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

Sjoerd Simons
2025-10-16T10:09:29Z

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@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@43000000 {
no-map;
};

+ wmcpu_emi: wmcpu-reserved@47c80000 {
+ reg = <0 0x47c80000 0 0x100000>;
+ no-map;
+ };
+
wo_emi0: wo-emi@47d80000 {
reg = <0 0x47d80000 0 0x40000>;
no-map;
@@ -494,6 +499,8 @@ wifi: wifi@18000000 {
clock-names = "mcu", "ap2conn";
resets = <&watchdog MT7986_TOPRGU_CONSYS_SW_RST>;
reset-names = "consys";
+ memory-region = <&wmcpu_emi>;
+ status = "disabled";
};
};

--
2.51.0