Subject: [PATCH 1/3] mfd: support 88pm80x in 80x driver

From: [email-masked] (Mark Brown)
Date: Mon, 2 Jul 2012 11:12:28 +0100

On Mon, Jul 02, 2012 at 06:09:57PM +0800, Qiao Zhou wrote:
> On 07/02/2012 06:03 PM, Mark Brown wrote:

> >What do you mean by pages?  regmap has paging support which just maps
> >everything into a single flat register map from the point of view of
> >callers.

> Mark, let me explain: the 88pm800 chip has three i2c address
> internally, which we called different page instead. it confuses you
> with the register page_read/write operation. there are registers in
> each i2c address domain, and we need to use different i2c client to
> access reg in different domain. such as some common regs are in the
> page of i2c_addr = 0x30, and power related regs are in the page of
> i2c_addr = 0x31, and gpadc related regs are in the page of 0x32.

These aren't what people normally call pages, those are just separate
I2C devices from a Linux point of view.
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