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Subject[Patch V9 6/8] arm64: tegra: Enable xudc on Jetson TX1
Date
Enable XUSB device mode driver for USB0 slot on Jetson TX1.

Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-by: JC Kuo <jckuo@nvidia.com>
---
arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi | 31 +++++++++++++++++++++++++-
1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
index a7dc319..c1e106e 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
@@ -1362,7 +1362,7 @@
status = "okay";

lanes {
- usb2-0 {
+ micro_b: usb2-0 {
nvidia,function = "xusb";
status = "okay";
};
@@ -1483,6 +1483,21 @@
vmmc-supply = <&vdd_3v3_sd>;
};

+ usb@700d0000 {
+ status = "okay";
+ phys = <&micro_b>;
+ phy-names = "usb2";
+ avddio-usb-supply = <&vdd_3v3_sys>;
+ hvdd-usb-supply = <&vdd_1v8>;
+ usb-role-switch;
+
+ port {
+ usb_role_switch: endpoint {
+ remote-endpoint = <&usb_b_conn_ep>;
+ };
+ };
+ };
+
regulators {
compatible = "simple-bus";
#address-cells = <1>;
@@ -1641,4 +1656,18 @@
linux,code = <KEY_VOLUMEUP>;
};
};
+
+ usb_type_b: connector {
+ compatible = "linux,usb-b-connector", "gpio-usb-b-connector";
+ label = "micro-USB";
+ type = "micro";
+ vbus-gpio = <&gpio TEGRA_GPIO(Z, 0) GPIO_ACTIVE_LOW>;
+
+ port {
+ usb_b_conn_ep: endpoint {
+ remote-endpoint = <&usb_role_switch>;
+ };
+ };
+ };
+
};
--
2.7.4
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