From patchwork Thu Jun 21 11:58:19 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrea Merello X-Patchwork-Id: 10479697 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1798660365 for ; Thu, 21 Jun 2018 11:59:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 07D4528DB9 for ; Thu, 21 Jun 2018 11:59:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F0EDE290EB; Thu, 21 Jun 2018 11:59:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 98D2628DB9 for ; Thu, 21 Jun 2018 11:59:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932595AbeFUL7P (ORCPT ); Thu, 21 Jun 2018 07:59:15 -0400 Received: from mail-wm0-f65.google.com ([74.125.82.65]:55225 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933190AbeFUL6c (ORCPT ); Thu, 21 Jun 2018 07:58:32 -0400 Received: by mail-wm0-f65.google.com with SMTP id o13-v6so4674188wmf.4; Thu, 21 Jun 2018 04:58:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=8Apqd+GfKVKk1i99FPZm+Qz6t1n7y2NfsrpFch2y7tQ=; b=g9CCp1svjFwRILVTWKh2lrq7Kf9H63ec39flg9DYSdC+T4GzUVB98UzKtmnHwF1KuI UDR4Hn2fuGrmrjNEjkYoWuyZWMDMlJ1mvkOOiTYkNGGamlf2lyJiVLKZrOHp2jDGBaUa 0lppnVY2ZdLWFrEOF4hOMnpcgD3SgZ4Mhi4w5A1dJyjOYqPUbxyTEYWOd0zjhHi2G1vn hNJxcKGz4OJJLwyxYXym817kaTgcQ4YpxLNCeweIew3KnRk/EPzFvoz0j32z/vMxyOQa 0UCYZKXND4HQPSUGK6VBY6I2+HcWoMs30sca9sDjJM/uDFpArj3f8RelG7ezrFfue0Ja GS8g== 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:in-reply-to :references; bh=8Apqd+GfKVKk1i99FPZm+Qz6t1n7y2NfsrpFch2y7tQ=; b=OaqP/5xwbtX7ibi8Wf+pFy5W+UXzF+CgFgx1Pf6tLeJ6c/s2DYnob80IDjH1EsU3En WHTMl04boyMHuItBJL7vUn1MkzDUZN944oNrB14FsFt/0nQ8thyHcB4qQ6qK31yihJKw FnF49KXwA+N82aXNixSQ6iwtyWzrgZVodF8OLhJ99DAwp34doy8te3+Y/vpwtV8dLcF2 2DIOXcV1Qi2tVH+J5hApycGB/tBtSjUOjSLuh/FHckRiR3zilRhXDWZMaHF8UYF3+hUQ H6+vH1siwuP/LuvD3xlJrJchCYBIvrfPpdpx6ckh5Q+l1pbNYq25KwBvuOHAfZzB5I+T PfXg== X-Gm-Message-State: APt69E0B6JgLU4c57S6SyaBEuT1BnqlVF2L08jWPkhwltDm85YFfAhrZ B4+bq+vMFnfDb5Unt/mvuZg= X-Google-Smtp-Source: ADUXVKIEucBXLeByURzliIbiB+gQ23+SuIe1hirFw1dEAHnIY1buUWQdCBg1+irC8IJt1w9EADAJQw== X-Received: by 2002:a1c:bfc8:: with SMTP id o69-v6mr5305778wmi.8.1529582310904; Thu, 21 Jun 2018 04:58:30 -0700 (PDT) Received: from NewMoon.iit.local ([90.147.180.254]) by smtp.gmail.com with ESMTPSA id e188-v6sm13779773wmf.21.2018.06.21.04.58.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 21 Jun 2018 04:58:30 -0700 (PDT) From: Andrea Merello To: vkoul@kernel.org, dan.j.williams@intel.com, michal.simek@xilinx.com, appana.durga.rao@xilinx.com, dmaengine@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Andrea Merello , Rob Herring Subject: [PATCH v2 2/5] dt-bindings: xilinx_dma: add optional xlnx, sg-length-width property Date: Thu, 21 Jun 2018 13:58:19 +0200 Message-Id: <20180621115822.20058-2-andrea.merello@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180621115822.20058-1-andrea.merello@gmail.com> References: <20180621115822.20058-1-andrea.merello@gmail.com> Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The width of the "length register" cannot be autodetected, and it is now specified with a DT property. Add DOC for it. Cc: Rob Herring Signed-off-by: Andrea Merello --- Changes in v2: - change property name - property is now optional - cc DT maintainer --- Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt b/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt index a2b8bfaec43c..c894abe28baa 100644 --- a/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt +++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt @@ -41,6 +41,7 @@ Optional properties: - xlnx,include-sg: Tells configured for Scatter-mode in the hardware. Optional properties for AXI DMA: +- xlnx,sg-length-width: Should be the width of the length register as configured in h/w. - xlnx,mcdma: Tells whether configured for multi-channel mode in the hardware. Optional properties for VDMA: - xlnx,flush-fsync: Tells which channel to Flush on Frame sync.