From patchwork Tue May 23 13:12:52 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Wahren X-Patchwork-Id: 765951 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3wXGG44sPbz9sPJ for ; Tue, 23 May 2017 23:14:36 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965091AbdEWNOM (ORCPT ); Tue, 23 May 2017 09:14:12 -0400 Received: from mout.kundenserver.de ([217.72.192.74]:59894 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1764070AbdEWNNi (ORCPT ); Tue, 23 May 2017 09:13:38 -0400 Received: from duckbill-v2-sdk.fritz.box ([109.104.44.37]) by mrelayeu.kundenserver.de (mreue101 [212.227.15.183]) with ESMTPSA (Nemesis) id 0LjaMC-1dohMy1zdg-00bY6a; Tue, 23 May 2017 15:13:24 +0200 From: Stefan Wahren To: Rob Herring , Mark Rutland , "David S. Miller" Cc: Greg Kroah-Hartman , Jiri Slaby , Lino Sanfilippo , Jakub Kicinski , devicetree@vger.kernel.org, netdev@vger.kernel.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Stefan Wahren Subject: [PATCH v6 net-next 16/17] dt-bindings: qca7000: append UART interface to binding Date: Tue, 23 May 2017 15:12:52 +0200 Message-Id: <1495545173-22150-17-git-send-email-stefan.wahren@i2se.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1495545173-22150-1-git-send-email-stefan.wahren@i2se.com> References: <1495545173-22150-1-git-send-email-stefan.wahren@i2se.com> X-Provags-ID: V03:K0:HuG5boK2Pf25CwkHhU1h+c46vqXl3Fsi2mZ6M41fkbMqxLQ9ZoK AbWhjT2w8aueXaj7fZcw42Hbl/I/tLzZedjZzEr9CB8LvBb2TFodvieUBUGvgvRvfZ2eSqt wpcWLZ6e6TmU+LJwdUgLquoOCTWjfRgVbRYHen/vX3djR8oLlPKkoXVVSgx8/Rh8ru7fHRu iLJ3EMgZFhy2aP8IkH78w== X-UI-Out-Filterresults: notjunk:1; V01:K0:42IDlvkE7Y0=:m5FWuqEDaYyUd2q+f6VBgn eeUgGVkxGpsQoQvnCyZQPyeP6K8JCfqiPYT2XT+Xum4POhWeNxg/Pm4LGm+qV1V6qqUY3JcOI YW3Y1XZlrUdsf/V9EtgRG24VR5fRIkqhYHtiZ7IIDnQD4+jEtAEdWzMeMpa2CglyqoMEJbyRN 1Qw3G1DqC3cpfNDYmIRyQltMZeVpOFKk1v5FyC8KUd/+1RXUlelHQmFnwrYC7LDukI005H9jk 07XKoAhyLZYxhwjre6otLL9U7aSPg7ypf6cUUgYjfgGQkZFYTrH40aM+t8ZDNgf+7lgsD1zgt W4qepdn8bSDsePxG2kWkfAdrmmRHftfSPRB3FAnjyQy98yjQSC1xU2DwCD0yg0/kaKHbjds+H rw2MxCs0w25uqteOYRtOt1ixb1Z5DHwXuND1CZgSwilZNjTuv/ql/klUOpfYlSWsgGgZ1tbLg /Vym1mV7PC5FIwgu6z2vdWLT5w7k0/LP0Eo8NguucxBQ8BjvqoYWZY6Zw01P55uEQER2JI0sg 2ZJezS4TQpdBhyJmPFRwdpKXvy1dLYut56tE7eiqXA2LSQiLea38jyJsgq+M43tEYXnFkPuJu vmMKkST4fVA6xQJXofBPSWOCaFFqo/FgpW580jA2hAWz7mR0PXgsUnZCWJ4MYODOLfVU/ZdBv VqGSdcgXLYCMv9ECDl7igHrF4KdB+e/oRIw3DaWUveSL8eJvTYyLkiq921Rqk8vDMrgs= Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This merges the serdev binding for the QCA7000 UART driver (Ethernet over UART) into the existing document. Signed-off-by: Stefan Wahren --- .../devicetree/bindings/net/qca,qca7000.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/Documentation/devicetree/bindings/net/qca,qca7000.txt b/Documentation/devicetree/bindings/net/qca,qca7000.txt index a37f656..6d9efb2 100644 --- a/Documentation/devicetree/bindings/net/qca,qca7000.txt +++ b/Documentation/devicetree/bindings/net/qca,qca7000.txt @@ -54,3 +54,35 @@ ssp2: spi@80014000 { local-mac-address = [ A0 B0 C0 D0 E0 F0 ]; }; }; + +(b) Ethernet over UART + +In order to use the QCA7000 as UART slave it must be defined as a child of a +UART master in the device tree. It is possible to preconfigure the UART +settings of the QCA7000 firmware, but it's not possible to change them during +runtime. + +Required properties: +- compatible : Should be "qca,qca7000" + +Optional properties: +- local-mac-address : see ./ethernet.txt +- current-speed : current baud rate of QCA7000 which defaults to 115200 + if absent, see also ../serial/slave-device.txt + +UART Example: + +/* Freescale i.MX28 UART */ +auart0: serial@8006a000 { + compatible = "fsl,imx28-auart", "fsl,imx23-auart"; + reg = <0x8006a000 0x2000>; + pinctrl-names = "default"; + pinctrl-0 = <&auart0_2pins_a>; + status = "okay"; + + qca7000: ethernet { + compatible = "qca,qca7000"; + local-mac-address = [ A0 B0 C0 D0 E0 F0 ]; + current-speed = <38400>; + }; +};