arm: dts: mediatek: add USB nodes for MT7981

Add USB PHY nodes for MT7981. These are needed for USB support and also
for PCIe support as the u3 PHY can also be used for PHY.

Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
diff --git a/arch/arm/dts/mt7981.dtsi b/arch/arm/dts/mt7981.dtsi
index b2c4cd7..2360c6b 100644
--- a/arch/arm/dts/mt7981.dtsi
+++ b/arch/arm/dts/mt7981.dtsi
@@ -6,6 +6,7 @@
 
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/phy/phy.h>
 #include <dt-bindings/clock/mt7981-clk.h>
 #include <dt-bindings/reset/mt7629-reset.h>
 #include <dt-bindings/pinctrl/mt65xx.h>
@@ -315,4 +316,51 @@
 		status = "disabled";
 	};
 
+	xhci: xhci@11200000 {
+		compatible = "mediatek,mt7981-xhci",
+			     "mediatek,mtk-xhci";
+		reg = <0x11200000 0x2e00>,
+		      <0x11203e00 0x0100>;
+		reg-names = "mac", "ippc";
+		interrupts = <GIC_SPI 173 IRQ_TYPE_LEVEL_HIGH>;
+		phys = <&u2port0 PHY_TYPE_USB2>,
+		       <&u3port0 PHY_TYPE_USB3>;
+		clocks = <&infracfg CLK_INFRA_IUSB_SYS_CK>,
+			 <&infracfg CLK_INFRA_IUSB_CK>,
+			 <&infracfg CLK_INFRA_IUSB_133_CK>,
+			 <&infracfg CLK_INFRA_IUSB_66M_CK>,
+			 <&topckgen CLK_TOP_U2U3_XHCI_SEL>;
+		clock-names = "sys_ck",
+			      "ref_ck",
+			      "mcu_ck",
+			      "dma_ck",
+			      "xhci_ck";
+		mediatek,u3p-dis-msk = <0x1>;
+		status = "okay";
+	};
+
+	usbtphy: usb-phy@11e10000 {
+		compatible = "mediatek,mt7981",
+			     "mediatek,generic-tphy-v2";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		status = "okay";
+
+		u2port0: usb-phy@11e10000 {
+			reg = <0x11e10000 0x700>;
+			clocks = <&topckgen CLK_TOP_USB_FRMCNT_SEL>;
+			clock-names = "ref";
+			#phy-cells = <1>;
+			status = "okay";
+		};
+
+		u3port0: usb-phy@11e10700 {
+			reg = <0x11e10700 0x900>;
+			clocks = <&topckgen CLK_TOP_USB3_PHY_SEL>;
+			clock-names = "ref";
+			#phy-cells = <1>;
+			mediatek,syscon-type = <&topmisc 0x218 0>;
+			status = "okay";
+		};
+	};
 };