pwm: enable pwm-frequrency less than 1K

Signed-off-by: 许盛飞 <xsf@rock-chips.com>

diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c
index d44f1fa47cda1873823c24d840c0beb62d762f7b..a17d0472d11d784219fbcaad4e01950261e877a7 100644 (file)
--- a/drivers/pwm/pwm-rockchip.c
+++ b/drivers/pwm/pwm-rockchip.c
@@ -82,10 +82,10 @@ module_param_named(dbg_level, pwm_dbg_level, int, 0644);
 #define PWMCR_MAX_PRESCALE     0x07
 
 #define PWMDCR_MIN_DUTY                0x0000
-#define PWMDCR_MAX_DUTY                0xFFFF
+#define PWMDCR_MAX_DUTY                0xFFFFFFFF
 
 #define PWMPCR_MIN_PERIOD              0x0001
-#define PWMPCR_MAX_PERIOD              0xFFFF
+#define PWMPCR_MAX_PERIOD              0xFFFFFFFF
 
 /********************************************
  * struct rk_pwm_chip - struct representing pwm chip