[PATCH v3 13/13] arm64: dts: mediatek: mt7981b-openwrt-one: Enable wifi

Sjoerd Simons sjoerd at collabora.com
Wed Nov 5 13:18:08 PST 2025


Enable Dual-band WiFI 6 functionality on the Openwrt One

Signed-off-by: Sjoerd Simons <sjoerd at collabora.com>
---
V2 -> V3: replace MTK_DRIVE_4mA with direct value
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 2aea899006453..3de368c73bc81 100644
--- a/arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts
@@ -180,6 +180,22 @@ 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 = <4>;
+		};
+	};
 };
 
 &pwm {
@@ -257,6 +273,14 @@ &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 a7be3670e0059..66d89495bac52 100644
--- a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
@@ -490,7 +490,7 @@ wo_ccif0: syscon at 151a5000 {
 			interrupts = <GIC_SPI 211 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
-		wifi at 18000000 {
+		wifi: wifi at 18000000 {
 			compatible = "mediatek,mt7981-wmac";
 			reg = <0 0x18000000 0 0x1000000>,
 			      <0 0x10003000 0 0x1000>,

-- 
2.51.0




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