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Date: Tue, 19 Jan 2021 10:23:49 +0800
From: JC Kuo <jckuo@...dia.com>
To: <gregkh@...uxfoundation.org>, <thierry.reding@...il.com>,
<jonathanh@...dia.com>, <robh+dt@...nel.org>
CC: <linux-kernel@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
<devicetree@...r.kernel.org>, <stable@...r.kernel.org>,
JC Kuo <jckuo@...dia.com>
Subject: [PATCH] arm64: tegra: Enable Jetson-Xavier J512 USB host
This commit enables USB host mode at J512 type-C port of Jetson-Xavier.
Signed-off-by: JC Kuo <jckuo@...dia.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/boot/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@...0000 {
vclamp-usb-supply = <&vdd_1v8ao>;
ports {
+ usb2-0 {
+ vbus-supply = <&vdd_5v0_sys>;
+ };
+
usb2-1 {
vbus-supply = <&vdd_5v0_sys>;
};
@@ -105,6 +109,10 @@ usb3-0 {
vbus-supply = <&vdd_5v0_sys>;
};
+ usb3-2 {
+ vbus-supply = <&vdd_5v0_sys>;
+ };
+
usb3-3 {
vbus-supply = <&vdd_5v0_sys>;
};
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/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@...0000 {
pads {
usb2 {
lanes {
+ usb2-0 {
+ status = "okay";
+ };
+
usb2-1 {
status = "okay";
};
@@ -73,6 +77,10 @@ usb3-0 {
status = "okay";
};
+ usb3-2 {
+ status = "okay";
+ };
+
usb3-3 {
status = "okay";
};
@@ -81,6 +89,11 @@ usb3-3 {
};
ports {
+ usb2-0 {
+ mode = "host";
+ status = "okay";
+ };
+
usb2-1 {
mode = "host";
status = "okay";
@@ -96,6 +109,11 @@ usb3-0 {
status = "okay";
};
+ usb3-2 {
+ nvidia,usb2-companion = <0>;
+ status = "okay";
+ };
+
usb3-3 {
nvidia,usb2-companion = <3>;
maximum-speed = "super-speed";
@@ -107,11 +125,13 @@ usb3-3 {
usb@...0000 {
status = "okay";
- phys = <&{/bus@...adctl@...0000/pads/usb2/lanes/usb2-1}>,
+ phys = <&{/bus@...adctl@...0000/pads/usb2/lanes/usb2-0}>,
+ <&{/bus@...adctl@...0000/pads/usb2/lanes/usb2-1}>,
<&{/bus@...adctl@...0000/pads/usb2/lanes/usb2-3}>,
<&{/bus@...adctl@...0000/pads/usb3/lanes/usb3-0}>,
+ <&{/bus@...adctl@...0000/pads/usb3/lanes/usb3-2}>,
<&{/bus@...adctl@...0000/pads/usb3/lanes/usb3-3}>;
- phy-names = "usb2-1", "usb2-3", "usb3-0", "usb3-3";
+ phy-names = "usb2-0", "usb2-1", "usb2-3", "usb3-0", "usb3-2", "usb3-3";
};
pwm@...0000 {
--
2.25.1
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