[PATCH 2/3] arm: dts: mediatek: add USB/PHY nodes for Genio 520/720

David Lechner dlechner at baylibre.com
Wed Apr 1 23:53:46 CEST 2026


Add USB and PHY nodes for USB support on Genio 520/720 EVKs.

The devicetree hasn't been accepted upstream yet, so this comes from the
latest submission [1]. Some power domain and reset references have been
left out to minimize what we need to add at this time since U-Boot
doesn't need them.

Link: https://lore.kernel.org/linux-mediatek/20251111070031.305281-10-jh.hsu@mediatek.com/ [1]
Signed-off-by: David Lechner <dlechner at baylibre.com>
---
 arch/arm/dts/mt8189.dtsi              | 210 ++++++++++++++++++++++++++++++++++
 arch/arm/dts/mt8371-genio-common.dtsi |  70 ++++++++++++
 2 files changed, 280 insertions(+)

diff --git a/arch/arm/dts/mt8189.dtsi b/arch/arm/dts/mt8189.dtsi
index e9fd21ea095..e550745ac5d 100644
--- a/arch/arm/dts/mt8189.dtsi
+++ b/arch/arm/dts/mt8189.dtsi
@@ -7,6 +7,7 @@
 #include <dt-bindings/clock/mediatek,mt8189-clk.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/phy/phy.h>
 #include <dt-bindings/reset/ti-syscon.h>
 
 / {
@@ -180,6 +181,79 @@
 			status = "disabled";
 		};
 
+		xhci0: usb at 11200000 {
+			compatible = "mediatek,mt8189-xhci", "mediatek,mtk-xhci";
+			reg = <0 0x11200000 0 0x1000>,
+			      <0 0x11203e00 0 0x0100>;
+			reg-names = "mac", "ippc";
+			interrupts-extended = <&gic GIC_SPI 385 IRQ_TYPE_LEVEL_HIGH 0>,
+					      <&pio 207 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "host","wakeup";
+			phys = <&u2port0 PHY_TYPE_USB2>,
+			       <&u3port0 PHY_TYPE_USB3>;
+			clocks = <&pericfg_ao_clk CLK_PERAO_SSUSB0_SYS>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB0_REF>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB0_H>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB0_F>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB0_XHCI>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB0_FRMCNT>;
+			clock-names = "sys_ck", "ref_ck", "mcu_ck",
+				      "dma_ck", "xhci_ck", "frmcnt_ck";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			wakeup-source;
+			mediatek,syscon-wakeup = <&pericfg_ao_clk 0x214 110>;
+			status = "disabled";
+		};
+
+		xhci1: usb at 11210000 {
+			compatible = "mediatek,mt8189-xhci", "mediatek,mtk-xhci";
+			reg = <0 0x11210000 0 0x1000>,
+			      <0 0x11213e00 0 0x0100>;
+			reg-names = "mac", "ippc";
+			interrupts-extended = <&gic GIC_SPI 386 IRQ_TYPE_LEVEL_HIGH 0>,
+					      <&pio 203 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "host","wakeup";
+			phys = <&u2port1 PHY_TYPE_USB2>;
+			clocks = <&pericfg_ao_clk CLK_PERAO_SSUSB1_SYS>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB1_REF>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB1_H>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB1_F>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB1_XHCI>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB1_FRMCNT>;
+			clock-names = "sys_ck", "ref_ck","mcu_ck",
+				      "dma_ck", "xhci_ck", "frmcnt_ck";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			wakeup-source;
+			mediatek,syscon-wakeup = <&pericfg_ao_clk 0x21c 110>;
+			status = "disabled";
+		};
+
+		xhci2: usb at 11220000 {
+			compatible = "mediatek,mt8189-xhci", "mediatek,mtk-xhci";
+			reg = <0 0x11220000 0 0x1000>,
+			      <0 0x11223e00 0 0x0100>;
+			reg-names = "mac", "ippc";
+			interrupts-extended = <&gic GIC_SPI 472 IRQ_TYPE_LEVEL_HIGH 0>,
+					      <&pio 193 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "host","wakeup";
+			phys = <&u2port2 PHY_TYPE_USB2>;
+			clocks = <&pericfg_ao_clk CLK_PERAO_SSUSB2_SYS>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB2_REF>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB2_H>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB2_F>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB2_XHCI>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB2_FRMCNT>;
+			clock-names = "sys_ck", "ref_ck","mcu_ck",
+				      "dma_ck", "xhci_ck", "frmcnt_ck";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			wakeup-source;
+			mediatek,syscon-wakeup = <&pericfg_ao_clk 0x27c 110>;
+			status = "disabled";
+		};
+
 		mmc0: mmc at 11230000 {
 			compatible = "mediatek,mt8189-mmc";
 			reg = <0 0x11230000 0 0x10000>,
@@ -204,6 +278,55 @@
 			status = "disabled";
 		};
 
