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From: Peter Rosin <peda@axentia.se>
To: Yossi Mansharoff <yossim@codeaurora.org>,
	Peter Chen <Peter.Chen@nxp.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"open list:CHIPIDEA USB HIGH SPEED DUAL ROLE CONTROLLER"
	<linux-usb@vger.kernel.org>,
	open list <linux-kernel@vger.kernel.org>
Cc: robh@kernel.org, swboyd@chromium.org, devicetree@vger.kernel.org,
	Stephen Boyd <stephen.boyd@linaro.org>
Subject: Re: [PATCH v2] usb: chipidea: Hook into mux framework to toggle usb switch
Date: Tue, 17 Apr 2018 16:11:26 +0200	[thread overview]
Message-ID: <ec1c44d7-45a8-a27e-5c45-717b87d3b252@axentia.se> (raw)
In-Reply-To: <1523973148-2094-1-git-send-email-yossim@codeaurora.org>

On 2018-04-17 15:52, Yossi Mansharoff wrote:
> On the db410c 96boards platform we have a TC7USB40MU on the board
> to mux the D+/D- lines coming from the controller between a micro
> usb "device" port and a USB hub for "host" roles[1]. During a
> role switch, we need to toggle this mux to forward the D+/D-
> lines to either the port or the hub. Add the necessary code to do
> the role switch in chipidea core via the generic mux framework.
> Board configurations like on db410c are expected to change roles
> via the sysfs API described in
> Documentation/ABI/testing/sysfs-platform-chipidea-usb2.

Ok, so this is v2. Please describe what is different from v1.
I have told you before that this information helps.

> [1] https://github.com/96boards/documentation/raw/master/ConsumerEdition/DragonBoard-410c/HardwareDocs/Schematics_DragonBoard.pdf

This link returns 404 for me.

Cheers,
Peter

  reply	other threads:[~2018-04-17 14:11 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-17 13:52 Yossi Mansharoff
2018-04-17 14:11 ` Peter Rosin [this message]
2018-04-18  5:48   ` yossim
2018-05-14  7:21     ` Peter Rosin
2018-04-20  2:00 ` Peter Chen
2018-04-20  7:30   ` Peter Rosin
2018-04-20  9:22     ` Peter Chen

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