pwm: Add ZTE ZX PWM device driver
It adds PWM device driver for ZTE ZX family SoCs. The PWM controller
supports 4 devices with polarity configuration.
The driver has been tested with pwm-regulator support to scale core
voltage via cpufreq.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
index 313c107..e981753 100644
--- a/drivers/pwm/Kconfig
+++ b/drivers/pwm/Kconfig
@@ -500,4 +500,13 @@
To compile this driver as a module, choose M here: the module
will be called pwm-vt8500.
+config PWM_ZX
+ tristate "ZTE ZX PWM support"
+ depends on ARCH_ZX
+ help
+ Generic PWM framework driver for ZTE ZX family SoCs.
+
+ To compile this driver as a module, choose M here: the module
+ will be called pwm-zx.
+
endif