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From:   Nagarjuna Kristam <nkristam@nvidia.com>
To:     <balbi@kernel.org>, <gregkh@linuxfoundation.org>,
        <thierry.reding@gmail.com>, <jonathanh@nvidia.com>,
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CC:     <devicetree@vger.kernel.org>, <linux-tegra@vger.kernel.org>,
        <linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        Nagarjuna Kristam <nkristam@nvidia.com>
Subject: [Patch V11 09/11] arm64: tegra: Enable xudc on Jetson TX2
Date:   Fri, 18 Oct 2019 15:08:14 +0530
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Enable XUSB device mode driver for USB0 slot on Jetson TX2.

Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
---
 arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts | 29 +++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
index 2e61957..b55de35 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
@@ -131,7 +131,7 @@
 				status = "okay";
 
 				lanes {
-					usb2-0 {
+					micro_b: usb2-0 {
 						nvidia,function = "xusb";
 						status = "okay";
 					};
@@ -201,6 +201,20 @@
 		phy-names = "usb2-0", "usb2-1", "usb3-0";
 	};
 
+	usb@3550000 {
+		status = "okay";
+
+		phys = <&micro_b>;
+		phy-names = "usb2";
+		usb-role-switch;
+
+		port {
+			usb_role_switch: endpoint {
+				remote-endpoint = <&usb_b_conn_ep>;
+			};
+		};
+	};
+
 	i2c@c250000 {
 		/* carrier board ID EEPROM */
 		eeprom@57 {
@@ -367,4 +381,17 @@
 			vin-supply = <&vdd_5v0_sys>;
 		};
 	};
+
+	usb_type_b: connector {
+		compatible = "usb-b-connector", "gpio-usb-b-connector";
+		label = "micro-USB";
+		type = "micro";
+		vbus-gpio = <&gpio TEGRA186_MAIN_GPIO(X, 7) GPIO_ACTIVE_LOW>;
+
+		port {
+			usb_b_conn_ep: endpoint {
+				remote-endpoint = <&usb_role_switch>;
+			};
+		};
+	};
 };
-- 
2.7.4