From patchwork Mon Feb 15 20:57:45 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Jarzmik X-Patchwork-Id: 8318981 Return-Path: X-Original-To: patchwork-dmaengine@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 00A71C02AA for ; Mon, 15 Feb 2016 20:59:10 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 35F8E20392 for ; Mon, 15 Feb 2016 20:59:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4217D20390 for ; Mon, 15 Feb 2016 20:59:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752762AbcBOU5x (ORCPT ); Mon, 15 Feb 2016 15:57:53 -0500 Received: from smtp03.smtpout.orange.fr ([80.12.242.125]:18000 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751595AbcBOU5w (ORCPT ); Mon, 15 Feb 2016 15:57:52 -0500 Received: from belgarion.home ([109.220.94.162]) by mwinf5d58 with ME id Jkxq1s0023WBhcl03kxqlg; Mon, 15 Feb 2016 21:57:51 +0100 X-ME-Helo: belgarion.home X-ME-Date: Mon, 15 Feb 2016 21:57:51 +0100 X-ME-IP: 109.220.94.162 From: Robert Jarzmik To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Vinod Koul Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, dmaengine@vger.kernel.org Subject: [PATCH v2 1/4] dma: mmp_pdma: Add the #dma-requests DT property documentation Date: Mon, 15 Feb 2016 21:57:45 +0100 Message-Id: <1455569868-25017-1-git-send-email-robert.jarzmik@free.fr> X-Mailer: git-send-email 2.1.4 Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP For pxa based platforms, the number of requestor lines should be specified, so that the driver can check if the flow control should be activated (when a requestor line is asked for) or not. Signed-off-by: Robert Jarzmik Acked-by: Rob Herring --- Since v1: rename of property to #dma-requests modify default value to 32 as suggested by Vinod --- Documentation/devicetree/bindings/dma/mmp-dma.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/dma/mmp-dma.txt b/Documentation/devicetree/bindings/dma/mmp-dma.txt index 7a802f64e5bd..8f7364a7b349 100644 --- a/Documentation/devicetree/bindings/dma/mmp-dma.txt +++ b/Documentation/devicetree/bindings/dma/mmp-dma.txt @@ -12,6 +12,8 @@ Required properties: Optional properties: - #dma-channels: Number of DMA channels supported by the controller (defaults to 32 when not specified) +- #dma-requests: Number of DMA requestor lines supported by the controller + (defaults to 32 when not specified) "marvell,pdma-1.0" Used platforms: pxa25x, pxa27x, pxa3xx, pxa93x, pxa168, pxa910, pxa688.