linux-kernel - Re: [RFC PATCH 1/4] dt-binding: i2c: add generic properties for GPIO bus recovery

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Date:   Fri, 24 Jul 2020 21:39:13 +0200
From:   Wolfram Sang <wsa@...nel.org>
To:     Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>,
        Russell King <linux@...linux.org.uk>
Cc:     linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        robh+dt@...nel.org, ludovic.desroches@...rochip.com,
        nicolas.ferre@...rochip.com, alexandre.belloni@...tlin.com,
        kamel.bouhara@...tlin.com
Subject: Re: [RFC PATCH 1/4] dt-binding: i2c: add generic properties for GPIO
 bus recovery

On Sun, Jul 05, 2020 at 11:19:18PM +0200, Wolfram Sang wrote:
> 
> > +- pinctrl
> > +	add extra pinctrl to configure SCL/SDA pins to GPIO function for bus
> > +	recovery, call it "gpio" or "recovery" state
> 
> I think we should stick with "gpio" only. That is what at91 and imx have
> in their bindings. pxa uses "recovery" as a pinctrl state name but I
> can't find any further use or documentation of that. PXA is not fully
> converted to the best of my knowledge, so maybe it is no problem for PXA
> to switch to "gpio", too? We should ask Russell King (cced).
> 
> Russell, do you object naming the pinctrl state for bus recovery in
> the pxa i2c driver from "recovery" to "gpio"?

No response, so far. I suggest now to support the "recovery" naming but
mark it as deprecated. Opinions?


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