diff --git a/src/ec/it5570e/include/ec/gpio.h b/src/ec/it5570e/include/ec/gpio.h
index e9a1605..cf33f77 100644
--- a/src/ec/it5570e/include/ec/gpio.h
+++ b/src/ec/it5570e/include/ec/gpio.h
@@ -40,6 +40,8 @@ volatile uint8_t __xdata __at(0x16FE) GCR15;
 volatile uint8_t __xdata __at(0x16E0) GCR16;
 volatile uint8_t __xdata __at(0x16E1) GCR17;
 volatile uint8_t __xdata __at(0x16E2) GCR18;
+volatile uint8_t __xdata __at(0x16E4) GCR19;
+volatile uint8_t __xdata __at(0x16E5) GCR20;
 
 volatile uint8_t __xdata __at(0x1601) GPDRA;
 volatile uint8_t __xdata __at(0x1602) GPDRB;