linux-kernel - Re: [PATCH 12/22] ARM: dts: imx6: Add touchscreens used on Toradex eval boards

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Date:   Tue, 30 Jul 2019 17:46:28 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Philippe Schenker <dev@...henker.ch>
Cc:     Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        Max Krummenacher <max.krummenacher@...adex.com>,
        Stefan Agner <stefan@...er.ch>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Philippe Schenker <philippe.schenker@...adex.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        Sascha Hauer <s.hauer@...gutronix.de>
Subject: Re: [PATCH 12/22] ARM: dts: imx6: Add touchscreens used on Toradex
 eval boards

On Tue, Jul 30, 2019 at 11:57 AM Philippe Schenker <dev@...henker.ch> wrote:

> +       /* Atmel maxtouch controller */
> +       atmel_mxt_ts: atmel_mxt_ts@4a {

Generic node names, please:

touchscreen@4a

> +               compatible = "atmel,maxtouch";
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&pinctrl_pcap_1>;
> +               reg = <0x4a>;
> +               interrupt-parent = <&gpio1>;
> +               interrupts = <9 IRQ_TYPE_EDGE_FALLING>; /* SODIMM 28 */
> +               reset-gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>; /* SODIMM 30 */
> +               status = "disabled";
> +       };
> +
> +       /*
> +        * the PCAPs use SODIMM 28/30, also used for PWM<B>, PWM<C>, aka pwm1,
> +        * pwm4. So if you enable one of the PCAP controllers disable the pwms.
> +        */
> +       pcap: pcap@10 {

touchscreen@10

> +               /* TouchRevolution Fusion 7 and 10 multi-touch controller */
> +               compatible = "touchrevolution,fusion-f0710a";

I do not find this binding documented.