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Subject[PATCH v5 0/2] PWM support for HiFive Unleashed
This patch series adds a PWM driver and DT documentation
for HiFive Unleashed board. The patches are mostly based on
Wesley's patch.

- Correct the order of compatible string properties
- PWM state correction to be done always
- Other minor fixes based upon feedback on v4

- Rename the property sifive,approx-period-ns to sifive,period-ns
- Rename macros with appropriate names
- Remove unused macros
- Rename struct sifive_pwm_device to struct pwm_sifive_ddata
- Rename function prefix as per driver name
- Set deglitch bit before changing output waveform.
- Other minor fixes based upon feedback on v3

- Add a link to the reference manaul
- Use appropriate apis for division operation
- Add check for polarity
- Enable clk before calling clk_get_rate
- Other minor fixes based upon feedback on v2

V2 changed from V1:
- Remove inclusion of dt-bindings/pwm/pwm.h
- Remove artificial alignments
- Replace ioread32/iowrite32 with readl/writel
- Remove camelcase
- Change dev_info to dev_dbg for unnecessary log
- Correct typo in driver name
- Remove use of of_match_ptr macro
- Update the DT compatible strings and Add reference to a common
versioning document

Yash Shah (2):
pwm: sifive: Add DT documentation for SiFive PWM Controller
pwm: sifive: Add a driver for SiFive SoC PWM

.../devicetree/bindings/pwm/pwm-sifive.txt | 33 +++
drivers/pwm/Kconfig | 11 +
drivers/pwm/Makefile | 1 +
drivers/pwm/pwm-sifive.c | 261 +++++++++++++++++++++
4 files changed, 306 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pwm/pwm-sifive.txt
create mode 100644 drivers/pwm/pwm-sifive.c


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