diff --git a/configs/br4_defconfig b/configs/br4_defconfig
index 5a680a0..272b96e 100644
--- a/configs/br4_defconfig
+++ b/configs/br4_defconfig
@@ -3,6 +3,7 @@
 CONFIG_SYS_PROMPT="br4>"
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_SPI_FLASH=y
 CONFIG_CC_OPTIMIZE_LIBS_FOR_SPEED=y