt-bindings: cadence-csi2rx: Add resets property
  media: dt-bindings: cadence-csi2rx: Add starfive compatible
  media: cadence: Add operation on reset
  media: cadence: Add support for external dphy
  media: cadence: Add support for JH7110 SoC
  media: starfive: Add Starfive Camera Subsystem driver

 .../admin-guide/media/starfive_camss.rst      |   57 +
 .../media/starfive_camss_graph.dot            |   16 +
 .../admin-guide/media/v4l-drivers.rst         |    1 +
 .../devicetree/bindings/media/cdns,csi2rx.txt |  100 --
 .../bindings/media/cdns,csi2rx.yaml           |  201 +++
 .../bindings/media/starfive,jh7110-camss.yaml |  159 +++
 MAINTAINERS                                   |   10 +
 drivers/media/platform/Kconfig                |    1 +
 drivers/media/platform/Makefile               |    1 +
 drivers/media/platform/cadence/cdns-csi2rx.c  |   97 +-
 drivers/media/platform/starfive/Kconfig       |   18 +
 drivers/media/platform/starfive/Makefile      |   14 +
 drivers/media/platform/starfive/stf_camss.c   |  477 +++++++
 drivers/media/platform/starfive/stf_camss.h   |  150 +++
 drivers/media/platform/starfive/stf_common.h  |   18 +
 drivers/media/platform/starfive/stf_isp.c     |  737 +++++++++++
 drivers/media/platform/starfive/stf_isp.h     |  999 ++++++++++++++
 .../media/platform/starfive/stf_isp_hw_ops.c  |  715 ++++++++++
 drivers/media/platform/starfive/stf_video.c   |  989 ++++++++++++++
 drivers/media/platform/starfive/stf_video.h   |   89 ++
 drivers/media/platform/starfive/stf_vin.c     | 1151 +++++++++++++++++
 drivers/media/platform/starfive/stf_vin.h     |  174 +++
 .../media/platform/starfive/stf_vin_hw_ops.c  |  211 +++
 23 files changed, 6275 insertions(+), 110 deletions(-)
 create mode 100644 Documentation/admin-guide/media/starfive_camss.rst
 create mode 100644 Documentation/admin-guide/media/starfive_camss_graph.dot
 delete mode 100644 Documentation/devicetree/bindings/media/cdns,csi2rx.txt
 create mode 100644 Documentation/devicetree/bindings/media/cdns,csi2rx.yaml
 create mode 100644 Documentation/devicetree/bindings/media/starfive,jh7110-camss.yaml
 create mode 100644 drivers/media/platform/starfive/Kconfig
 create mode 100644 drivers/media/platform/starfive/Makefile
 create mode 100644 drivers/media/platform/starfive/stf_camss.c
 create mode 100644 drivers/media/platform/starfive/stf_camss.h
 create mode 100644 drivers/media/platform/starfive/stf_common.h
 create mode 100644 drivers/media/platform/starfive/stf_isp.c
 create mode 100644 drivers/media/platform/starfive/stf_isp.h
 create mode 100644 drivers/media/platform/starfive/stf_isp_hw_ops.c
 create mode 100644 drivers/media/platform/starfive/stf_video.c
 create mode 100644 drivers/media/platform/starfive/stf_video.h
 create mode 100644 drivers/media/platform/starfive/stf_vin.c
 create mode 100644 drivers/media/platform/starfive/stf_vin.h
 create mode 100644 drivers/media/platform/starfive/stf_vin_hw_ops.c

-- 
2.34.1

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