Re: [PATCH] mfd: palmas: Add DVFS mux setting

From: Stephen Warren
Date: Tue Jul 30 2013 - 16:20:17 EST

On 07/27/2013 03:55 AM, Laxman Dewangan wrote:
> On Saturday 27 July 2013 03:42 AM, Andrew Chew wrote:
>> I wrote:
>>> Andrew wrote:
>>>> [adding a third pinmux configuration property to Palmas's DT]
>>> How does this interact with the pinctrl driver that Laxman just
>>> sent for Palmas?
>>> [PATCH 0/2] pinctrl: palmas: add pincontrol driver
>> Abandoning this patch.
> once we will have the pincontrol driver then mux pads are become redundant.

OK. The driver should probably operate like this then:

* During probe(), parse the ti,mux-pad* parameters, if present, and
apply them. This is needed to maintain compatibility with old DTs that
may contain these properties.

* At the end of probe(), register the pinctrl driver. If standard
pinctrl properties are present in DT, these will then be applied. These
may override the values set by any ti,mux-pad* properties if they were

Also, we should remove, or mark deprecated, the ti,mux-pad* properties
in the binding document when adding pinctrl support.
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