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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 80B59C43382 for ; Thu, 27 Sep 2018 22:27:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1D08421710 for ; Thu, 27 Sep 2018 22:27:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1D08421710 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=denx.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727588AbeI1Ers (ORCPT ); Fri, 28 Sep 2018 00:47:48 -0400 Received: from mail-out.m-online.net ([212.18.0.9]:39779 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725972AbeI1Ers (ORCPT ); Fri, 28 Sep 2018 00:47:48 -0400 Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 42LqDh3fFdz1qxQD; Fri, 28 Sep 2018 00:27:16 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 42LqDh3DSRz1r44m; Fri, 28 Sep 2018 00:27:16 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id J-_DU1Npe2hq; Fri, 28 Sep 2018 00:27:15 +0200 (CEST) X-Auth-Info: SGy/gdd56PQgQRptON0oU8vaxTWsGNhuWEzfdRxij00= Received: from localhost.localdomain (85-222-111-42.dynamic.chello.pl [85.222.111.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Fri, 28 Sep 2018 00:27:15 +0200 (CEST) From: Lukasz Majewski To: Shawn Guo , Rob Herring , Mark Rutland Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Lukasz Majewski Subject: [PATCH] dt-bindings: misc: bk4: Add device tree binding for Liebherr's BK4 SPI bus Date: Fri, 28 Sep 2018 00:26:55 +0200 Message-Id: <20180927222655.24482-1-lukma@denx.de> X-Mailer: git-send-email 2.11.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add Device Tree binding document for Liebherr's BK4 external SPI bus. Signed-off-by: Lukasz Majewski --- Documentation/devicetree/bindings/misc/lwn-bk4.txt | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/misc/lwn-bk4.txt diff --git a/Documentation/devicetree/bindings/misc/lwn-bk4.txt b/Documentation/devicetree/bindings/misc/lwn-bk4.txt new file mode 100644 index 000000000000..d6a8c188c087 --- /dev/null +++ b/Documentation/devicetree/bindings/misc/lwn-bk4.txt @@ -0,0 +1,26 @@ +* Liebherr's BK4 controller external SPI + +A device which handles data acquisition from compatible industrial +peripherals. +The SPI is used for data and management purposes in both master and +slave modes. + +Required properties: + +- compatible : Should be "lwn,bk4" + +Required SPI properties: + +- reg : Should be address of the device chip select within + the controller. + +- spi-max-frequency : Maximum SPI clocking speed of device in Hz, should be + 30MHz at most for the Liebherr's BK4 external bus. + +Example: + +spidev0: spi@0 { + compatible = "lwn,bk4"; + spi-max-frequency = <30000000>; + reg = <0>; +}; -- 2.11.0