[PATCH v2 02/09] mfd: support 88pm8606 in 860x driver

Haojian Zhuang haojian.zhuang at gmail.com
Thu Jan 7 22:40:50 EST 2010


On Thu, Jan 7, 2010 at 10:39 PM, Haojian Zhuang
<haojian.zhuang at gmail.com> wrote:
> On Thu, Jan 7, 2010 at 2:44 PM, Samuel Ortiz <sameo at linux.intel.com> wrote:
>> Hi Haojian,
>>
>> On Wed, Dec 09, 2009 at 08:11:22AM -0500, Haojian Zhuang wrote:
>>> From c5f9ccd5b1f2ce57b9e10b7e2b6c134fc8116f29 Mon Sep 17 00:00:00 2001
>>> From: Haojian Zhuang <haojian.zhuang at marvell.com>
>>> Date: Tue, 8 Dec 2009 09:05:28 -0500
>>> Subject: [PATCH] mfd: support 88pm8606 in 860x driver
>>>
>>> 88PM8606 and 88PM8607 are two discrete chips used for power management.
>>> Hardware designer can use them together or only one of them according to
>>> requirement.
>>>
>>> There's some logic tightly linked between these two chips. For example, USB
>>> charger driver needs to access both chips by I2C interface.
>>>
>>> Now share one driver to these two devices. Only one I2C client is identified
>>> in platform init data. If another chip is also used, user should mark it in
>>> companion_addr field of platform init data. Then driver could create another
>>> I2C client for the companion chip.
>>>
>>> All I2C operations are accessed by 860x-i2c driver. In order to support both
>>> I2C client address, the read/write API is changed in below.
>>>
>>> reg_read(client, offset)
>>> reg_write(client, offset, data)
>>>
>>> The benefit is that client drivers only need one kind of read/write API. I2C
>>> and MFD driver can be shared in both 8606 and 8607.
>> After merging this patch, I get many drivers/regulator/88pm8607.c build
>> failures. Could you please include fixes for this driver with this patch, and
>> also update patch #9 accordingly ?
>>
>
> Update these patches. #9 is merged into #2. #3 is also changed.
>
> Thanks
> Haojian
>

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Thanks
Haojian
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