Re: [PATCH v4 4/4] arm64: dts: qcom: lemans-evk: Enable secondary USB controller in host mode

From: Dmitry Baryshkov

Date: Tue Jan 20 2026 - 17:18:32 EST


On Tue, Jan 20, 2026 at 04:03:12PM +0530, Swati Agarwal wrote:
> Enable secondary USB controller in host mode on lemans EVK Platform.
>
> Secondary USB controller is connected to a Genesys Logic USB HUB GL3590
> having 4 ports The ports of hub that are present on lemans EVK standalone
> board are used as follows:-
> 1) port-1 is connected to HD3SS3220 Type-C port controller.
> 2) port-4 is used for the M.2 E key on corekit. Standard core kit uses UART
> for Bluetooth. This port is to be used only if user optionally replaces the
> WiFi card with the NFA765 chip which uses USB for Bluetooth.
>
> Remaining 2 ports will become functional when the interface plus mezzanine
> board is stacked on top of corekit:
>
> 3) port-2 is connected to another hub which is present on the mezz through
> which 4 type-A ports are connected.
> 4) port-3 is used for the M.2 B key for a 5G card when the mezz is
> connected.
>
> Mark the second USB controller as host only capable and add the HD3SS3220
> Type-C port controller along with Type-c connector for controlling vbus
> supply.
>
> Signed-off-by: Swati Agarwal <swati.agarwal@xxxxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/lemans-evk.dts | 209 ++++++++++++++++++++++++
> 1 file changed, 209 insertions(+)
>
> @@ -536,6 +585,32 @@ hd3ss3220_0_out_ep: endpoint {
> };
> };
> };
> +
> + usb-typec@47 {
> + compatible = "ti,hd3ss3220";
> + reg = <0x47>;
> +
> + interrupts-extended = <&pmm8654au_2_gpios 6 IRQ_TYPE_EDGE_FALLING>;
> +
> + id-gpios = <&tlmm 51 GPIO_ACTIVE_HIGH>;
> +
> + pinctrl-0 = <&usb1_id>, <&usb1_intr>;
> + pinctrl-names = "default";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> +
> + hd3ss3220_1_in_ep: endpoint {
> + remote-endpoint = <&usb1_con_ss_ep>;
> + };
> + };

This wasn't tested against bindings. Why?

> + };
> + };
> +
> };
>
> &i2c18 {

--
With best wishes
Dmitry