linux-kernel - Re: [RFC/PATCH] pinctrl: qcom: Add generic ssbi and spmi GPIO/MPP bindings

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Date:	Mon, 23 Nov 2015 10:22:57 -0800
From:	Bjorn Andersson <bjorn.andersson@...ymobile.com>
To:	Stephen Boyd <sboyd@...eaurora.org>
CC:	Linus Walleij <linus.walleij@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"Ivan T. Ivanov" <iivanov@...sol.com>
Subject: Re: [RFC/PATCH] pinctrl: qcom: Add generic ssbi and spmi GPIO/MPP
 bindings

On Tue 17 Nov 17:00 PST 2015, Stephen Boyd wrote:

> The drivers don't really need to know which PMIC they're for, so
> make a generic binding for them. This alleviates us from updating
> the drivers every time a new PMIC comes out. It's still
> recommended that we update the binding with new PMIC models and
> always specify the specific model for the MPPs and gpios before
> the generic compatible string in devicetree, but this at least
> cuts down on adding more and more compatible strings to the
> drivers until we actually need them.
> 
> Cc: <devicetree@...r.kernel.org>
> Cc: "Ivan T. Ivanov" <iivanov@...sol.com>
> Cc: Bjorn Andersson <bjorn.andersson@...ymobile.com>
> Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>
> ---
> 

I must say that when it comes to writing dts files I much prefer the msm
way of denoting functions over the pmic one. But because of that
decision this makes perfect sense!

Reviewed-by: Bjorn Andersson <bjorn.andersson@...ymobile.com>

Regards,
Bjorn
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