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authorSimon Glass <sjg@chromium.org>2016-01-22 02:44:55 (GMT)
committerSimon Glass <sjg@chromium.org>2016-01-22 03:42:36 (GMT)
commit0e23fd81a54f92655315a1bc3aec85d1a3dd9ae8 (patch)
treece4e850dc1e300af17409e2e1712ce676954be80 /drivers/pwm/Kconfig
parentfc760cb8c4cc16061079fb45e2e0bad11e5acedc (diff)
downloadu-boot-fsl-qoriq-0e23fd81a54f92655315a1bc3aec85d1a3dd9ae8.tar.xz
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 <sjg@chromium.org>
Diffstat (limited to 'drivers/pwm/Kconfig')
-rw-r--r--drivers/pwm/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
index bd47159..cd8f357 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.