[PATCH v3] ARM: dts: rockchip: Add usb host0 ohci node for rk3288

Jagan Teki jagan at amarulasolutions.com
Wed Jul 22 14:46:55 EDT 2020


Hi Heiko,

On Thu, Jul 23, 2020 at 12:04 AM Heiko Stuebner <heiko at sntech.de> wrote:
>
> Hi Jaganm
>
> Am Montag, 20. Juli 2020, 12:58:46 CEST schrieb Jagan Teki:
> > rk3288 and rk3288w have a usb host0 ohci controller.
> >
> > Although rk3288 ohci doesn't actually work on hardware, but
> > rk3288w ohci can work well.
> >
> > So add usb host0 ohci node in rk3288 dtsi and the quirk in
> > ohci platform driver will disable ohci on rk3288.
>
> If I remember the discussion correctly, we expect the board dts
> or the bootloader to enable the ohci, right?
> So that block go away ... just making sure, I don't remember
> untrue stuff ;-)

Our (with Robin) initial discussion [1] is to manage OHCI enablement
in the bootloader but since it requires many checks at bootloader
level we finally rely on board dts to enable it as normal.

[1] https://lkml.org/lkml/2020/7/3/424

Jagan.



More information about the Linux-rockchip mailing list