+		xhci3: usb at 11260000 {
+			compatible = "mediatek,mt8189-xhci", "mediatek,mtk-xhci";
+			reg = <0 0x11260000 0 0x2e00>,
+			      <0 0x11263e00 0 0x0100>;
+			reg-names = "mac", "ippc";
+			interrupts-extended = <&gic GIC_SPI 473 IRQ_TYPE_LEVEL_HIGH 0>,
+					      <&pio 188 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "host","wakeup";
+			phys = <&u2port3 PHY_TYPE_USB2>,
+			       <&u3port3 PHY_TYPE_USB3>;
+			clocks = <&pericfg_ao_clk CLK_PERAO_SSUSB3_SYS>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB3_REF>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB3_H>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB3_F>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB3_XHCI>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB3_FRMCNT>;
+			clock-names = "sys_ck", "ref_ck", "mcu_ck",
+				      "dma_ck", "xhci_ck", "frmcnt_ck";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			wakeup-source;
+			mediatek,syscon-wakeup = <&pericfg_ao_clk 0x284 110>;
+			status = "disabled";
+		};
+
+		xhci4: usb at 11270000 {
+			compatible = "mediatek,mt8189-xhci", "mediatek,mtk-xhci";
+			reg = <0 0x11270000 0 0x1000>,
+			      <0 0x11273e00 0 0x0100>;
+			reg-names = "mac", "ippc";
+			interrupts-extended = <&gic GIC_SPI 474 IRQ_TYPE_LEVEL_HIGH 0>,
+					      <&pio 184 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "host","wakeup";
+			phys = <&u2port4 PHY_TYPE_USB2>;
+			clocks = <&pericfg_ao_clk CLK_PERAO_SSUSB4_SYS>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB4_REF>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB4_H>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB4_F>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB4_XHCI>,
+				 <&pericfg_ao_clk CLK_PERAO_SSUSB4_FRMCNT>;
+			clock-names = "sys_ck", "ref_ck", "mcu_ck",
+				      "dma_ck", "xhci_ck", "frmcnt_ck";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			wakeup-source;
+			mediatek,syscon-wakeup = <&pericfg_ao_clk 0x28c 110>;
+			status = "disabled";
+		};
+
 		clock-controller at 1000c000 {
 			compatible = "mediatek,mt8189-apmixedsys", "syscon";
 			reg = <0 0x1000c000 0 0x1000>;
@@ -359,6 +482,93 @@
 			status = "disabled";
 		};
 
