netdev - [PATCH v2 14/15] arm64: dts: mediatek: mt7981b-openwrt-one: Enable wifi

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Message-Id: <20251101-openwrt-one-network-v2-14-2a162b9eea91@collabora.com>
Date: Sat, 01 Nov 2025 14:32:59 +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 14/15] arm64: dts: mediatek: mt7981b-openwrt-one: Enable
 wifi

Enable Dual-band WiFI 6 functionality on the Openwrt One

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Signed-off-by: Sjoerd Simons <sjoerd@...labora.com>
---
V1 -> V2: Update eeprom node label
---
 .../boot/dts/mediatek/mt7981b-openwrt-one.dts      | 24 ++++++++++++++++++++++
 arch/arm64/boot/dts/mediatek/mt7981b.dtsi          |  2 +-
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts b/arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts
index 90edb9f493c6d..b13f16d7816bf 100644
--- a/arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts
@@ -129,6 +129,22 @@ conf-pd {
 			pins = "SPI2_CLK", "SPI2_MOSI", "SPI2_MISO";
 		};
 	};
+
+	wifi_dbdc_pins: wifi-dbdc-pins {
+		mux {
+			function = "eth";
+			groups = "wf0_mode1";
+		};
+
+		conf {
+			pins = "WF_HB1", "WF_HB2", "WF_HB3", "WF_HB4",
+			       "WF_HB0", "WF_HB0_B", "WF_HB5", "WF_HB6",
+			       "WF_HB7", "WF_HB8", "WF_HB9", "WF_HB10",
+			       "WF_TOP_CLK", "WF_TOP_DATA", "WF_XO_REQ",
+			       "WF_CBA_RESETB", "WF_DIG_RESETB";
+			drive-strength = <MTK_DRIVE_4mA>;
+		};
+	};
 };

 &spi2 {
@@ -200,6 +216,14 @@ &usb_phy {
 	status = "okay";
 };

+&wifi {
+	nvmem-cells = <&wifi_factory_calibration>;
+	nvmem-cell-names = "eeprom";
+	pinctrl-names = "dbdc";
+	pinctrl-0 = <&wifi_dbdc_pins>;
+	status = "okay";
+};
+
 &xhci {
 	phys = <&u2port0 PHY_TYPE_USB2>;
 	vusb33-supply = <&reg_3p3v>;
diff --git a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
index eb2effb3c1ed2..17dd13d4c0015 100644
--- a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
@@ -490,7 +490,7 @@ wo_ccif0: syscon@...a5000 {
 			interrupts = <GIC_SPI 211 IRQ_TYPE_LEVEL_HIGH>;
 		};

-		wifi@...00000 {
+		wifi: wifi@...00000 {
 			compatible = "mediatek,mt7981-wmac";
 			reg = <0 0x18000000 0 0x1000000>,
 			      <0 0x10003000 0 0x1000>,

-- 
2.51.0