[PATCH] arm64: tegra: Enable Jetson-Xavier J512 USB host

JC Kuo
2021-01-19T02:24:56Z

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/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@3520000 {
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@3520000 {
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@3610000 {
status = "okay";

- phys = <&{/bus@0/padctl@3520000/pads/usb2/lanes/usb2-1}>,
+ phys = <&{/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 = "usb2-1", "usb2-3", "usb3-0", "usb3-3";
+ phy-names = "usb2-0", "usb2-1", "usb2-3", "usb3-0", "usb3-2", "usb3-3";
};

pwm@c340000 {
--
2.25.1