[PATCH v6 0/3] pwm: Add pwm driver for Sophgo SG2042

[Chen Wang]

Hi, Uwe,

I just upgraded this patchset and rebased it to the latest v6.13-rc1, 
hope you can merge it in v6.14.

BTW, you just please handle the bindings & driver part, I will handle 
the left DTS part.

Thanks,

Chen

On 2024/12/4 11:15, Chen Wang wrote:
> From: Chen Wang <unicorn_wang at outlook.com>
>
> Add driver for pwm controller of Sophgo SG2042 SoC.
>
> Thanks,
> Chen
>
> ---
>
> Changes in v6:
>    Nothing major changes just rebased onto v6.13-rc1 and retested.
>
> Changes in v5:
>    The patch series is based on v6.12-rc1. You can simply review or test
>    the patches at the link [5].
>
>    Updated driver to add resets property for pwm controller node as per
>    suggestion from Inochi.
>
> Changes in v4:
>    The patch series is based on v6.12-rc1. You can simply review or test
>    the patches at the link [4].
>
>    Updated driver to set property atomic of pwm_chip to true as per suggestion
>    from Sean.
>
> Changes in v3:
>    The patch series is catched up with v6.12-rc1. You can simply review or test
>    the patches at the link [3].
>
>    Add patch #3 for dts part change.
>
> Changes in v2:
>    The patch series is based on v6.11-rc6. You can simply review or test the
>    patches at the link [2].
>
>    Fixed following issues as per comments from Yixun Lan, Krzysztof Kozlowski
>    and Uwe Kleine-König, thanks.
>
>    - Some minor issues in dt-bindings.
>    - driver issues, use macros with name prefix for registers access; add
>      limitations comments; fixed potential calculation overflow problem;
>      add .get_state() callback and other miscellaneous code improvements.
>
> Changes in v1:
>    The patch series is based on v6.11-rc6. You can simply review or test the
>    patches at the link [1].
>
> Link: https://lore.kernel.org/linux-riscv/cover.1725536870.git.unicorn_wang@outlook.com/ [1]
> Link: https://lore.kernel.org/linux-riscv/cover.1725931796.git.unicorn_wang@outlook.com/ [2]
> Link: https://lore.kernel.org/linux-riscv/cover.1728355974.git.unicorn_wang@outlook.com/ [3]
> Link: https://lore.kernel.org/linux-riscv/cover.1729037302.git.unicorn_wang@outlook.com/ [4]
> Link: https://lore.kernel.org/linux-riscv/cover.1729843087.git.unicorn_wang@outlook.com/ [5]
> ---
>
> Chen Wang (3):
>    dt-bindings: pwm: sophgo: add PWM controller for SG2042
>    pwm: sophgo: add driver for Sophgo SG2042 PWM
>    riscv: sophgo: dts: add pwm controller for SG2042 SoC
>
>   .../bindings/pwm/sophgo,sg2042-pwm.yaml       |  58 ++++++
>   arch/riscv/boot/dts/sophgo/sg2042.dtsi        |   9 +
>   drivers/pwm/Kconfig                           |  10 +
>   drivers/pwm/Makefile                          |   1 +
>   drivers/pwm/pwm-sophgo-sg2042.c               | 194 ++++++++++++++++++
>   5 files changed, 272 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/pwm/sophgo,sg2042-pwm.yaml
>   create mode 100644 drivers/pwm/pwm-sophgo-sg2042.c
>
>
> base-commit: 40384c840ea1944d7c5a392e8975ed088ecf0b37