linux-kernel - Re: [PATCHv2 3/3] arm: dts: add bandgap entry for OMAP4460 devices

Open Source and information security mailing list archives

Message-ID: <20130531152405.GH23653@game.jcrosoft.org>
Date:	Fri, 31 May 2013 17:24:05 +0200
From:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To:	Eduardo Valentin <eduardo.valentin@...com>,
	Grant Likely <grant.likely@...retlab.ca>
Cc:	Benoit Cousson <b-cousson@...com>,
	Russell King <linux@....linux.org.uk>, tony@...mide.com,
	devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCHv2 3/3] arm: dts: add bandgap entry for OMAP4460 devices

On 08:29 Thu 16 May     , Eduardo Valentin wrote:
> On 15-05-2013 12:57, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > On 12:36 Wed 15 May     , Eduardo Valentin wrote:
> >> On 15-05-2013 11:23, Benoit Cousson wrote:
> >>> Hi Eduardo,
> >>>
> >>> On 05/15/2013 04:58 PM, Eduardo Valentin wrote:
> >>>> Include bandgap devices for OMAP4460 devices.
> >>>>
> >>>> Cc: "Benoît Cousson" <b-cousson@...com>
> >>>> Cc: Tony Lindgren <tony@...mide.com>
> >>>> Cc: Russell King <linux@....linux.org.uk>
> >>>> Cc: linux-omap@...r.kernel.org
> >>>> Cc: devicetree-discuss@...ts.ozlabs.org
> >>>> Cc: linux-arm-kernel@...ts.infradead.org
> >>>> Cc: linux-kernel@...r.kernel.org
> >>>> Signed-off-by: Eduardo Valentin <eduardo.valentin@...com>
> >>>> ---
> >>>>  arch/arm/boot/dts/omap4460.dtsi | 9 +++++++++
> >>>>  1 file changed, 9 insertions(+)
> >>>>
> >>>> diff --git a/arch/arm/boot/dts/omap4460.dtsi b/arch/arm/boot/dts/omap4460.dtsi
> >>>> index 2cf227c..e5bfbfe 100644
> >>>> --- a/arch/arm/boot/dts/omap4460.dtsi
> >>>> +++ b/arch/arm/boot/dts/omap4460.dtsi
> >>>> @@ -29,4 +29,13 @@
> >>>>  			     <0 55 0x4>;
> >>>>  		ti,hwmods = "debugss";
> >>>>  	};
> >>>> +
> >>>> +	bandgap {
> >>>> +		reg = <0x4a002260 0x4
> >>>> +			0x4a00232C 0x4
> >>>> +			0x4a002378 0x18>;
> >>>> +		compatible = "ti,omap4460-bandgap";
> >>>> +		interrupts = <0 126 4>; /* talert */
> >>>> +		ti,tshut-gpio = <86>;
> >>
> >>
> >>
> >>>
> >>> Why do you need a custom attribute for GPIO? Cannot you use the standard
> >>> one?
> >>
> >> I believe it was by your suggestion :-), during the first attempts to
> >> send this driver. But could not find the thread link :-( sorry.
> >>
> >>
> >> I guess the reasoning to mark it as a ti specific is because it will be
> >> used as IRQ line to treat thermal shutdown (in SW).
> > so use interrup-parent
> 
> 
> Jean-Christophe,
> 
> That will change the controller and break the configuration for the
> other IRQ line, coming from GIC.

put this on hold I'm preparing a fix for this
I've discuss with Grant already.

This way for me is buggy

Best Regards,
J.
> 
> >>
> >>>
> >>> Where is the gpio controller phandle?
> >>>
> >>> Usually it looks like this:
> >>>
> >>> 	gpios = <&gpio1 8 0>;
> >>>
> >>>
> >>> Regards,
> >>> Benoit
> >>>
> >>>
> >>>
> >>
> >>
> > 
> > 
> > 
> >> _______________________________________________
> >> linux-arm-kernel mailing list
> >> linux-arm-kernel@...ts.infradead.org
> >> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
> > 
> > 
> > 
> 
> 

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives