diff --git a/configs/Ainol_AW1_defconfig b/configs/Ainol_AW1_defconfig
index ea40631..9a18af8 100644
--- a/configs/Ainol_AW1_defconfig
+++ b/configs/Ainol_AW1_defconfig
@@ -16,4 +16,6 @@
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
 CONFIG_SPL_I2C=y
 CONFIG_SYS_I2C_MVTWSI=y
+CONFIG_SYS_I2C_SLAVE=0x7f
+CONFIG_SYS_I2C_SPEED=400000
 CONFIG_USB_MUSB_HOST=y