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

Nagarjuna Kristam
2019-09-05T04:32:16Z

On 04-09-2019 15:17, Chunfeng Yun wrote:
> 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
>
>

Thanks for info, will update accordingly.

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