diff --git a/include/dt-bindings/suspend/rockchip-rk3506.h b/include/dt-bindings/suspend/rockchip-rk3506.h
index 09d39c83ecab..0bdbcda3cea9 100644
--- a/include/dt-bindings/suspend/rockchip-rk3506.h
+++ b/include/dt-bindings/suspend/rockchip-rk3506.h
@@ -2,7 +2,7 @@
 /*
  * Header providing constants for Rockchip suspend bindings.
  *
- * Copyright (C) 2024, Rockchip Electronics Co., Ltd
+ * Copyright (C) 2024, Rockchip Electronics Co., Ltd.
  */
 
 #ifndef __DT_BINDINGS_RK3506_PM_H__
diff --git a/include/dt-bindings/suspend/rockchip-rk3528.h b/include/dt-bindings/suspend/rockchip-rk3528.h
index 5f16a4682963..1eacc8e84717 100644
--- a/include/dt-bindings/suspend/rockchip-rk3528.h
+++ b/include/dt-bindings/suspend/rockchip-rk3528.h
@@ -2,7 +2,7 @@
 /*
  * Header providing constants for Rockchip suspend bindings.
  *
- * Copyright (C) 2022, Rockchip Electronics Co., Ltd
+ * Copyright (C) 2022, Rockchip Electronics Co., Ltd.
  * Author: XiaoDong.Huang
  */
 
diff --git a/include/dt-bindings/suspend/rockchip-rk3576.h b/include/dt-bindings/suspend/rockchip-rk3576.h
index a7dae0ab9c50..e351254b5d64 100644
--- a/include/dt-bindings/suspend/rockchip-rk3576.h
+++ b/include/dt-bindings/suspend/rockchip-rk3576.h
@@ -2,7 +2,7 @@
 /*
  * Header providing constants for Rockchip suspend bindings.
  *
- * Copyright (C) 2024, Rockchip Electronics Co., Ltd
+ * Copyright (C) 2024, Rockchip Electronics Co., Ltd.
  * Author: XiaoDong.Huang
  */
 
diff --git a/include/dt-bindings/suspend/rockchip-rk3588.h b/include/dt-bindings/suspend/rockchip-rk3588.h
index 936febd57cce..0dd63241c9a6 100644
--- a/include/dt-bindings/suspend/rockchip-rk3588.h
+++ b/include/dt-bindings/suspend/rockchip-rk3588.h
@@ -2,7 +2,7 @@
 /*
  * Header providing constants for Rockchip suspend bindings.
  *
- * Copyright (C) 2022, Rockchip Electronics Co., Ltd
+ * Copyright (C) 2022, Rockchip Electronics Co., Ltd.
  * Author: XiaoDong.Huang
  */