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author | Simon Glass <sjg@chromium.org> | 2016-01-22 02:44:55 (GMT) |
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committer | Simon Glass <sjg@chromium.org> | 2016-01-22 03:42:36 (GMT) |
commit | 0e23fd81a54f92655315a1bc3aec85d1a3dd9ae8 (patch) | |
tree | ce4e850dc1e300af17409e2e1712ce676954be80 /drivers/pwm/Kconfig | |
parent | fc760cb8c4cc16061079fb45e2e0bad11e5acedc (diff) | |
download | u-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/Kconfig | 9 |
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. |