From: Mark Brown <broonie@kernel.org>
To: NeilBrown <neilb@suse.com>
Cc: Baolin Wang <baolin.wang@linaro.org>,
NeilBrown <nfbrown@novell.com>, Felipe Balbi <balbi@kernel.org>,
Greg KH <gregkh@linuxfoundation.org>,
Sebastian Reichel <sre@kernel.org>,
Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>,
David Woodhouse <dwmw2@infradead.org>,
robh@kernel.org, Jun Li <jun.li@nxp.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Ruslan Bilovol <ruslan.bilovol@gmail.com>,
Peter Chen <peter.chen@freescale.com>,
Alan Stern <stern@rowland.harvard.edu>,
r.baldyga@samsung.com, grygorii.strashko@ti.com,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
Lee Jones <lee.jones@linaro.org>,
Charles Keepax <ckeepax@opensource.wolfsonmicro.com>,
patches@opensource.wolfsonmicro.com,
Linux PM list <linux-pm@vger.kernel.org>,
USB <linux-usb@vger.kernel.org>,
device-mainlining@lists.linuxfoundation.org,
LKML <linux-kernel@vger.kernel.org>,
"Bird, Timothy" <Tim.Bird@am.sony.com>
Subject: Re: [PATCH v16 0/4] Introduce usb charger framework to deal with the usb gadget power negotation
Date: Fri, 9 Sep 2016 12:07:27 +0100 [thread overview]
Message-ID: <20160909110727.GI27946@sirena.org.uk> (raw)
In-Reply-To: <87y4326l44.fsf@notabene.neil.brown.name>
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On Fri, Sep 09, 2016 at 09:13:31AM +1000, NeilBrown wrote:
> Conceptually, the PHY is separate from the power manager and a solution
> which recognises that will be more universal.
The wm831x driver in the patch series is an example of such hardware -
it is purely a power manager, it has no USB PHY hardware at all. It's a
current limiter intended to sit in line with the USB power lines to
ensure the system doesn't go over the maximum current draw (and also
integrates with the power source selection logic the chip has to pick
the best available power source for the system).
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next prev parent reply other threads:[~2016-09-09 11:08 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-01 7:09 Baolin Wang
2016-08-01 7:09 ` [PATCH v16 1/4] usb: gadget: Introduce the usb charger framework Baolin Wang
2016-08-01 7:09 ` [PATCH v16 2/4] usb: gadget: Support for " Baolin Wang
2016-08-01 7:09 ` [PATCH v16 3/4] usb: gadget: Integrate with the usb gadget supporting for usb charger Baolin Wang
2016-08-01 7:09 ` [PATCH v16 4/4] power: wm831x_power: Support USB charger current limit management Baolin Wang
2016-08-11 3:14 ` [PATCH v16 0/4] Introduce usb charger framework to deal with the usb gadget power negotation Baolin Wang
2016-08-29 9:02 ` Baolin Wang
2016-09-06 5:40 ` NeilBrown
2016-09-06 7:40 ` Felipe Balbi
2016-09-08 6:55 ` Baolin Wang
2016-09-08 7:31 ` NeilBrown
2016-09-08 8:12 ` Baolin Wang
2016-09-08 23:13 ` NeilBrown
2016-09-09 6:46 ` Baolin Wang
2016-09-09 21:19 ` NeilBrown
2016-09-18 9:39 ` Baolin Wang
2016-10-05 7:26 ` Baolin Wang
2016-10-05 7:47 ` Felipe Balbi
2016-10-05 7:57 ` Baolin Wang
2016-10-05 10:44 ` NeilBrown
2016-10-08 3:18 ` Baolin Wang
2016-09-09 11:07 ` Mark Brown [this message]
2016-09-09 21:57 ` NeilBrown
2016-09-12 12:25 ` Mark Brown
2016-09-12 13:27 ` NeilBrown
2016-09-12 15:26 ` Mark Brown
2016-09-13 8:00 ` NeilBrown
2016-09-14 11:16 ` Mark Brown
2016-09-14 14:11 ` NeilBrown
2016-09-14 14:57 ` Mark Brown
2016-09-14 17:50 ` NeilBrown
2016-09-14 18:02 ` Mark Brown
2016-09-15 10:33 ` Pavel Machek
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