linux-kernel - Re: [PATCH v4] power_supply: Add driver for TWL4030/TPS65950 BCI charger

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Message-ID: <20100928094122.GA7081@legolas.emea.dhcp.ti.com>
Date:	Tue, 28 Sep 2010 12:41:22 +0300
From:	Felipe Balbi <balbi@...com>
To:	Grazvydas Ignotas <notasas@...il.com>
Cc:	"Balbi, Felipe" <balbi@...com>,
	Anton Vorontsov <cbouatmailru@...il.com>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Chikkature Rajashekar, Madhusudhan" <madhu.cr@...com>
Subject: Re: [PATCH v4] power_supply: Add driver for TWL4030/TPS65950 BCI
 charger

On Tue, Sep 28, 2010 at 04:39:17AM -0500, Grazvydas Ignotas wrote:
>On Tue, Sep 28, 2010 at 12:06 PM, Felipe Balbi <balbi@...com> wrote:
>> On Tue, Sep 28, 2010 at 04:02:48AM -0500, Grazvydas Ignotas wrote:
>>>>
>>>> Charger event is SENT by charger driver when it verifies it's attached
>>>> to a wall charger.
>>>
>>> Isn't that a job for musb/gadget? Detecting D+/D- being shorted by
>>> charger or something like that? I don't think BCI is able to detect
>>> charger.
>>
>> it's part of the charger detection right ? and according to trm, it's on
>> the BCI (actually BCC) role to take care of that :-)
>
>Hm you are probably talking about TWL5031, which has redesigned
>charger block that is named BCC. TWL4030 charger is different, called
>BCI and requires software charger detection from what I see in it's
>TRM.

ok, might be that I got confused. Then it's ok the way it is. So we need
other means to detect the charger :-p

-- 
balbi
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