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From:   JC Kuo <jckuo@nvidia.com>
To:     <gregkh@linuxfoundation.org>, <thierry.reding@gmail.com>,
        <jonathanh@nvidia.com>, <robh+dt@kernel.org>
CC:     <linux-kernel@vger.kernel.org>, <linux-tegra@vger.kernel.org>,
        <devicetree@vger.kernel.org>, <stable@vger.kernel.org>,
        JC Kuo <jckuo@nvidia.com>
Subject: [PATCH] arm64: tegra: Enable Jetson-Xavier J512 USB host
Date:   Tue, 19 Jan 2021 10:23:49 +0800
Message-ID: <20210119022349.136453-1-jckuo@nvidia.com>
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This commit enables USB host mode at J512 type-C port of Jetson-Xavier.

Signed-off-by: JC Kuo <jckuo@nvidia.com>
---
 .../arm64/boot/dts/nvidia/tegra194-p2888.dtsi |  8 +++++++
 .../boot/dts/nvidia/tegra194-p2972-0000.dts   | 24 +++++++++++++++++--
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/bo=
ot/dts/nvidia/tegra194-p2888.dtsi
index d71b7a1140fe..7e7b0eb90c80 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
@@ -93,6 +93,10 @@ padctl@3520000 {
 			vclamp-usb-supply =3D <&vdd_1v8ao>;
=20
 			ports {
+				usb2-0 {
+					vbus-supply =3D <&vdd_5v0_sys>;
+				};
+
 				usb2-1 {
 					vbus-supply =3D <&vdd_5v0_sys>;
 				};
@@ -105,6 +109,10 @@ usb3-0 {
 					vbus-supply =3D <&vdd_5v0_sys>;
 				};
=20
+				usb3-2 {
+					vbus-supply =3D <&vdd_5v0_sys>;
+				};
+
 				usb3-3 {
 					vbus-supply =3D <&vdd_5v0_sys>;
 				};
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm6=
4/boot/dts/nvidia/tegra194-p2972-0000.dts
index 54d057beec59..8697927b1fe7 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
@@ -57,6 +57,10 @@ padctl@3520000 {
 			pads {
 				usb2 {
 					lanes {
+						usb2-0 {
+							status =3D "okay";
+						};
+
 						usb2-1 {
 							status =3D "okay";
 						};
@@ -73,6 +77,10 @@ usb3-0 {
 							status =3D "okay";
 						};
=20
+						usb3-2 {
+							status =3D "okay";
+						};
+
 						usb3-3 {
 							status =3D "okay";
 						};
@@ -81,6 +89,11 @@ usb3-3 {
 			};
=20
 			ports {
+				usb2-0 {
+					mode =3D "host";
+					status =3D "okay";
+				};
+
 				usb2-1 {
 					mode =3D "host";
 					status =3D "okay";
@@ -96,6 +109,11 @@ usb3-0 {
 					status =3D "okay";
 				};
=20
+				usb3-2 {
+					nvidia,usb2-companion =3D <0>;
+					status =3D "okay";
+				};
+
 				usb3-3 {
 					nvidia,usb2-companion =3D <3>;
 					maximum-speed =3D "super-speed";
@@ -107,11 +125,13 @@ usb3-3 {
 		usb@3610000 {
 			status =3D "okay";
=20
-			phys =3D	<&{/bus@0/padctl@3520000/pads/usb2/lanes/usb2-1}>,
+			phys =3D	<&{/bus@0/padctl@3520000/pads/usb2/lanes/usb2-0}>,
+				<&{/bus@0/padctl@3520000/pads/usb2/lanes/usb2-1}>,
 				<&{/bus@0/padctl@3520000/pads/usb2/lanes/usb2-3}>,
 				<&{/bus@0/padctl@3520000/pads/usb3/lanes/usb3-0}>,
+				<&{/bus@0/padctl@3520000/pads/usb3/lanes/usb3-2}>,
 				<&{/bus@0/padctl@3520000/pads/usb3/lanes/usb3-3}>;
-			phy-names =3D "usb2-1", "usb2-3", "usb3-0", "usb3-3";
+			phy-names =3D "usb2-0", "usb2-1", "usb2-3", "usb3-0", "usb3-2", "usb3-3=
";
 		};
=20
 		pwm@c340000 {
--=20
2.25.1