linux-kernel - Re: [PATCH 1/2] ARM: DTS: tegra: Add USB entries for Tegra30

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Date:	Wed, 31 Jul 2013 16:13:59 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Tuomas Tynkkynen <ttynkkynen@...dia.com>
CC:	linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org
Subject: Re: [PATCH 1/2] ARM: DTS: tegra: Add USB entries for Tegra30

On 07/31/2013 11:42 AM, Tuomas Tynkkynen wrote:
> Add device tree entries for the 3 USB controllers and PHYs and
> enable the third controller on Cardhu and Beaver boards.
> 
> Fix VBUS regulator entries on Beaver. The GPIO pins were wrong.

That much is correct.

> Also, a third GPIO is required to power the pullup resistors that drive
> the VBUS voltage switches, so add an regulator entry for that.

That is not true. GMI_AD13 / PH5 / 61 is a signal that pulls up all of
USB1 VBUS, USB3 VBUS, and GMI_AD15, which as far as I can tell is
entirely unrelated to USB in any way.

This part of the change should be removed. I know you mentioned that
downstream does this, but that means very little; there are many
mistakes there.

Aside from that, this patch looks fine.
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