linux-kernel - Re: [PATCH v2 8/9] ARM: dts: Add leds support to STM32F429 Discovery board

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Message-ID: <CACRpkdYjq9XqKM4imYsaa_HBopS7uFnbb6gf=hRZHGC4baafAg@mail.gmail.com>
Date:	Mon, 26 Oct 2015 14:41:38 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc:	Mark Rutland <mark.rutland@....com>,
	Rob Herring <robh+dt@...nel.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andreas Färber <afaerber@...e.de>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Daniel Thompson <daniel.thompson@...aro.org>,
	Bruno Herrera <bruherrera@...il.com>
Subject: Re: [PATCH v2 8/9] ARM: dts: Add leds support to STM32F429 Discovery board

On Sat, Oct 17, 2015 at 7:23 PM, Maxime Coquelin
<mcoquelin.stm32@...il.com> wrote:

> Signed-off-by: Maxime Coquelin <mcoquelin.stm32@...il.com>
(...)
> +       leds {
> +               compatible = "gpio-leds";
> +               red {
> +                       gpios = <&gpiog 14 0>;
> +               };
> +               green {
> +                       gpios = <&gpiog 13 0>;
> +               };

I suggest you add labels to these LEDs.

label = "red-LED"
label = "green-LED"

This make things so much easier in sysfs.

Usually people also want to add a default linux,trigger to these,
like linux,default-trigger = "heartbeat"; but whatever you prefer.

Acked-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij
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