Re: [PATCH 1/2] Input: bcm-keypad: add device tree bindings

[Scott Branden]

Hi Dmitry,

Thanks for the update of no need to change any of dt-binding prefixes. 
I just sent out a v2 patch addressing all of your other comments.

On 15-02-23 09:49 AM, Dmitry Torokhov wrote:
> Hi Scott,
>
> On Sun, Feb 15, 2015 at 09:17:51PM -0800, Dmitry Torokhov wrote:
> > On Sat, Feb 14, 2015 at 08:49:15AM -0800, Scott Branden wrote:
> > > On 15-02-09 04:51 PM, Dmitry Torokhov wrote:
> > > > On Mon, Feb 09, 2015 at 04:07:40PM -0800, Scott Branden wrote:
> > > > > +
> > > > > +- col-debounce-filter-period: The debounce period for the Column filter.
> > > > > +
> > > > > +	KEYPAD_DEBOUNCE_1_ms	=	0
> > > > > +	KEYPAD_DEBOUNCE_2_ms	=	1
> > > > > +	KEYPAD_DEBOUNCE_4_ms	=	2
> > > > > +	KEYPAD_DEBOUNCE_8_ms	=	3
> > > >
> > > > > +	KEYPAD_DEBOUNCE_16_ms	=	4
> > > > > +	KEYPAD_DEBOUNCE_32_ms	=	5
> > > > > +	KEYPAD_DEBOUNCE_64_ms	=	6
> > > > > +	KEYPAD_DEBOUNCE_128_ms	=	7
> > > > > +
> > > > > +- status-debounce-filter-period: The debounce period for the Status filter.
> > > > > +
> > > > > +	KEYPAD_DEBOUNCE_1_ms	=	0
> > > > > +	KEYPAD_DEBOUNCE_2_ms	=	1
> > > > > +	KEYPAD_DEBOUNCE_4_ms	=	2
> > > > > +	KEYPAD_DEBOUNCE_8_ms	=	3
> > > > > +	KEYPAD_DEBOUNCE_16_ms	=	4
> > > > > +	KEYPAD_DEBOUNCE_32_ms	=	5
> > > > > +	KEYPAD_DEBOUNCE_64_ms	=	6
> > > > > +	KEYPAD_DEBOUNCE_128_ms	=	7
> > > >
> > > > I could swear device-specific properties should be in form of
> > > > <vendor-prefix>,<property-name> to ensure it won't clash with changes on
> > > > subsystem level later on. Device-tree folks, what say you?
> > > I see examples with and without vendor-prefix.
> > > qcom,pm8xxx-keypad.txt does not have prefixes
> > > st-keyscan.txt does have a prefix
> > >
> > > I can't find any documented guidelines for this.
> >
> > As I mentioned I'll try to get clarification on this.
>
> I have chatted with a couple of people on this and it is acceptable to
> omit vendor prefix in bindings when we are using a specific driver like
> we have here (i.e. when driver's compatible string already includes
> vendor prefix). Vendor prefixes on properties are required when we
> augment a generic driver's binding.
>
> So the above 2 entries are fine as is.
>
> Thanks.

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