[PATCH 3/4] arm64: dts: mediatek: mt8183: disable quad mode for spi nor

Hsin-Yi Wang hsinyi at chromium.org
Tue Aug 15 08:31:54 PDT 2023


Some of the SKUs are using gigadevice gd25lq64c flash chip. The chip
default enables quad mode, which results in the write protect pin set to
IO pin. In mt8183 kukui, we won't use quad enable for all SKUs, so apply
the property to disable spi nor's quad mode.

Signed-off-by: Hsin-Yi Wang <hsinyi at chromium.org>
---
 arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
index 6ce16a265e053..8e4761e2b8ff4 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
@@ -877,6 +877,7 @@ w25q64dw: flash at 0 {
 		compatible = "winbond,w25q64dw", "jedec,spi-nor";
 		reg = <0>;
 		spi-max-frequency = <25000000>;
+		disable-quad-mode;
 	};
 };
 
-- 
2.41.0.694.ge786442a9b-goog




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