diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c
index 137b58ab230d..d44f1fa47cda 100644
--- a/drivers/pwm/pwm-rockchip.c
+++ b/drivers/pwm/pwm-rockchip.c
@@ -81,7 +81,7 @@ module_param_named(dbg_level, pwm_dbg_level, int, 0644);
 #define PWMCR_MIN_PRESCALE	0x00
 #define PWMCR_MAX_PRESCALE	0x07
 
-#define PWMDCR_MIN_DUTY		0x0001
+#define PWMDCR_MIN_DUTY		0x0000
 #define PWMDCR_MAX_DUTY		0xFFFF
 
 #define PWMPCR_MIN_PERIOD		0x0001