From mboxrd@z Thu Jan 1 00:00:00 1970 From: Linus Walleij Subject: Re: [PATCH 2/3] dt-bindings: gpio: Add binding document for xylon logicvc-gpio Date: Thu, 12 Sep 2019 10:19:42 +0100 Message-ID: References: <20190910152855.111588-1-paul.kocialkowski@bootlin.com> <20190910152855.111588-2-paul.kocialkowski@bootlin.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: In-Reply-To: <20190910152855.111588-2-paul.kocialkowski@bootlin.com> Sender: linux-kernel-owner@vger.kernel.org To: Paul Kocialkowski Cc: "open list:GPIO SUBSYSTEM" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "linux-kernel@vger.kernel.org" , Bartosz Golaszewski , Rob Herring , Mark Rutland , Thomas Petazzoni List-Id: devicetree@vger.kernel.org On Tue, Sep 10, 2019 at 4:29 PM Paul Kocialkowski wrote: > The Xylon LogiCVC display controller exports some GPIOs, which are > exposed as a dedicated driver. > > This introduces the associated device-tree bindings documentation. > > Signed-off-by: Paul Kocialkowski (...) > +The controller exposes GPIOs from the display and power control registers, > +which are mapped by the driver as follows: > +- GPIO[4:0] (display control) mapped to index 0-4 > +- EN_BLIGHT (power control) mapped to index 5 > +- EN_VDD (power control) mapped to index 6 > +- EN_VEE (power control) mapped to index 7 > +- V_EN (power control) mapped to index 8 This should be reflected in the gpio-line-names in the example and in your device trees. Yours, Linus Walleij