diff --git a/meta-ast2500/recipes-kernel/linux/linux-obmc/defconfig b/meta-ast2500/recipes-kernel/linux/linux-obmc/defconfig
index 6ceb00d..56da196 100644
--- a/meta-ast2500/recipes-kernel/linux/linux-obmc/defconfig
+++ b/meta-ast2500/recipes-kernel/linux/linux-obmc/defconfig
@@ -129,11 +129,12 @@
 CONFIG_SERIAL_8250_SHARE_IRQ=y
 CONFIG_SERIAL_OF_PLATFORM=y
 CONFIG_HW_RANDOM=y
+CONFIG_I2C=y
 CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_ASPEED=y
 CONFIG_I2C_SLAVE=y
 CONFIG_I2C_SLAVE_EEPROM=y
 CONFIG_SPI=y
-CONFIG_GPIO_ASPEED=y
 CONFIG_SENSORS_POWER8_OCC_I2C=y
 CONFIG_PMBUS=y
 CONFIG_SENSORS_ADM1275=y
@@ -165,6 +166,7 @@
 CONFIG_LEDS_TRIGGER_TIMER=y
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 CONFIG_LEDS_TRIGGER_GPIO=y
+CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_DS1307=y
 CONFIG_RTC_DRV_RV3029C2=y
 CONFIG_DMADEVICES=y