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[209.132.180.67]) by mx.google.com with ESMTP id g4si15827014plt.215.2019.02.13.07.09.40; Wed, 13 Feb 2019 07:09:40 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@baylibre-com.20150623.gappssmtp.com header.s=20150623 header.b=I8nkF1Fi; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389057AbfBMPJj (ORCPT + 31 others); Wed, 13 Feb 2019 10:09:39 -0500 Received: from mail-ed1-f65.google.com ([209.85.208.65]:34762 "EHLO mail-ed1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726277AbfBMPJi (ORCPT ); Wed, 13 Feb 2019 10:09:38 -0500 Received: by mail-ed1-f65.google.com with SMTP id b3so2246876ede.1 for ; Wed, 13 Feb 2019 07:09:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id; bh=mi2mVO/IJ0Uh7+nXJ3rnWhD82EEtsEXYmxE78KRe3ZM=; b=I8nkF1FiJxzndm/qA8SZLIzVcJjdecl3ZazI0iWa0o8ycJ8/AKOhamKC1l0uqkbpm0 UtLth7fQrN+O9JCyRYeo1m3v9kwqmrs5gHfOI1JZBm4f7ZgGlNEwyh8UJDTMkbIDvUvx u83v+zfX3OF8jzrKRmr0987RfX8KxnIGYDRIhBydp4S8+awIfe4UqZCeMKldreLvozRx BgjU6CoUYZvR4h5LyACk81U1psflIsok0ft39/QTSYX2HUG15OGWtJe+EH+Flskk5t+B Rn99NHTsZnMEvM9LzDpw+xk3ZBSovsL5usLz9Bh6VRgbyIy5xDgf/q2CI7pwcxL90JdO RRHA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=mi2mVO/IJ0Uh7+nXJ3rnWhD82EEtsEXYmxE78KRe3ZM=; b=EAG26OQhrVTgD5FDSp3ER5GnckjpGS8C0VqS3twTN2y2UWuUU8RQSV3WJ1SkarXpOz Ga9oqDq3oMvq1pLO4tAHwOly/4MNyeR5V20xD9wBCwVXBSRVr+ZYeODuxTIZmG6xEkW0 5QN4J2PUfo3RuJ00QCyAbv7/okutFlxc0EzKxxNy8HVGrLwiJBG8hDH/lSUwMzMsLnMn sZ7ez2lLZ+jV8bDAa0nxwEg4aFeZc3jOIUF7fO09IixnbUsimv/xqRHRhjYpL6g5IqOV XxTJTwOOcLM8t8SMlkR2JYLnAFV5dHFIdvUNKDPQ5v9kBtKEl0XlD8Mykm946GYYpq4v +2ww== X-Gm-Message-State: AHQUAuZ8hKy7egUZkGGU1PaP7obQbCMaqtZCWeXvnvNGQBRS4YJ1BH6t NdrCn7sDZcryoCRCOak9HAr1rg== X-Received: by 2002:a50:c408:: with SMTP id v8mr778469edf.144.1550070576370; Wed, 13 Feb 2019 07:09:36 -0800 (PST) Received: from loys-ubuntu-BY1835A49200471.thefacebook.com ([2620:10d:c092:180::1:4505]) by smtp.googlemail.com with ESMTPSA id k26sm1903941ejv.63.2019.02.13.07.09.33 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 13 Feb 2019 07:09:35 -0800 (PST) From: Loys Ollivier To: devicetree@vger.kernel.org, Johan Hovold Cc: Loys Ollivier , 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: [PATCH v4 0/4] Add driver for Mediatek-based GNSS receivers Date: Wed, 13 Feb 2019 16:09:25 +0100 Message-Id: <1550070569-18588-1-git-send-email-lollivier@baylibre.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, This patch series adds a new GNSS driver for the Mediatek-based GNSS receivers. These receivers transmits NMEA output sequence after boot. Power management can be done via the main supply and optional backup supply as defined in the device tree. The driver has been tested using a GlobalTop pa6h chipset on a Libretech-cc board using the expansion header. Changes made in the board device tree can be found below for reference and testing. Loys Version 4 changes: - dt: bindings: use standard name "reset-gpios" - dt: bindings: use standard name "gnss-fix-gpios" - dt: bindings: s/an/a UART Version 3 changes [0]: - driver: Removed "mediatek,mt3339" compatible - driver: moved gnss_types_names string diff in the GNSS_TYPE patch - driver: edited [patch 3/4] commit message to remove ref to vendor protocol - driver: retained the original copyright - dt: removed interfaces that are not available on the globaltop SoC - dt: Added missing pins documentation - dt: added optional properties pin names Version 2 changes: - driver: Renamed driver from Globaltop/gtop to Mediatek/mtk - driver: Added "mediatek,mt3339" compatible - dt: Renamed bindings from Globaltop to Mediatek - dt: Moved the current-speed property as optional - dt: removed the status line in example - cover-letter: removed the alias that is not needed anymore [0]: https://lkml.kernel.org/r/1548693481-1162-1-git-send-email-lollivier@baylibre.com Loys Ollivier (4): dt-bindings: Add vendor prefix for "GlobalTop Technology, Inc." dt-bindings: gnss: add mediatek binding gnss: add mtk receiver type support gnss: add driver for mediatek receivers .../devicetree/bindings/gnss/mediatek.txt | 37 +++++ .../devicetree/bindings/vendor-prefixes.txt | 1 + drivers/gnss/Kconfig | 13 ++ drivers/gnss/Makefile | 3 + drivers/gnss/core.c | 1 + drivers/gnss/mtk.c | 152 +++++++++++++++++++++ include/linux/gnss.h | 1 + 7 files changed, 208 insertions(+) create mode 100644 Documentation/devicetree/bindings/gnss/mediatek.txt create mode 100644 drivers/gnss/mtk.c --- pinctrl-names = "default"; }; +/* This is brought out on the UART_A_TX (8) and UART_A_RX (10) pins: */ +&uart_A { + status = "okay"; + pinctrl-0 = <&uart_a_pins>; + pinctrl-names = "default"; + + gnss { + compatible = "globaltop,pa6h"; + v-bckp-supply = <&vcc_3v3>; + vcc-supply = <&vcc_3v3>; + current-speed = <9600>; + }; +}; + &usb0 { status = "okay"; }; -- 2.7.4 diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts index 90a56af967a7..3b3d4dcc47aa 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts @@ -17,6 +17,7 @@ aliases { serial0 = &uart_AO; ethernet0 = ðmac; }; @@ -269,7 +270,20 @@