Re: [Patch V9 6/8] arm64: tegra: Enable xudc on Jetson TX1

[Chunfeng Yun]

On Fri, 2019-09-13 at 11:37 +0530, Nagarjuna Kristam wrote:
> Enable XUSB device mode driver for USB0 slot on Jetson TX1.
> 
> Signed-off-by: Nagarjuna Kristam <nkris...@nvidia.com>
> Reviewed-by: JC Kuo <jc...@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";
use standard compatible "usb-b-connector" instead of
"linux,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>;
> +                     };
> +             };
> +     };
> +
>  };