[PATCH] usb: onboard-hub: Add support for CoreChips SL6341

[Alexey Charkov]

On Tue, May 12, 2026 at 1:41 PM Alexey Charkov <alchark at flipper.net> wrote:
>
> CoreChips SL6341 is a 4-port USB 2.0 and 3.0 hub controller. It always
> requires external 1v1 power and can optionally use external 3v3 power
> (or alternatively it has a 5v->3v3 LDO built in to derive 3v3 power from
> VBUS). It also exposes a reset pin.
>
> Device tree bindings are queued up for upstream release with Linux 7.1
>
> Link: https://github.com/torvalds/linux/blob/master/Documentation/devicetree/bindings/usb/corechips%2Csl6341.yaml
> Signed-off-by: Alexey Charkov <alchark at flipper.net>
> ---
>  common/usb_onboard_hub.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
>
> diff --git a/common/usb_onboard_hub.c b/common/usb_onboard_hub.c
> index 6fc34489a98f..d15d7bbff87d 100644
> --- a/common/usb_onboard_hub.c
> +++ b/common/usb_onboard_hub.c
> @@ -262,6 +262,12 @@ static int usb_onboard_hub_remove(struct udevice *dev)
>         return ret;
>  }
>
> +static const struct onboard_hub_data corechips_sl6341_data = {
> +       .reset_us = 10000,
> +       .num_supplies = 2,
> +       .supply_names = { "vdd1v1-supply", "vdd3v3-supply" },
> +};
> +
>  static const struct onboard_hub_data usb2514_data = {
>         .power_on_delay_us = 500,
>         .reset_us = 1,
> @@ -299,6 +305,12 @@ static const struct udevice_id usb_onboard_hub_ids[] = {
>         }, {
>                 .compatible = "usb4b4,6506",    /* Cypress HX3 USB 2.0 */
>                 .data = (ulong)&usbhx3_data,
> +       }, {
> +               .compatible = "usb3431,6241",   /* Corechips SL6341 USB 2.0 */
> +               .data = (ulong)&corechips_sl6341_data,
> +       }, {
> +               .compatible = "usb3431,6341",   /* Corechips SL6341 USB 2.0 */

Oopsies, the latter one was meant to say "USB 3.0". Happy to amend and
send a v2 (will wait some time for feedback first).

Best regards,
Alexey