diff --git a/drivers/pwm/rk_pwm.c b/drivers/pwm/rk_pwm.c
index 071eb04..1858d59 100644
--- a/drivers/pwm/rk_pwm.c
+++ b/drivers/pwm/rk_pwm.c
@@ -30,7 +30,7 @@
 };
 
 struct rk_pwm_priv {
-	fdt_addr_t base;
+	uintptr_t base;
 	ulong freq;
 	u32 conf_polarity;
 	const struct rockchip_pwm_data *data;