[PATCH 13/15] arm64: dts: mediatek: mt7981b: Add wifi memory region

Sjoerd Simons sjoerd at collabora.com
Thu Oct 16 03:08:49 PDT 2025


Add required memory region for the builtin wifi block. Disable the block
by default as it won't function properly without at least pin muxing.

Signed-off-by: Sjoerd Simons <sjoerd at collabora.com>
---
 arch/arm64/boot/dts/mediatek/mt7981b.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
index c85fa0ddf2da8..fbccb63227e89 100644
--- a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
@@ -69,6 +69,11 @@ secmon_reserved: secmon at 43000000 {
 			no-map;
 		};
 
+		wmcpu_emi: wmcpu-reserved at 47c80000 {
+			reg = <0 0x47c80000 0 0x100000>;
+			no-map;
+		};
+
 		wo_emi0: wo-emi at 47d80000 {
 			reg = <0 0x47d80000 0 0x40000>;
 			no-map;
@@ -494,6 +499,8 @@ wifi: wifi at 18000000 {
 			clock-names = "mcu", "ap2conn";
 			resets = <&watchdog MT7986_TOPRGU_CONSYS_SW_RST>;
 			reset-names = "consys";
+			memory-region = <&wmcpu_emi>;
+			status = "disabled";
 		};
 	};
 

-- 
2.51.0




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