diff --git a/target/linux/ppc40x/config-2.6.30 b/target/linux/ppc40x/config-2.6.30
index 62f69fc05..9e1c5a043 100644
--- a/target/linux/ppc40x/config-2.6.30
+++ b/target/linux/ppc40x/config-2.6.30
@@ -62,6 +62,7 @@ CONFIG_GENERIC_NVRAM=y
 CONFIG_GENERIC_TIME_VSYSCALL=y
 # CONFIG_GEN_RTC is not set
 CONFIG_GPIOLIB=y
+CONFIG_GPIO_SYSFS=y
 CONFIG_HAS_DMA=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
diff --git a/target/linux/ppc40x/config-default b/target/linux/ppc40x/config-default
index d64d7838f..9a5029a5d 100644
--- a/target/linux/ppc40x/config-default
+++ b/target/linux/ppc40x/config-default
@@ -54,6 +54,7 @@ CONFIG_GENERIC_NVRAM=y
 CONFIG_GENERIC_TIME_VSYSCALL=y
 # CONFIG_GEN_RTC is not set
 CONFIG_GPIOLIB=y
+CONFIG_GPIO_SYSFS=y
 CONFIG_HAS_DMA=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y