From: Heiko Stuebner <heiko@sntech.de>
To: Jagan Teki <jagan@amarulasolutions.com>
Cc: devicetree <devicetree@vger.kernel.org>,
linux-amarula <linux-amarula@amarulasolutions.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
"open list:ARM/Rockchip SoC..."
<linux-rockchip@lists.infradead.org>,
Rob Herring <robh+dt@kernel.org>,
Suniel Mahesh <sunil@amarulasolutions.com>,
William Wu <william.wu@rock-chips.com>,
Michael Trimarchi <michael@amarulasolutions.com>,
Robin Murphy <robin.murphy@arm.com>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v3] ARM: dts: rockchip: Add usb host0 ohci node for rk3288
Date: Wed, 22 Jul 2020 20:49:25 +0200 [thread overview]
Message-ID: <2630968.GxkqStg1Zh@phil> (raw)
In-Reply-To: <CAMty3ZCxynb3_GTxhf=Nrf=F=SbijqEfDVysCzQ1KXsF_MCjxw@mail.gmail.com>
Am Mittwoch, 22. Juli 2020, 20:46:55 CEST schrieb Jagan Teki:
> Hi Heiko,
>
> On Thu, Jul 23, 2020 at 12:04 AM Heiko Stuebner <heiko@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.
ok, so I'll just drop this paragraph when applying.
>
> [1] https://lkml.org/lkml/2020/7/3/424
>
> Jagan.
>
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next prev parent reply other threads:[~2020-07-22 18:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-20 10:58 [PATCH v3] ARM: dts: rockchip: Add usb host0 ohci node for rk3288 Jagan Teki
2020-07-22 18:34 ` Heiko Stuebner
2020-07-22 18:46 ` Jagan Teki
2020-07-22 18:49 ` Heiko Stuebner [this message]
2020-07-22 19:21 ` Heiko Stuebner
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