diff --git a/src/ec/ite/include/ec/etwd.h b/src/ec/ite/include/ec/etwd.h
index 12eac7ce4..bfc75616f 100644
--- a/src/ec/ite/include/ec/etwd.h
+++ b/src/ec/ite/include/ec/etwd.h
@@ -7,9 +7,24 @@
 
 volatile uint8_t __xdata __at(0x1F01) ETWCFG;
 volatile uint8_t __xdata __at(0x1F02) ET1PSR;
+#if CONFIG_EC_ITE_IT8587E
+volatile uint8_t __xdata __at(0x1F03) ET1CNTLHR;
+#endif
 volatile uint8_t __xdata __at(0x1F04) ET1CNTLLR;
+volatile uint8_t __xdata __at(0x1F05) ETWCTRL;
 volatile uint8_t __xdata __at(0x1F06) EWDCNTLLR;
 volatile uint8_t __xdata __at(0x1F07) EWDKEYR;
 volatile uint8_t __xdata __at(0x1F09) EWDCNTLHR;
+volatile uint8_t __xdata __at(0x1F0A) ET2PSR;
+volatile uint8_t __xdata __at(0x1F0B) ET2CNTLHR;
+volatile uint8_t __xdata __at(0x1F0C) ET2CNTLLR;
+volatile uint8_t __xdata __at(0x1F0E) ET2CNTLH2R;
+#if CONFIG_EC_ITE_IT5570E || CONFIG_EC_ITE_IT5571E
+volatile uint8_t __xdata __at(0x1F10) ET3PSR;
+volatile uint8_t __xdata __at(0x1F11) ET3CNTLHR;
+volatile uint8_t __xdata __at(0x1F12) ET3CNTLLR;
+volatile uint8_t __xdata __at(0x1F13) ET3CNTLH2R;
+volatile uint8_t __xdata __at(0x1F16) ET4CNTLLR;
+#endif
 
 #endif // _EC_ECWD_H