diff --git a/drivers/video/rockchip/rk_mipi.h b/drivers/video/rockchip/rk_mipi.h
index d8a7b80..de6ac52 100644
--- a/drivers/video/rockchip/rk_mipi.h
+++ b/drivers/video/rockchip/rk_mipi.h
@@ -8,7 +8,7 @@
 #define __RK_MIPI_H
 
 struct rk_mipi_priv {
-	ulong regs;
+	uintptr_t regs;
 	void *grf;
 	struct udevice *panel;
 	struct mipi_dsi *dsi;