[PATCH 7/8] arm: dts: mediatek: add USB nodes for MT7981

Christian Marangi ansuelsmth at gmail.com
Mon Jan 27 14:40:44 CET 2025


From: John Crispin <john at phrozen.org>

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 at phrozen.org>
Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
---
 arch/arm/dts/mt7981.dtsi | 48 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/arch/arm/dts/mt7981.dtsi b/arch/arm/dts/mt7981.dtsi
index b2c4cd7b54a..2360c6bbdca 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 at 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 at 11e10000 {
+		compatible = "mediatek,mt7981",
+			     "mediatek,generic-tphy-v2";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		status = "okay";
+
+		u2port0: usb-phy at 11e10000 {
+			reg = <0x11e10000 0x700>;
+			clocks = <&topckgen CLK_TOP_USB_FRMCNT_SEL>;
+			clock-names = "ref";
+			#phy-cells = <1>;
+			status = "okay";
+		};
+
+		u3port0: usb-phy at 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";
+		};
+	};
 };
-- 
2.47.1



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