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

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Message-ID: <CACRpkdbsMqhXMa7Ug1k61bwXkH2Mfu-F+7bGORM9ivhbzfcxvg@mail.gmail.com>
Date:	Wed, 20 Apr 2016 16:25:11 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Stephen Warren <swarren@...dotorg.org>
Cc:	Patrice CHOTARD <patrice.chotard@...com>,
	Lee Jones <lee.jones@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Maxime Coquelin <maxime.coquelin@...com>,
	amelie.delaunay@...com, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	Dinh Nguyen <dinguyen@...nsource.altera.com>,
	Viresh Kumar <vireshk@...nel.org>,
	Shiraz Hashim <shiraz.linux.kernel@...il.com>,
	Thierry Reding <thierry.reding@...il.com>
Subject: Re: [PATCH 0/8] STMPE fixes/rework and add STMPE1600 support

On Tue, Apr 19, 2016 at 5:53 PM, Stephen Warren <swarren@...dotorg.org> wrote:
> On 04/19/2016 06:18 AM, patrice.chotard@...com wrote:

>> For TEGRA ARCHITECTURE SUPPORT
>>         _ Stephen Warren <swarren@...dotorg.org>
>>         _ Thierry Reding <thierry.reding@...il.com>
>>         _ Alexandre Courbot <gnurou@...il.com>
>
> I don't know what STMPE is,

ST Microelectronics Multi-Purpose Expander.
Some GPIO and keypad and touchscreen, PWM and what
not.

> and I don't believe it is used on Tegra; what
> makes you think it is?

Probably this:

$ git grep stmpe arch/arm/boot/dts/

arch/arm/boot/dts/tegra30-apalis.dtsi:          stmpe811@41 {
arch/arm/boot/dts/tegra30-apalis.dtsi:                  compatible =
"st,stmpe811";
arch/arm/boot/dts/tegra30-apalis.dtsi:                  stmpe_touchscreen {
arch/arm/boot/dts/tegra30-apalis.dtsi:
compatible = "st,stmpe-ts";
arch/arm/boot/dts/tegra30-colibri.dtsi:         stmpe811@41 {
arch/arm/boot/dts/tegra30-colibri.dtsi:                 compatible =
"st,stmpe811";
arch/arm/boot/dts/tegra30-colibri.dtsi:                 stmpe_touchscreen {
arch/arm/boot/dts/tegra30-colibri.dtsi:
compatible = "st,stmpe-ts";

Yours,
Linus Walleij