Blackfin: pwm: implement linux/pwm.h API
For now, this only supports gptimers. Support for dedicated PWM devices
as found on newer parts to come.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index d619b17..c747629 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -953,6 +953,16 @@
To compile this driver as a module, choose M here: the module
will be called gptimers.
+config HAVE_PWM
+ tristate "Enable PWM API support"
+ depends on BFIN_GPTIMERS
+ help
+ Enable support for the Pulse Width Modulation framework (as
+ found in linux/pwm.h).
+
+ To compile this driver as a module, choose M here: the module
+ will be called pwm.
+
choice
prompt "Uncached DMA region"
default DMA_UNCACHED_1M