[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20191120082955.3ovsoziurntmv7by@pengutronix.de>
Date: Wed, 20 Nov 2019 09:29:55 +0100
From: Michael Grzeschik <mgr@...gutronix.de>
To: Uwe Kleine-König
<u.kleine-koenig@...gutronix.de>
Cc: shawnguo@...nel.org, robh+dt@...nel.org, mark.rutland@....com,
kernel@...gutronix.de, festevam@...il.com,
devicetree@...r.kernel.org, linux-imx@....com,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] ARM: dts: imx25: fix usbhost1 node
On Fri, Nov 15, 2019 at 09:14:09PM +0100, Uwe Kleine-König wrote:
> Hello Michael,
>
> On Fri, Nov 15, 2019 at 09:34:15AM +0100, Michael Grzeschik wrote:
> > The usb port represented by &usbhost1 uses an USB phy internal to the
> > SoC. We add the phy_type to the base dtsi so the board dts only have to
> > overwrite it if they use a different configuration. While at it we also
> > pin the usbhost port to host mode and limit the speed of the phy to
> > full-speed only, which it is only capable of.
>
> The subject line suggests this is a fix but the commit log and the
> actual change don't support this. Maybe better:
>
> ARM: dts: imx25: consolidate properties of usbhost1 in dtsi file
>
Will send a new series with this suggestion.
> ?
>
> > diff --git a/arch/arm/boot/dts/imx25.dtsi b/arch/arm/boot/dts/imx25.dtsi
> > index 9a097ef014af5..40b95a290bd6b 100644
> > --- a/arch/arm/boot/dts/imx25.dtsi
> > +++ b/arch/arm/boot/dts/imx25.dtsi
> > @@ -570,6 +570,9 @@
> > clock-names = "ipg", "ahb", "per";
> > fsl,usbmisc = <&usbmisc 1>;
> > fsl,usbphy = <&usbphy1>;
> > + maximum-speed = "full-speed";
> > + phy_type = "serial";
> > + dr_mode = "host";
>
> Would it make sense to split this patch in two? One that moves phy_type
> and dr_mode from the dts files using imx25.dtsi (which has no effects on
> the resulting dtb files). And another that adds maximum-speed.
And a second patch including the speed limitation change.
Thanks,
Michael
--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
Download attachment "signature.asc" of type "application/pgp-signature" (834 bytes)
Powered by blists - more mailing lists