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

[Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>]

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@ti.com>
> >>>> Cc: Tony Lindgren <tony@atomide.com>
> >>>> Cc: Russell King <linux@arm.linux.org.uk>
> >>>> Cc: linux-omap@vger.kernel.org
> >>>> Cc: devicetree-discuss@lists.ozlabs.org
> >>>> Cc: linux-arm-kernel@lists.infradead.org
> >>>> Cc: linux-kernel@vger.kernel.org
> >>>> Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.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@lists.infradead.org
> >> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
> > 
> > 
> > 
> 
> 


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