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Date: Wed, 20 Apr 2016 16:25:11 +0200
Message-ID: <CACRpkdbsMqhXMa7Ug1k61bwXkH2Mfu-F+7bGORM9ivhbzfcxvg@mail.gmail.com>
Subject: Re: [PATCH 0/8] STMPE fixes/rework and add STMPE1600 support
From: Linus Walleij <linus.walleij@linaro.org>
To: Stephen Warren <swarren@wwwdotorg.org>
Cc: Patrice CHOTARD <patrice.chotard@st.com>, Lee Jones <lee.jones@linaro.org>,
        Alexandre Courbot <gnurou@gmail.com>,
        "linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>,
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	<linux-arm-kernel@lists.infradead.org>,
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        Dinh Nguyen <dinguyen@opensource.altera.com>,
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        Shiraz Hashim <shiraz.linux.kernel@gmail.com>,
        Thierry Reding <thierry.reding@gmail.com>
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On Tue, Apr 19, 2016 at 5:53 PM, Stephen Warren <swarren@wwwdotorg.org> wrote:
> On 04/19/2016 06:18 AM, patrice.chotard@st.com wrote:

>> For TEGRA ARCHITECTURE SUPPORT
>>         _ Stephen Warren <swarren@wwwdotorg.org>
>>         _ Thierry Reding <thierry.reding@gmail.com>
>>         _ Alexandre Courbot <gnurou@gmail.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