Generic PWM framework requires that the board setup code
register a static mapping that can be used to match PWM
consumers to providers.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: <thierry.reding@avionic-design.de>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>