USB 3.1 (3.2) support in U-Boot?

[Chunfeng Yun]

On Mon, 2021-04-26 at 20:22 +0800, Bin Meng wrote:
> Hi Stefan,
> 
> On Mon, Apr 26, 2021 at 6:21 PM Stefan Roese <sr at denx.de> wrote:
> >
> > Hi All,
> >
> > does anyone know of the USB 3.1 support status in mainline U-Boot? I've
> > only seen these related patches:
> >
> > commit d92e866f6008fdd6483735c6fd1ed95c8fdc87b1
> > Author: Chunfeng Yun <chunfeng.yun at mediatek.com>
> > Date:   Wed Oct 14 15:08:28 2020 +0800
> >
> >      usb: common: add define of usb_speed_string()
> >
> >      There is only declaration of usb_speed_string(), but no definition,
> >      so add it to avoid build error when call it.
> >
> >      Signed-off-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
> >      Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
> >
> > commit a4de6e380fd1078c3f06210a0be0f3f8a69062dc
> > Author: Chunfeng Yun <chunfeng.yun at mediatek.com>
> > Date:   Wed Oct 14 15:08:27 2020 +0800
> >
> >      usb: add USB_SPEED_SUPER_PLUS
> >
> >      Add enum USB_SPEED_SUPER_PLUS for USB3.1
> >
> >      Signed-off-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
> >      Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
> >
> >
> > With no real functional changes. So has anyone already successfully
> > tested an USB 3.1 controller in recent U-Boot?
> 
> I have not tested USB 3.1/3.2 in U-Boot. Maybe Chunfeng did.

I only tested USB 3.2 GEN1 (5G), didn't test USB3.2 GEN2, added this
enum just for building pass

> 
> Regards,
> Bin