diff --git a/arch/arm/boot/dts/rk3288-evb-rk818.dts b/arch/arm/boot/dts/rk3288-evb-rk818.dts
index 0ac1fe591dec..12e54c22f041 100644
--- a/arch/arm/boot/dts/rk3288-evb-rk818.dts
+++ b/arch/arm/boot/dts/rk3288-evb-rk818.dts
@@ -330,6 +330,7 @@
 &tsadc {
 	rockchip,hw-tshut-mode = <0>; /* tshut mode 0:CRU 1:GPIO */
 	rockchip,hw-tshut-polarity = <1>; /* tshut polarity 0:LOW 1:HIGH */
+	pinctrl-1 = <&otp_gpio>;
 };
 
 &pinctrl {