diff --git a/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi b/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi
index 90cbbc18a483..c7d977ff4e62 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi
@@ -40,6 +40,14 @@
 		interrupts-extended = <&pio 117 IRQ_TYPE_LEVEL_LOW>;
 		reg = <0x2c>;
 		hid-descr-addr = <0x0020>;
+		/*
+		 * The trackpad needs a post-power-on delay of 100ms,
+		 * but at time of writing, the power supply for it on
+		 * this board is always on. The delay is therefore not
+		 * added to avoid impacting the readiness of the
+		 * trackpad.
+		 */
+		vdd-supply = <&mt6397_vgp6_reg>;
 		wakeup-source;
 	};
 };