Re: [PATCH 1/2] ARM: DTS: tegra: Add USB entries for Tegra30
From: Stephen Warren
Date: Wed Jul 31 2013 - 18:14:08 EST
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
Aside from that, this patch looks fine.
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