netdev - [PATCH v2 13/15] arm64: dts: mediatek: mt7981b: Add wifi memory region

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Message-Id: <20251101-openwrt-one-network-v2-13-2a162b9eea91@collabora.com>
Date: Sat, 01 Nov 2025 14:32:58 +0100
From: Sjoerd Simons <sjoerd@...labora.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 Ryder Lee <ryder.lee@...iatek.com>, 
 Jianjun Wang <jianjun.wang@...iatek.com>, 
 Bjorn Helgaas <bhelgaas@...gle.com>, 
 Lorenzo Pieralisi <lpieralisi@...nel.org>, 
 Krzysztof Wilczyński <kwilczynski@...nel.org>, 
 Manivannan Sadhasivam <mani@...nel.org>, 
 Chunfeng Yun <chunfeng.yun@...iatek.com>, Vinod Koul <vkoul@...nel.org>, 
 Kishon Vijay Abraham I <kishon@...nel.org>, Lee Jones <lee@...nel.org>, 
 Andrew Lunn <andrew+netdev@...n.ch>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Lorenzo Bianconi <lorenzo@...nel.org>, Felix Fietkau <nbd@....name>
Cc: kernel@...labora.com, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-mediatek@...ts.infradead.org, linux-pci@...r.kernel.org, 
 linux-phy@...ts.infradead.org, netdev@...r.kernel.org, 
 Daniel Golle <daniel@...rotopia.org>, Bryan Hinton <bryan@...anhinton.com>, 
 Sjoerd Simons <sjoerd@...labora.com>
Subject: [PATCH v2 13/15] arm64: dts: mediatek: mt7981b: Add wifi memory
 region

Add required memory region for the builtin wifi block.

Signed-off-by: Sjoerd Simons <sjoerd@...labora.com>
---
V1 -> V2: Don't set status to in this patch
---
 arch/arm64/boot/dts/mediatek/mt7981b.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
index 065f5a3c8b26a..eb2effb3c1ed2 100644
--- a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
@@ -69,6 +69,11 @@ secmon_reserved: secmon@...00000 {
 			no-map;
 		};

+		wmcpu_emi: wmcpu-reserved@...80000 {
+			reg = <0 0x47c80000 0 0x100000>;
+			no-map;
+		};
+
 		wo_emi0: wo-emi@...80000 {
 			reg = <0 0x47d80000 0 0x40000>;
 			no-map;
@@ -497,6 +502,7 @@ wifi@...00000 {
 			clocks = <&topckgen CLK_TOP_NETSYS_MCU_SEL>,
 				 <&topckgen CLK_TOP_AP2CNN_HOST_SEL>;
 			clock-names = "mcu", "ap2conn";
+			memory-region = <&wmcpu_emi>;
 			resets = <&watchdog MT7986_TOPRGU_CONSYS_SW_RST>;
 			reset-names = "consys";
 			status = "disabled";

-- 
2.51.0