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
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2.34.1