From: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
To: Marco Felsch <m.felsch@pengutronix.de>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, Fabio Estevam <festevam@gmail.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
NXP Linux Team <linux-imx@nxp.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Shawn Guo <shawnguo@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: dts: imx6qdl: Enable egalax touch screen
Date: Fri, 13 Dec 2019 10:03:57 +0100 [thread overview]
Message-ID: <a16cabd53ec24dfab7d8a53cab761f019a6d988f.camel@collabora.co.uk> (raw)
In-Reply-To: <20191212162522.irg6pg4fhgxwkp53@pengutronix.de>
On Thu, 2019-12-12 at 17:25 +0100, Marco Felsch wrote:
> On 19-12-12 17:22, Sjoerd Simons wrote:
> > On Thu, 2019-12-12 at 17:07 +0100, Marco Felsch wrote:
> > > Hi Sjoerd,
> > >
> > > On 19-12-12 17:02, Sjoerd Simons wrote:
> > > > Sabrelite boards can have an lvds screen attached with a built-
> > > > in
> > > > i2c touch
> > > > screen. Enable this in the dtsi.
> > >
> > > Can this be any screen available on the market?
> >
> > I guess i should have been more clear here; This is the touchscreen
> > in
> > the hannstar display (already part of the dts) that was sold as an
> > accessoiry to the sabrelite.
>
> That is more clear =) Pls can you add this to the commit message?
Ofcourse will do; You also made me dig up the model number etc so i'll
include that information.
> > Same as the screen that can be used on the boundary nitrogen6
> > boards
> > (which do have the touch part already enabled in the dts)
> >
> > > > Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
> > > > ---
> > > >
> > > > arch/arm/boot/dts/imx6qdl-sabrelite.dtsi | 8 ++++++++
> > > > 1 file changed, 8 insertions(+)
> > > >
> > > > diff --git a/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi
> > > > b/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi
> > > > index 8468216dae9b..382b127b2251 100644
> > > > --- a/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi
> > > > +++ b/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi
> > > > @@ -416,6 +416,14 @@ &i2c3 {
> > > > pinctrl-names = "default";
> > > > pinctrl-0 = <&pinctrl_i2c3>;
> > > > status = "okay";
> > > > +
> > > > + touchscreen@4 {
> > > > + compatible = "eeti,egalax_ts";
> > > > + reg = <0x04>;
> > > > + interrupt-parent = <&gpio1>;
> > > > + interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
> > > > + wakeup-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
> > >
> > > The wakeup-gpio and the irq-line are sharing the same gpio line?
>
> Lastly should we add a own pinctrl entry for the touchscreen?
Would probably make sense to do that indeed; Will have a look
Thanks for the review!
--
Sjoerd Simons
Collabora Ltd.
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next prev parent reply other threads:[~2019-12-13 9:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-12 16:02 [PATCH] ARM: dts: imx6qdl: Enable egalax touch screen Sjoerd Simons
2019-12-12 16:07 ` Marco Felsch
2019-12-12 16:22 ` Sjoerd Simons
2019-12-12 16:25 ` Marco Felsch
2019-12-13 9:03 ` Sjoerd Simons [this message]
2019-12-12 16:23 ` Marco Felsch
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