diff --git a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts
index c385b13d4faa2c2bdfaa488386209dfc4c49d020..7f20ea506803c1226d5f1ea9a518f25480cd2933 100644
--- a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts
+++ b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts
@@ -482,6 +482,9 @@
 					interrupt-parent = <&gpio>;
 					interrupts = <TEGRA_GPIO(S, 7) IRQ_TYPE_EDGE_RISING>;
 
+					vdd-supply   = <&vdd_1v8_sys>;
+					vddio-supply = <&vdd_1v8_sys>;
+
 					mount-matrix =	 "0",  "1",  "0",
 							 "1",  "0",  "0",
 							 "0",  "0", "-1";