[PATCH v4 1/2] ARM: dts: imx6: Add support for Toradex Apalis iMX6Q/D SoM

[Marcel Ziswiler]

On Mon, 2016-02-01 at 21:29 +0800, Shawn Guo wrote:

[snip]

> +	/* STMPE811 touch screen controller */
> > +	stmpe811 at 41 {
> > +		compatible = "st,stmpe811";
> 
> The compatible seems to be used by kernel without a binding document.

Indeed and looking at git logs Linus himself introduced it (;-p):

commit 5a826feedc331a2d5ced2afd832199a70b3af891
Author: Linus Walleij <linus.walleij at linaro.org>
Date:   Wed Apr 23 23:35:58 2014 +0200
Subject: mfd: stmpe: Probe properly from the Device Tree