lkml.org 
[lkml]   [2022]   [Feb]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v10 13/18] phy: sun4i-usb: Allow reset line to be shared
From
Date
On 2/11/22 6:26 AM, Andre Przywara wrote:
> The USB HCIs (and PHYs?) in Allwinner's newer generation SoCs (H616)
> rely on the reset line of USB PHY 2 to be de-asserted, even when only
> one of the other PHYs is actually in use.

Thankfully, so far this appears to be a quirk of H616 only.

> To make those ports work, we include this reset line in the HCIs' resets
> property, which requires this line to be shareable.
>
> Change the call to allocate the reset line to mark it as shared, to
> enable the other ports on those SoCs.
>
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
> Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>

Acked-by: Samuel Holland <samuel@sholland.org>

\
 
 \ /
  Last update: 2022-02-23 04:45    [W:0.194 / U:1.136 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site