diff --git a/plat/mediatek/include/mt8188/platform_def.h b/plat/mediatek/include/mt8188/platform_def.h
index 88a9e46..15ea5b6 100644
--- a/plat/mediatek/include/mt8188/platform_def.h
+++ b/plat/mediatek/include/mt8188/platform_def.h
@@ -42,6 +42,14 @@
 #define CIRQ_SPI_START		(96)
 
 /*******************************************************************************
+ * DP related constants
+ ******************************************************************************/
+#define EDP_SEC_BASE		(IO_PHYS + 0x0C504000)
+#define DP_SEC_BASE		(IO_PHYS + 0x0C604000)
+#define EDP_SEC_SIZE		(0x1000)
+#define DP_SEC_SIZE		(0x1000)
+
+/*******************************************************************************
  * System counter frequency related constants
  ******************************************************************************/
 #define SYS_COUNTER_FREQ_IN_HZ	(13000000)
diff --git a/plat/mediatek/include/mtk_sip_def.h b/plat/mediatek/include/mtk_sip_def.h
index b591499..37734ea 100644
--- a/plat/mediatek/include/mtk_sip_def.h
+++ b/plat/mediatek/include/mtk_sip_def.h
@@ -12,6 +12,7 @@
 	_func(MTK_SIP_KERNEL_TIME_SYNC, 0x202) \
 	_func(MTK_SIP_VCORE_CONTROL, 0x506) \
 	_func(MTK_SIP_APUSYS_CONTROL, 0x51E) \
+	_func(MTK_SIP_DP_CONTROL, 0x523) \
 	_func(MTK_SIP_KERNEL_GIC_OP, 0x526)
 
 #define MTK_SIP_SMC_FROM_BL33_TABLE(_func) \