Re: [PATCH 3/3] arm64: dts: mediatek: enable USB device port for mt8195-demo board

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On 05/01/2023 10:28, Macpaul Lin wrote:
1. Enable USB device port (USB port0).
2. Enable u2 speed for other USB HOST (USB port1/2/3).
3. Configure mt6360 (TYPEC) related pinctrls.

Note: Full dual-role switch capability requires TYPEC MUX driver and dts
update will be send in separate patches.

Signed-off-by: Macpaul Lin <macpaul.lin@xxxxxxxxxxxx>
---
  arch/arm64/boot/dts/mediatek/mt8195-demo.dts | 51 ++++++++++++++++++++
  1 file changed, 51 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8195-demo.dts b/arch/arm64/boot/dts/mediatek/mt8195-demo.dts
index 07a864cb8b54..207bb5f4c58f 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-demo.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8195-demo.dts
@@ -12,6 +12,7 @@
  #include <dt-bindings/input/input.h>
  #include <dt-bindings/pinctrl/mt8195-pinfunc.h>
  #include <dt-bindings/regulator/mediatek,mt6360-regulator.h>
+#include <dt-bindings/usb/pd.h>
/ {
  	model = "MediaTek MT8195 demo board";
@@ -380,6 +381,22 @@
  		};
  	};
+ mt6360_pins: mt6360-pins {
+		pins {
+			pinmux = <PINMUX_GPIO100__FUNC_GPIO100>,
+				 <PINMUX_GPIO101__FUNC_GPIO101>;
+			input-enable;
+			bias-pull-up;
+		};
+	};
+
+	u3_p0_vbus: u3_p0vbusdefault {
+		pins_cmd_dat {
+			pinmux = <PINMUX_GPIO63__FUNC_VBUSVALID>;
+			input-enable;
+		};
+	};
+
  	uart0_pins: uart0-pins {
  		pins {
  			pinmux = <PINMUX_GPIO98__FUNC_UTXD0>,
@@ -393,6 +410,14 @@
  				 <PINMUX_GPIO103__FUNC_URXD1>;
  		};
  	};
+
+	usb_otg_vbus: usb-otg-vbus-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "otg-vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		enable-active-high;
+	};
  };
@@ -412,6 +437,22 @@
  	status = "okay";
  };
+&u3port0 {
+	status = "okay";
+};
+
+&u2port1 {
+	status = "okay";
+};
+
+&u2port2 {
+	status = "okay";
+};
+
+&u2port3 {
+	status = "okay";
+};
+
  &u3phy0 {
  	status = "okay";
  };
@@ -428,6 +469,16 @@
  	status = "okay";
  };
+&ssusb {
+	pinctrl-names = "default";
+	pinctrl-0 = <&u3_p0_vbus>;
+	vusb33-supply = <&mt6359_vusb_ldo_reg>;
+	dr_mode = "otg";
+	mediatek,usb3-drd;

What it that used for?
git grep didn't gave me any hit.

Regards,
Matthias

+	usb-role-switch;
+	status = "okay";
+};
+
  &xhci0 {
  	vusb33-supply = <&mt6359_vusb_ldo_reg>;
  	vbus-supply = <&otg_vbus_regulator>;



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