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pwm: sifive: Add a driver for SiFive SoC PWM

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Adds a PWM driver for PWM chip present in SiFive's HiFive Unleashed SoC.

Signed-off-by: Wesley W. Terpstra <wesley@sifive.com>
[Atish: Various fixes and code cleanup]
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Yash Shah <yash.shah@sifive.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Yash Shah
2019-06-11 11:14:44 +05:30
committed by Thierry Reding
parent daa78cc340
commit 9e37a53eb0
3 changed files with 351 additions and 0 deletions
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11
drivers/pwm/Kconfig
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@@ -400,6 +400,17 @@ config PWM_SAMSUNG
To compile this driver as a module, choose M here: the module
will be called pwm-samsung.
config PWM_SIFIVE
tristate "SiFive PWM support"
depends on OF
depends on COMMON_CLK
depends on RISCV || COMPILE_TEST
help
Generic PWM framework driver for SiFive SoCs.
To compile this driver as a module, choose M here: the module
will be called pwm-sifive.
config PWM_SPEAR
tristate "STMicroelectronics SPEAr PWM support"
depends on PLAT_SPEAR