[PATCH v5 0/2] Add JH7110 MIPI DPHY TX support

[Shengyang Chen]

This patchset adds mipi dphy tx support for the StarFive JH7110 SoC.
It is used to transfer DSI data. The series has been tested on
the VisionFive 2 board.


change since v4:
- Rebased on tag v6.9-rc4.

patch 2:
-Drop shift macro definitions.
-Drop useless member variables of config array.
-Drop stf_dphy_set_reg() and  stf_dphy_get_reg().
-Add readl_poll_timeout_atomic() for delay in stf_dphy_hw_reset().
-Rewrite register configure logic with FIELD_PREP()/FIELD_GET() and writel()/readl().

v4: https://patchwork.kernel.org/project/linux-phy/cover/20240301012406.92589-1-shengyang.chen@xxxxxxxxxxxxxxxx/


change since v3:
- Rebased on tag v6.8-rc6.

patch 2:
- Lower case for hex value.
- Replace bit shifts operation with macro definitions.
- Drop delay in stf_dphy_hw_reset().
- Change variable declarations order in stf_dphy_configure().

v3: https://patchwork.kernel.org/project/linux-phy/cover/20240206061921.107372-1-shengyang.chen@xxxxxxxxxxxxxxxx/


change since v2:
- Rebased on tag v6.8-rc3.

patch 2:
- Drop regulator operation.

v2: https://patchwork.kernel.org/project/linux-phy/cover/20240109071246.24065-1-shengyang.chen@xxxxxxxxxxxxxxxx/


changes since v1:
- Rebased on tag v6.7.

patch 1:
- Drop 'dphy_'prefix.
- Drop DSI reset.
- Drop unnecessary resets.


patch 2:
- Changed the commit message.
- Use dev_err_probe() and PTR_ERR() in probing.
- Drop DSI reset operation.
- Drop unnecessary resets operation.
- Add configs in array for full support of the module
- Changed 'void *io_addr' to 'void __iomem *io_addr'.

v1: https://patchwork.kernel.org/project/linux-phy/cover/20231117130421.79261-1-shengyang.chen@xxxxxxxxxxxxxxxx/

Shengyang Chen (2):
  dt-bindings: phy: Add starfive,jh7110-dphy-tx
  phy: starfive: Add mipi dphy tx support

 .../bindings/phy/starfive,jh7110-dphy-tx.yaml |  68 +++
 MAINTAINERS                                   |   7 +
 drivers/phy/starfive/Kconfig                  |  10 +
 drivers/phy/starfive/Makefile                 |   1 +
 drivers/phy/starfive/phy-jh7110-dphy-tx.c     | 459 ++++++++++++++++++
 5 files changed, 545 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/starfive,jh7110-dphy-tx.yaml
 create mode 100644 drivers/phy/starfive/phy-jh7110-dphy-tx.c

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2.17.1