linux-kernel - RE: [PATCH V6 7/7] ARM: dts: imx6sx-sabreauto: add egalax touch screen support

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Message-ID: <AM3PR04MB1315A1673823C8B2BAA3169AF5840@AM3PR04MB1315.eurprd04.prod.outlook.com>
Date:   Sun, 6 May 2018 06:04:11 +0000
From:   Anson Huang <anson.huang@....com>
To:     Fabio Estevam <festevam@...il.com>
CC:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Haibo Chen <haibo.chen@...escale.com>,
        Andy Duan <fugang.duan@....com>,
        "A.s. Dong" <aisheng.dong@....com>,
        Robin Gong <yibin.gong@....com>,
        dl-linux-imx <linux-imx@....com>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH V6 7/7] ARM: dts: imx6sx-sabreauto: add egalax touch
 screen support

Hi, Fabio

Anson Huang
Best Regards!


> -----Original Message-----
> From: Fabio Estevam [mailto:festevam@...il.com]
> Sent: Saturday, May 5, 2018 7:56 PM
> To: Anson Huang <anson.huang@....com>
> Cc: Shawn Guo <shawnguo@...nel.org>; Sascha Hauer
> <kernel@...gutronix.de>; Fabio Estevam <fabio.estevam@....com>; Rob
> Herring <robh+dt@...nel.org>; Mark Rutland <mark.rutland@....com>;
> Haibo Chen <haibo.chen@...escale.com>; Andy Duan
> <fugang.duan@....com>; A.s. Dong <aisheng.dong@....com>; Robin Gong
> <yibin.gong@....com>; dl-linux-imx <linux-imx@....com>; moderated
> list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE
> <linux-arm-kernel@...ts.infradead.org>; open list:OPEN FIRMWARE AND
> FLATTENED DEVICE TREE BINDINGS <devicetree@...r.kernel.org>; linux-kernel
> <linux-kernel@...r.kernel.org>
> Subject: Re: [PATCH V6 7/7] ARM: dts: imx6sx-sabreauto: add egalax touch
> screen support
> 
> Hi Anson,
> 
> On Sat, May 5, 2018 at 5:29 AM, Anson Huang <Anson.Huang@....com>
> wrote:
> > Add egalax touch screen support on i2c2 bus.
> >
> > Signed-off-by: Haibo Chen <haibo.chen@...escale.com>
> 
> Is Haibo the author of this patch? If so, his name should appear in the From field.

I made this patch based on NXP kernel tree, Haibo is the original author of this
feature, but the original patch can NOT be applied directly, I have to refine the patch
to meet the upstream requirement, so I added him as another signed-off tag,
to avoid confuse, I can remove this sign-off in next patch version. Same story
for other patches in this series.

> 
> > Signed-off-by: Anson Huang <Anson.Huang@....com>
> > ---
> > changes since V5:
> >         improve pinctrl node name and touchscreen node name.
> >  arch/arm/boot/dts/imx6sx-sabreauto.dts | 16 ++++++++++++++++
> >  1 file changed, 16 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts
> > b/arch/arm/boot/dts/imx6sx-sabreauto.dts
> > index 1dc5b58..3fe41d3 100644
> > --- a/arch/arm/boot/dts/imx6sx-sabreauto.dts
> > +++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts
> > @@ -122,6 +122,12 @@
> >  };
> >
> >  &iomuxc {
> > +       pinctrl_egalax_int: egalax-intgrp {
> > +               fsl,pins = <
> > +                       MX6SX_PAD_SD4_RESET_B__GPIO6_IO_22
> 0x80000000
> > +               >;
> > +       };
> > +
> >         pinctrl_enet1: enet1grp {
> >                 fsl,pins = <
> >                         MX6SX_PAD_ENET1_MDIO__ENET1_MDIO
> 0xa0b1
> > @@ -264,6 +270,16 @@
> >         pinctrl-0 = <&pinctrl_i2c2>;
> >         status = "okay";
> >
> > +       egalax_touchscreen@4 {
> 
> Should be touchscreen@4.
 
Will improve it in next patch version.

Anson.