Re: [Patch V8 6/8] arm64: tegra: Enable xudc on Jetson TX1

Chunfeng Yun
2019-09-04T09:47:15Z

On Wed, 2019-09-04 at 13:53 +0530, Nagarjuna Kristam wrote:
> 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..6aba1ba 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-conn-gpio", "gpio-usb-b-connector";
please use "gpio-usb-b-connector" and "usb-b-connector", due to
"linux,usb-conn-gpio" is not supported now

> + 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>;
> + };
> + };
> + };
> +
> };