diff --git a/arch/arm/boot/dts/am335x-sl50.dts b/arch/arm/boot/dts/am335x-sl50.dts
index fddef183481e..010c99e80424 100644
--- a/arch/arm/boot/dts/am335x-sl50.dts
+++ b/arch/arm/boot/dts/am335x-sl50.dts
@@ -313,6 +313,10 @@ eeprom: eeprom@50 {
 		reg = <0x50>;
 	};
 
+	gpio_exp: mcp23017@20 {
+		compatible = "microchip,mcp23017";
+		reg = <0x20>;
+	};
 
 };