linux-kernel - Re: [RFC 1/3] power_supply: Define Binding for supplied-nodes

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Date:	Mon, 18 Feb 2013 11:34:30 +0530
From:	Rajanikanth HV <rajanikanth.hv@...ricsson.com>
To:	Anton Vorontsov <anton@...msg.org>
Cc:	Rhyland Klein <rklein@...dia.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>
Subject: Re: [RFC 1/3] power_supply: Define Binding for supplied-nodes


On Sunday 17 February 2013 04:08 AM, Anton Vorontsov wrote:
[...]
> 
> "supplied nodes" sounds confusing (doesn't reflect direction), IMO. I'd
> rather call it power-supply,supplied-to = <&some_battery>;
> 
> But... I'm recalling there was a similar discussion not that long ago, and
> Arnd came up with the idea that supplied-to is not fully in spirit of DT,
> and proposed his view of proper bindings. Please find the discussion here:
> 
>   http://lkml.org/lkml/2012/9/14/104
'supplied-to or supplied nodes' is specific to "power-supply core and
battery managed devices/drivers" and not platform specific.
Dependent battery drivers interacts/shares power supply events with the
help of 'supplied_to' 'num_supplicants' and external_power_changed(...)
identifiers which are defined and fixed during driver design, it will be
more meaningful to have it internal to drivers instead DT.
Ref: ab8500_[fg,btemp,charger].c, abx500_chargalg.c and
arch/arm/boot/dts/dbx5x0.dtsi


Thanks,
Rajanikanth
[...]
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