Re: [PATCH v8 2/2] arm64: dts: qcom: lemans-evk: Enable secondary USB controller in host mode

[Dmitry Baryshkov]

On Mon, Apr 06, 2026 at 04:31:13PM +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.
> 
> Secondary USB Controller
>           ↓
> GL3590 USB Hub (4 ports)
>     |
>     |-- Port 1 → HD3SS3220 Type‑C Port Controller → USB‑C Connector
>     |
>     |-- Port 2 → Mezzanine USB Hub (when mezz attached)
>     |
>     |-- Port 3 → M.2 B‑Key Slot (when mezz attached)
>     |
>     |-- Port 4 → M.2 E‑Key Slot
>                          (Default: BT via UART;
>                           USB only if NFA765 module is installed)
> 
> 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 | 168 ++++++++++++++++++++++++
>  1 file changed, 168 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>


-- 
With best wishes
Dmitry