Re: [PATCH 0/8] STMPE fixes/rework and add STMPE1600 support

[Patrice Chotard]

On 04/19/2016 05:53 PM, Stephen Warren wrote:
> On 04/19/2016 06:18 AM, patrice.chotard@xxxxxx wrote:
> > From: Patrice Chotard <patrice.chotard@xxxxxx>
> >
> > This series cleans and fixes some bugs in MFD/GPIO STMPE drivers and 
> > prepare
> >   the ground to add new STMPE1600 support.
> >
> > STMPE1600 datasheet is available here :
> > http://www2.st.com/content/st_com/en/products/interfaces-and-transceivers/ 
> >
> > i-o-expanders-and-level-translators/i-o-expanders/stmpe1600.html
> >
> > Only STMPE1600 has been tested on STM32 platform. As i have no board 
> > with
> > others STMPE 
> > variant(STMPE610/STMPE801/STMPE811/STMPE1601/STMPE1801/STMPE2401
> > and STMPE2403), i put in CC boards's maintainers which are using 
> > others STMPE variant.
> >
> > If they can kindly check that no regression has been introduce by 
> > this series
>
> > For TEGRA ARCHITECTURE SUPPORT
> >     _ Stephen Warren <swarren@xxxxxxxxxxxxx>
> >     _ Thierry Reding <thierry.reding@xxxxxxxxx>
> >     _ Alexandre Courbot <gnurou@xxxxxxxxx>
>
> I don't know what STMPE is, and I don't believe it is used on Tegra; 
> what makes you think it is?

Hi Stephen

STMPE family is GPIO expander, and for some of them, it includes others 
fonctionnality:
    _STMPE811 and STMPE610: touchscreen controller
    _ STMPE1601, STMPE2401 and STMPE2403: keypad and PWM controller
    _ STMPE1801: keypad controller

For more informations, some datasheets are available here: 
http://www2.st.com/content/st_com/en/products/interfaces-and-transceivers/i-o-expanders-and-level-translators/i-o-expanders.html?querycriteria=productId=SC1027

drivers/mfd/stmpe.c and drivers/gpio/gpio-stmpe.c are drivers which 
support all STMPE variant.
I put you in copy as STMPE811 is used on tegra30-apalis and 
tegra30-colibri platforms.

Thanks

Patrice