From 0e23fd81a54f92655315a1bc3aec85d1a3dd9ae8 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Thu, 21 Jan 2016 19:44:55 -0700 Subject: pwm: rockchip: Add a PWM driver for Rockchip SoCs Add a simple driver which implements the standard PWM uclass interface. Signed-off-by: Simon Glass --- drivers/pwm/Kconfig | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/pwm/Kconfig') diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig index bd47159860..cd8f3570f0 100644 --- a/drivers/pwm/Kconfig +++ b/drivers/pwm/Kconfig @@ -8,3 +8,12 @@ config DM_PWM spends in the 'high' state, the higher the voltage. The PWM's frequency/period can be controlled along with the proportion of that time that the signal is high. + +config PWM_ROCKCHIP + bool "Enable support for the Rockchip PWM" + depends on DM_PWM + help + This PWM is found on RK3288 and other Rockchip SoCs. It supports a + programmable period and duty cycle. A 32-bit counter is used. + Various options provided in the hardware (such as capture mode and + continuous/single-shot) are not supported by the driver. -- cgit v1.2.3