From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH v6 1/4] dt-bindings: input: touchscreen: goodix: Document regulator properties Date: Fri, 22 Feb 2019 10:43:46 -0600 Message-ID: <20190222164346.GA26256@bogus> References: <20190219101629.15977-1-jagan@amarulasolutions.com> <20190219101629.15977-2-jagan@amarulasolutions.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20190219101629.15977-2-jagan@amarulasolutions.com> Sender: linux-kernel-owner@vger.kernel.org Cc: Dmitry Torokhov , Bastien Nocera , Henrik Rydberg , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Mark Rutland , linux-amarula@amarulasolutions.com, Michael Trimarchi , Jagan Teki List-Id: linux-input@vger.kernel.org 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 > --- > Documentation/devicetree/bindings/input/touchscreen/goodix.txt | 2 ++ > 1 file changed, 2 insertions(+) > Reviewed-by: Rob Herring