[PATCH v3 0/3] pwm: Add pwm driver for Sophgo SG2042

From: Chen Wang
Date: Mon Oct 07 2024 - 23:03:42 EST


From: Chen Wang <unicorn_wang@xxxxxxxxxxx>

Add driver for pwm controller of Sophgo SG2042 SoC.

Thanks,
Chen

---

Changes in v3:
The patch series is based on v6.12-rc1.

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@xxxxxxxxxxx/ [1]
Link: https://lore.kernel.org/linux-riscv/cover.1725931796.git.unicorn_wang@xxxxxxxxxxx/ [2]
---

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 | 180 ++++++++++++++++++
5 files changed, 250 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pwm/sophgo,sg2042-pwm.yaml
create mode 100644 drivers/pwm/pwm-sophgo-sg2042.c


base-commit: 9852d85ec9d492ebef56dc5f229416c925758edc
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2.34.1