linux-kernel - Re: [PATCH v6 1/4] dt-bindings: input: touchscreen: goodix: Document regulator properties

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Message-ID: <20190222164346.GA26256@bogus>
Date:   Fri, 22 Feb 2019 10:43:46 -0600
From:   Rob Herring <robh@...nel.org>
To:     Jagan Teki <jagan@...rulasolutions.com>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Bastien Nocera <hadess@...ess.net>,
        Henrik Rydberg <rydberg@...math.org>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Mark Rutland <mark.rutland@....com>,
        linux-amarula@...rulasolutions.com,
        Michael Trimarchi <michael@...rulasolutions.com>,
        Jagan Teki <jagan@...rulasolutions.com>
Subject: Re: [PATCH v6 1/4] dt-bindings: input: touchscreen: goodix: Document
 regulator properties

On Tue, 19 Feb 2019 15:46:26 +0530, Jagan Teki wrote:
> Goodix CTP controllers support analog, digital and gpio regulator
> supplies on relevant controller pin configurations.
> 
> Out of which AVDD28 and VDDIO regulators are required in few goodix CTP
> chips during power-on sequence.
> 
> AVDD22, DVDD12 regulators have no relevant functionality described from
> datasheet [1].
> 
> So, document both AVDD28, VDDIO regulators into optional properties since
> few of the goodix chip do work without these regulator power-on sequence.
> 
> [1] GT5663 Datasheet_English_20151106_Rev.01
> 
> Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>
> ---
>  Documentation/devicetree/bindings/input/touchscreen/goodix.txt | 2 ++
>  1 file changed, 2 insertions(+)
> 

Reviewed-by: Rob Herring <robh@...nel.org>