From 1f16e99cd8361b33758205eba587dbe40a82975a Mon Sep 17 00:00:00 2001
From: Chen-Yu Tsai <wenst@chromium.org>
Date: Thu, 2 Jul 2026 16:37:45 +0800
Subject: [PATCH] arm64: dts: mediatek: mt8183-kukui: Add supply for SPI NOR
 flash

The SPI NOR flash is powered from the always on 1.8V power rail through
a load switch that is controlled by the security chip.

Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
 arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
index a8e257b21a88..5ea499f349f6 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
@@ -849,6 +849,8 @@ w25q64dw: flash@0 {
 		compatible = "winbond,w25q64dw", "jedec,spi-nor";
 		reg = <0>;
 		spi-max-frequency = <25000000>;
+		/* Power actually controlled by security chip */
+		vcc-supply = <&pp1800_alw>;
 	};
 };