[PATCH v2 0/2] pwm: add PWM driver for atcpit100

[Ben Zong-You Xie]

The ATCPIT100 Programmable Interval Timer (PIT) is a set of compact
multi-function timers, which can be used as pulse width
modulators (PWM) as well as simple timers. ATCPIT100 supports up to 4
PIT channels, and each PIT channel may be a simple timer or PWM, or a
combination of the timer and the PWM.

This patch series includes DT-bindings(1/2) and PWM driver(2/2).

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Changes in v2:
(1/2):
 - change "title" in the yaml file.
 - remove vendor-specific property, and add clocks property.
(2/2):
 - add a description for hardware limitations.
 - instead of statically configuring the clock source in the dtb,
   switch the clock parent depending on the requested setting.
 - have some minor changes according to Uwe's suggestion.
Link to v1: https://lore.kernel.org/linux-pwm/20241028102721.1961289-1-ben717@xxxxxxxxxxxxx/T/#t
 
---
Ben Zong-You Xie (2):
  dt-bindings: pwm: add atcpit100-pwm
  pwm: atcpit100: add Andes PWM driver support

 .../bindings/pwm/andestech,atcpit100-pwm.yaml |  51 +++
 MAINTAINERS                                   |   6 +
 drivers/pwm/Kconfig                           |  17 +
 drivers/pwm/Makefile                          |   1 +
 drivers/pwm/pwm-atcpit100.c                   | 290 ++++++++++++++++++
 5 files changed, 365 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pwm/andestech,atcpit100-pwm.yaml
 create mode 100644 drivers/pwm/pwm-atcpit100.c

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2.34.1