linux-kernel - Re: [PATCH v3 4/4] ARM: dts: Add exynos5250-spring device tree

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Message-ID: <53DA1231.70309@suse.de>
Date:	Thu, 31 Jul 2014 11:53:53 +0200
From:	Andreas Färber <afaerber@...e.de>
To:	Ajay kumar <ajaynumb@...il.com>
CC:	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Stephan van Schaik <stephan@...khronix.com>,
	Vincent Palatin <vpalatin@...omium.org>,
	Doug Anderson <dianders@...omium.org>,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Ben Dooks <ben-linux@...ff.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Ajay Kumar <ajaykumar.rs@...sung.com>
Subject: Re: [PATCH v3 4/4] ARM: dts: Add exynos5250-spring device tree

Hi,

Am 31.07.2014 11:49, schrieb Ajay kumar:
> On Thu, Jul 31, 2014 at 2:56 PM, Andreas Färber <afaerber@...e.de> wrote:
>> Am 30.07.2014 15:50, schrieb Andreas Färber:
>>> diff --git a/arch/arm/boot/dts/exynos5250-spring.dts b/arch/arm/boot/dts/exynos5250-spring.dts
>>> new file mode 100644
>>> index 000000000000..bcca892bf2ff
>>> --- /dev/null
>>> +++ b/arch/arm/boot/dts/exynos5250-spring.dts
>> [...]
>>> +&pinctrl_0 {
>>> +     dp_hpd_gpio: dp-hpd-gpio {
>>> +             samsung,pins = "gpc3-0";
>>> +             samsung,pin-function = <1>;
>>
>> Not sure where this 1 came from... Both Ajay and my 3.8 DT have 0.
> Right, this should be 0.
> 
>>> +             samsung,pin-pud = <3>;
>>> +             samsung,pin-drv = <0>;
>>> +     };
>>
>> Seeing that Ajay called this node dp-hdp, it should probably be an override?
> dp_hpd should be enough. I will keep the same name for peach boards.
> dp_hpd: dp-hpd {
> .
> .
> .
> };

Apart from my own set of typos, I see that you proposed dp-hpd whereas
-pinctrl.dtsi has dp_hpd (dash vs. underscore). My question is, can we
override the pinctrl one instead of adding a new one, or do they need to
coexist?

Thanks,
Andreas

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