+		u3phy3: t-phy at 11b00000 {
+			compatible = "mediatek,mt8189-tphy",
+				     "mediatek,generic-tphy-v2";
+			reg = <0 0x11b00000 0 0x700>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+
+			u2port3: usb-phy at 11b00000 {
+				reg = <0 0x11b00000 0 0x700>;
+				clocks = <&topckgen_clk CLK_TOP_USB2_PHY_RF_P3_EN>;
+				clock-names = "ref";
+				#phy-cells = <1>;
+			};
+
+			u3port3: usb-phy at 11b00700 {
+				reg = <0 0x11b00700 0 0x700>;
+				clocks = <&topckgen_clk CLK_TOP_USB2_PHY_RF_P3_EN>;
+				clock-names = "ref";
+				#phy-cells = <1>;
+			};
+		};
+
+		u2phy4: xs-phy at 11b10000 {
+			compatible = "mediatek,mt8189-xsphy", "mediatek,xsphy";
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+
+			u2port4: usb-phy at 11b10000 {
+				reg = <0 0x11b10000 0 0x700>;
+				clocks = <&topckgen_clk CLK_TOP_USB2_PHY_RF_P4_EN>;
+				clock-names = "ref";
+				#phy-cells = <1>;
+			};
+		};
+
+		u3phy0: xs-phy at 11e80000 {
+			compatible = "mediatek,mt8189-xsphy", "mediatek,xsphy";
+			reg = <0 0x11e83000 0 0x200>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+
+			u2port0: usb-phy at 11e80000 {
+				reg = <0 0x11e80000 0 0x700>;
+				clocks = <&topckgen_clk CLK_TOP_USB2_PHY_RF_P0_EN>;
+				clock-names = "ref";
+				#phy-cells = <1>;
+			};
+
+			u3port0: usb-phy at 11e83000 {
+				reg = <0 0x11e83400 0 0x500>;
+				clocks = <&topckgen_clk CLK_TOP_USB2_PHY_RF_P0_EN>;
+				clock-names = "ref";
+				#phy-cells = <1>;
+			};
+		};
+
+		u2phy1: xs-phy at 11e90000 {
+			compatible = "mediatek,mt8189-xsphy", "mediatek,xsphy";
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+
+			u2port1: usb-phy at 11e90000 {
+				reg = <0 0x11e90000 0 0x700>;
+				clocks = <&topckgen_clk CLK_TOP_USB2_PHY_RF_P1_EN>;
+				clock-names = "ref";
+				#phy-cells = <1>;
+			};
+		};
+
+		u2phy2: xs-phy at 11ef0000 {
+			compatible = "mediatek,mt8189-xsphy", "mediatek,xsphy";
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+
+			u2port2: usb-phy at 11ef0000 {
+				reg = <0 0x11ef0000 0 0x700>;
+				clocks = <&topckgen_clk CLK_TOP_USB2_PHY_RF_P2_EN>;
+				clock-names = "ref";
+				#phy-cells = <1>;
+			};
+		};
+
 		ufscfg_ao_reg_clk: syscon at 112b8000 {
 			compatible = "mediatek,mt8189-ufscfg-ao", "syscon", "simple-mfd";
 			reg = <0 0x112b8000 0 0x1000>;
diff --git a/arch/arm/dts/mt8371-genio-common.dtsi b/arch/arm/dts/mt8371-genio-common.dtsi
index 58322193aef..046e9d57752 100644
--- a/arch/arm/dts/mt8371-genio-common.dtsi
+++ b/arch/arm/dts/mt8371-genio-common.dtsi
@@ -19,6 +19,51 @@
 		stdout-path = "serial0:921600n8";
 	};
 
+	usb_p0_vbus: regulator at 0 {
+		compatible = "regulator-fixed";
+		regulator-name = "p0_vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&pio 82 0>;
+		enable-active-high;
+	};
+
+	usb_p1_vbus: regulator at 1 {
+		compatible = "regulator-fixed";
+		regulator-name = "p1_vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&pio 84 0>;
+		enable-active-high;
+	};
+
+	usb_p2_vbus: regulator at 2 {
+		compatible = "regulator-fixed";
+		regulator-name = "p2_vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&pio 85 0>;
+		enable-active-high;
+	};
+
+	usb_p3_vbus: regulator at 3 {
+		compatible = "regulator-fixed";
+		regulator-name = "p3_vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&pio 86 0>;
+		enable-active-high;
+	};
+
+	usb_p4_vbus: regulator at 4 {
+		compatible = "regulator-fixed";
+		regulator-name = "p4_vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&pio 87 0>;
+		enable-active-high;
+	};
+
 	firmware {
 		optee {
 			compatible = "linaro,optee-tz";
@@ -241,3 +286,28 @@
 &pmic {
 	interrupts-extended = <&pio 194 IRQ_TYPE_LEVEL_HIGH>;
 };
+
+&xhci0{
+	vbus-supply = <&usb_p0_vbus>;
+	status = "okay";
+};
+
+&xhci1{
+	vbus-supply = <&usb_p1_vbus>;
+	status = "okay";
+};
+
+&xhci2{
+	vbus-supply = <&usb_p2_vbus>;
+	status = "okay";
+};
+
+&xhci3{
+	vbus-supply = <&usb_p3_vbus>;
+	status = "okay";
+};
+
+&xhci4{
+	vbus-supply = <&usb_p4_vbus>;
+	status = "okay";
+};

-- 
2.43.0



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