[PATCH v4 0/3] pwm: Add pwm driver for Sophgo SG2042

[Chen Wang <unicornxw@gmail.com>]

From: Chen Wang <unicorn_wang@outlook.com>

Add driver for pwm controller of Sophgo SG2042 SoC.

Thanks,
Chen

---

Changes in v4:
  The patch series is based on v6.12-rc1.

  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]
---

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       |  51 +++++
 arch/riscv/boot/dts/sophgo/sg2042.dtsi        |   8 +
 drivers/pwm/Kconfig                           |  10 +
 drivers/pwm/Makefile                          |   1 +
 drivers/pwm/pwm-sophgo-sg2042.c               | 181 ++++++++++++++++++
 5 files changed, 251 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pwm/sophgo,sg2042-pwm.yaml
 create mode 100644 drivers/pwm/pwm-sophgo-sg2042.c


base-commit: 9852d85ec9d492ebef56dc5f229416c925758edc
-- 
2.34.1