diff --git a/arch/arm/configs/rockchip_linux_defconfig b/arch/arm/configs/rockchip_linux_defconfig
index 8fb7333fcddf..467a67f5e1e9 100644
--- a/arch/arm/configs/rockchip_linux_defconfig
+++ b/arch/arm/configs/rockchip_linux_defconfig
@@ -199,6 +199,7 @@ CONFIG_MWIFIEX_SDIO=y
 # CONFIG_INPUT_MOUSEDEV is not set
 CONFIG_INPUT_JOYDEV=y
 CONFIG_INPUT_EVDEV=y
+CONFIG_KEYBOARD_ADC=y
 CONFIG_KEYBOARD_GPIO=y
 CONFIG_KEYBOARD_GPIO_POLLED=y
 CONFIG_KEYBOARD_CROS_EC=y