From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7FFCBC282C2 for ; Wed, 13 Feb 2019 15:22:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 47863222CD for ; Wed, 13 Feb 2019 15:22:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="pflZjFWW" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391735AbfBMPWU (ORCPT ); Wed, 13 Feb 2019 10:22:20 -0500 Received: from mail-wm1-f65.google.com ([209.85.128.65]:51734 "EHLO mail-wm1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390506AbfBMPWU (ORCPT ); Wed, 13 Feb 2019 10:22:20 -0500 Received: by mail-wm1-f65.google.com with SMTP id b11so2916024wmj.1 for ; Wed, 13 Feb 2019 07:22:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=references:user-agent:from:to:cc:subject:in-reply-to:date :message-id:mime-version; bh=zCTBS95HOfXoiRWrgEvh7FtEvMXNrSB3FuomsjeF4Kg=; b=pflZjFWWDAz/fM+e1VlkgbPbYLDnO0ygiMMDYgv6ga46W2+QUy8S3KXuZ703g9uUhm 3jfZ0xeqSVL9Dwl7BKPi93fpLcB3G08C+dokFOibYDnFUMW5p0MpkAcbJJxlNLSbCX/0 9lQGMeVvmLQ5aHDCzua1uRZWLQ1XQmZNitJr/6ANUuGSwOIDIe1LRe2RAWQ77YWCftMl /TCDvcoiIrZBDmSw8I+N6gxz83JstFEf2S+PmGUNl/4rrovt3VIw+o5oxiqiTx0Kh9aT VycSaU0vpupvUIJ/ZYKZA5QUFkyCYBpksmS7WPbMIcjYWZ50ZRB89nDwAVDumo9tieTY +6kg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:references:user-agent:from:to:cc:subject :in-reply-to:date:message-id:mime-version; bh=zCTBS95HOfXoiRWrgEvh7FtEvMXNrSB3FuomsjeF4Kg=; b=NZDjzyGIbCm9pFoNYh8LUlNGplqWWOSYVhUVL8Hr/629Pen/5kpHXi4LSrnIaB2MHy xbY6Xq0s/267uAynHaW9HenZxTqKJN87CSXUUWssSNeus/G6ioeCwwFbhXojN4ebE4Bg nxDjpI+r4bHnY0kyug2eG8tv3KAS8IqEiKfSlehKLzMpFeo1GLVOFcnHyEGLBAFOBaC0 Q7dVaAxZz5SHFN/USE+7sD6t3ejy8+hnDYv8kQnLYrK2CExesIHaa6DYOivka449uNm9 hClFQ8CszZQNulbJwQggMp4pDLmt8QpxHfwQeVZXgmYjKNVGhHGNQdOmaNCPd5oushA6 EwVA== X-Gm-Message-State: AHQUAub2IxreGQSzLQB0PRMegTDLQVsPvvS5yU+Vi6QboKxzeHaIZOsi BL8Qj6VfSYvIVsOOYJUnNrX0tw== X-Google-Smtp-Source: AHgI3Ia0hwslWfHZSw4X5NkH0y6KRX9SyiTgQVjvvivQf6Mr8gWhRHhp/1Q4bQf04fh3UtNFwlhDUg== X-Received: by 2002:a1c:f00a:: with SMTP id a10mr733736wmb.148.1550071337998; Wed, 13 Feb 2019 07:22:17 -0800 (PST) Received: from localhost ([2620:10d:c092:180::1:4505]) by smtp.gmail.com with ESMTPSA id u184sm17675746wmg.45.2019.02.13.07.22.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 13 Feb 2019 07:22:17 -0800 (PST) References: <1547744074-28308-1-git-send-email-lollivier@baylibre.com> <1547744074-28308-3-git-send-email-lollivier@baylibre.com> <20190125090755.GB3691@localhost> <867eeo7pjm.fsf@baylibre.com> <20190211083349.GU4686@localhost> <86mun2v27r.fsf@baylibre.com> User-agent: mu4e 1.0; emacs 25.3.2 From: Loys Ollivier To: Loys Ollivier Cc: Johan Hovold , devicetree@vger.kernel.org, Rob Herring , Mark Rutland , linux-kernel@vger.kernel.org, Kevin Hilman , linux-amlogic@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Martin Blumenstingl Subject: Re: [PATCH v2 2/4] dt-bindings: gnss: add mediatek binding In-reply-to: <86mun2v27r.fsf@baylibre.com> Date: Wed, 13 Feb 2019 16:22:14 +0100 Message-ID: <86sgwrsogp.fsf@baylibre.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon 11 Feb 2019 at 14:17, Loys Ollivier wrote: > On Mon 11 Feb 2019 at 08:33, Johan Hovold wrote: > >> On Mon, Jan 28, 2019 at 04:46:53PM +0100, Loys Ollivier wrote: >>> >>> On Fri 25 Jan 2019 at 09:07, Johan Hovold wrote: >>> >>> > On Thu, Jan 17, 2019 at 05:54:32PM +0100, Loys Ollivier wrote: >>> >> +Required properties (I2C): >>> >> +- reg : I2C slave address >>> >> + >>> >> +Required properties (SPI): >>> >> +- reg : SPI chip select address >>> > >>> > While the mt3339 appears to support these interfaces, the globaltop one >>> > does not. >>> > >>> > Have you looked around for a small sample of mt3339-based receivers, to >>> > see whether anyone actually provides these? >>> >>> Again I'm confused by the fact that it is the Mediatek bindings. >>> Hence why I have added it and why it was not present in the v1 that was >>> only for Globaltop. >> >> This is no different from the sirfstar driver for receivers based on >> those chipsets but manufactured by various other vendors. >> > Indeed. > >>> I find it odd mentionning the chipset but not all its interfaces. >>> I will remove these sections and only list supported interfaces (i.e. >>> UART). Other interfaces can be added afterward if one finds a board that >>> provides them. >> >> Right, but please do look around for other receivers using this chipset >> so that we can make the binding generic enough to cover those as well >> (e.g. by choosing representative resource names). >> > OK will have a look. The only mt3339-based receivers I have found are: - [0] Globaltop - [1] Locosys / Pololu They both only provide the UART interface and do not list the I2C/SPI interfaces. [0] https://cdn-shop.adafruit.com/datasheets/GlobalTop-FGPMMOPA6H-Datasheet-V0A.pdf [1] https://www.pololu.com/file/0J641/LS20030~3_datasheet_v1.3.pdf Loys > >> Johan -- -L