diff --git a/sys/arm/allwinner/aw_pwm.c b/sys/arm/allwinner/aw_pwm.c
index 731047e43e94..5758d7083648 100644
--- a/sys/arm/allwinner/aw_pwm.c
+++ b/sys/arm/allwinner/aw_pwm.c
@@ -87,8 +87,8 @@ struct aw_pwm_softc {
 	struct resource	*res;
 
 	uint64_t	clk_freq;
-	uint64_t	period;
-	uint64_t	duty;
+	unsigned int	period;
+	unsigned int	duty;
 	uint32_t	flags;
 	bool		enabled;
 };
@@ -191,7 +191,7 @@ aw_pwm_channel_max(device_t dev, int *nchannel)
 }
 
 static int
-aw_pwm_channel_config(device_t dev, int channel, uint64_t period, uint64_t duty)
+aw_pwm_channel_config(device_t dev, int channel, unsigned int period, unsigned int duty)
 {
 	struct aw_pwm_softc *sc;
 	uint64_t period_freq, duty_freq;
@@ -254,7 +254,7 @@ aw_pwm_channel_config(device_t dev, int channel, uint64_t period, uint64_t duty)
 }
 
 static int
-aw_pwm_channel_get_config(device_t dev, int channel, uint64_t *period, uint64_t *duty)
+aw_pwm_channel_get_config(device_t dev, int channel, unsigned int *period, unsigned int *duty)
 {
 	struct aw_pwm_softc *sc;
 
diff --git a/sys/dev/pwm/pwm_if.m b/sys/dev/pwm/pwm_if.m
index 75a22d8067cb..103f4db1fa29 100644
--- a/sys/dev/pwm/pwm_if.m
+++ b/sys/dev/pwm/pwm_if.m
@@ -46,8 +46,8 @@ METHOD device_t get_bus {
 METHOD int channel_config {
 	device_t dev;
 	int channel;
-	uint64_t period;
-	uint64_t duty;
+	unsigned int period;
+	unsigned duty;
 };
 
 #
@@ -57,8 +57,8 @@ METHOD int channel_config {
 METHOD int channel_get_config {
 	device_t dev;
 	int channel;
-	uint64_t *period;
-	uint64_t *duty;
+	unsigned int *period;
+	unsigned int *duty;
 };
 
 #
diff --git a/sys/dev/pwm/pwmbus.c b/sys/dev/pwm/pwmbus.c
index b150497e905d..66f8495d5e83 100644
--- a/sys/dev/pwm/pwmbus.c
+++ b/sys/dev/pwm/pwmbus.c
@@ -138,7 +138,7 @@ pwmbus_detach(device_t dev)
 }
 
 static int
-pwmbus_channel_config(device_t bus, int channel, uint64_t period, uint64_t duty)
+pwmbus_channel_config(device_t bus, int channel, unsigned int period, unsigned int duty)
 {
 	struct pwmbus_softc *sc;
 
@@ -151,7 +151,7 @@ pwmbus_channel_config(device_t bus, int channel, uint64_t period, uint64_t duty)
 }
 
 static int
-pwmbus_channel_get_config(device_t bus, int channel, uint64_t *period, uint64_t *duty)
+pwmbus_channel_get_config(device_t bus, int channel, unsigned int *period, unsigned int *duty)
 {
 	struct pwmbus_softc *sc;
 
diff --git a/sys/dev/pwm/pwmbus_if.m b/sys/dev/pwm/pwmbus_if.m
index 441f6f0d7e80..23ecf237b2de 100644
--- a/sys/dev/pwm/pwmbus_if.m
+++ b/sys/dev/pwm/pwmbus_if.m
@@ -59,8 +59,8 @@ HEADER {
 METHOD int channel_config {
 	device_t bus;
 	int channel;
-	uint64_t period;
-	uint64_t duty;
+	unsigned int period;
+	unsigned int duty;
 };
 
 #
@@ -70,8 +70,8 @@ METHOD int channel_config {
 METHOD int channel_get_config {
 	device_t bus;
 	int channel;
-	uint64_t *period;
-	uint64_t *duty;
+	unsigned int *period;
+	unsigned int *duty;
 };
 
 #
diff --git a/sys/sys/pwm.h b/sys/sys/pwm.h
index 83f5e8191bb5..9940c8cad9e9 100644
--- a/sys/sys/pwm.h
+++ b/sys/sys/pwm.h
@@ -35,8 +35,8 @@
 
 struct pwm_state {
 	int		channel;
-	uint64_t	period;
-	uint64_t	duty;
+	unsigned int	period;
+	unsigned int	duty;
 	uint32_t	flags;
 	bool		enable;
 };
diff --git a/usr.sbin/pwm/pwm.c b/usr.sbin/pwm/pwm.c
index 394840328fa2..ebb4349635fd 100644
--- a/usr.sbin/pwm/pwm.c
+++ b/usr.sbin/pwm/pwm.c
@@ -190,9 +190,9 @@ main(int argc, char *argv[])
 		}
 		break;
 	case PWM_SHOW_CONFIG:
-		printf("period: %ju\nduty: %ju\nenabled:%d\n",
-		    (uintmax_t) state.period,
-		    (uintmax_t) state.duty,
+		printf("period: %u\nduty: %u\nenabled:%d\n",
+		    state.period,
+		    state.duty,
 		    state.enable);
 		break;
 	case PWM_PERIOD: