pwm: Add Aspeed ast2600 PWM support
This patch add the support of PWM controller which can be found at aspeed
ast2600 soc. The pwm supoorts up to 16 channels and it's part function
of multi-function device "pwm-tach controller".
Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Chia-Wei Wang <chiawei_wang@aspeedtech.com>
diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
index 669d3fa..6be612d 100644
--- a/drivers/pwm/Kconfig
+++ b/drivers/pwm/Kconfig
@@ -9,6 +9,14 @@
frequency/period can be controlled along with the proportion of that
time that the signal is high.
+config PWM_ASPEED
+ bool "Enable support for the Aspeed PWM"
+ depends on DM_PWM
+ help
+ This PWM is found on Ast2600 SoCs. It supports a programmable period
+ and duty cycle. It provides 16 channels which can be independently
+ programmed.
+
config PWM_AT91
bool "Enable support for PWM found on AT91 SoC's"
depends on DM_PWM && ARCH_AT91