diff --git a/plat/rockchip/common/drivers/pmu/pmu_com.h b/plat/rockchip/common/drivers/pmu/pmu_com.h
index a6d3186..45ba061 100644
--- a/plat/rockchip/common/drivers/pmu/pmu_com.h
+++ b/plat/rockchip/common/drivers/pmu/pmu_com.h
@@ -11,6 +11,10 @@
  * this list of conditions and the following disclaimer in the documentation
  * and/or other materials provided with the distribution.
  *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE