linux-kernel - Re: [PATCH v2] arm, imx6, dts: add DT for aristainetos2 board

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Date:	Tue, 19 May 2015 15:43:14 +0800
From:	Shawn Guo <shawnguo@...nel.org>
To:	Heiko Schocher <hs@...x.de>
Cc:	linux-kernel@...r.kernel.org, Shawn Guo <shawn.guo@...aro.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	Philipp Zabel <p.zabel@...gutronix.de>
Subject: Re: [PATCH v2] arm, imx6, dts: add DT for aristainetos2 board

On Tue, May 19, 2015 at 09:09:06AM +0200, Heiko Schocher wrote:
> >>@@ -0,0 +1,124 @@
> >>+/*
> >>+ * support fot the imx6 based aristainetos2 board
> >>+ *
> >>+ * Copyright (C) 2015 Heiko Schocher <hs@...x.de>
> >>+ *
> >>+ * This program is free software; you can redistribute it and/or modify
> >>+ * it under the terms of the GNU General Public License version 2 as
> >>+ * published by the Free Software Foundation.
> >>+ *
> >>+ */
> >
> >GPL/X11 dual licence is suggested for new DTS files.  See
> >arch/arm/boot/dts/imx6sl-warp.dts for an example.
> 
> Ok, I ask the customer, if this is OK for him ...

The dual license get non-Linux users be able to use the DTS file.

[...]

> >>+&i2c3 {
> >>+	atmel: atmel_mxt_ts@4b {
> >
> >Node name should be generic.
> 
> So, what name do you prefer?

The node name with the example in bindings doc
Documentation/devicetree/bindings/input/atmel,maxtouch.txt seems
perfectly fine to me.

[...]

> >>+&i2c3 {
> >>+	atmel: atmel_mxt_ts@4d {
> >>+		compatible = "atmel,maxtouch";
> >>+		reg = <0x4d>;
> >>+		interrupt-parent = <&gpio2>;
> >>+		interrupts = <9 8>;
> >>+	};
> >
> >It seems the touch device is identical between
> >imx6dl-aristainetos2_4.dts and imx6dl-aristainetos2_7.dts.  Why don't
> >you put it into imx6qdl-aristainetos2.dtsi?
> 
> They have different i2c addresses ...

Okay, I missed that.

Shawn
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