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[85.230.190.116]) by smtp.gmail.com with ESMTPSA id z2-v6sm3326542ljk.50.2019.02.13.01.31.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 13 Feb 2019 01:31:27 -0800 (PST) Received: from johan by xi.terra with local (Exim 4.91) (envelope-from ) id 1gtqsz-0007i1-3y; Wed, 13 Feb 2019 10:31:21 +0100 Date: Wed, 13 Feb 2019 10:31:21 +0100 From: Johan Hovold To: Rob Herring Subject: Re: [PATCH v3 2/4] dt-bindings: gnss: add mediatek binding Message-ID: <20190213093121.GG28278@localhost> References: <1548693481-1162-1-git-send-email-lollivier@baylibre.com> <1548693481-1162-3-git-send-email-lollivier@baylibre.com> <20190130155016.GA26536@bogus> <20190211092251.GV4686@localhost> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.11.3 (2019-02-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190213_013130_542309_3869BA36 X-CRM114-Status: GOOD ( 18.80 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Martin Blumenstingl , Kevin Hilman , Loys Ollivier , Johan Hovold , "linux-kernel@vger.kernel.org" , "moderated list:ARM/Mediatek SoC support" , linux-amlogic@lists.infradead.org, "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Feb 12, 2019 at 03:18:46PM -0600, Rob Herring wrote: > On Mon, Feb 11, 2019 at 3:23 AM Johan Hovold wrote: > > > > On Wed, Jan 30, 2019 at 09:50:16AM -0600, Rob Herring wrote: > > > On Mon, Jan 28, 2019 at 05:37:59PM +0100, Loys Ollivier wrote: > > > > Add binding for Mediatek-based GNSS receivers. > > > > > > > > Signed-off-by: Loys Ollivier > > > > +- gtop,fix-gpios : GPIO used to determine device position fix state > > > > + (pin name: FIX, 3D_FIX) > > > > I'm thinking we might need a standard name for fix-gpios as well. This > > isn't a feature that is globaltop (or mediatek) specific, and other > > manufacturers provide similar functionality through pins named UI_FIX, > > or even LCKIND (lock indicator). > > > > The pin is typically used to drive an indicator LED AFAIU, but the > > characteristics of the signal varies from device to device (fw to fw), > > for example, pulse when no lock and low otherwise, or pulse when a 2d or > > 3d-fix is acquired, etc. > > > > I'm not sure how useful the pulsing would be for software, but someone > > might find a use for it in some form. > > > > Rob, is this something we want to keep in the binding, and if so, how > > about using a generic name such as "gnss-fix-gpios"? > > Sure. As long as details like being a pulse and when the pulse occurs > are implied by compatible string. So we don't get an endless addition > of properties to describe those. Agreed, thanks. Johan _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel