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=-12.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 D0392C433E2 for ; Mon, 14 Sep 2020 14:12:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9520D216C4 for ; Mon, 14 Sep 2020 14:12:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b="xRKMTyXM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726770AbgINOLZ (ORCPT ); Mon, 14 Sep 2020 10:11:25 -0400 Received: from esa5.microchip.iphmx.com ([216.71.150.166]:19548 "EHLO esa5.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726822AbgINOKb (ORCPT ); Mon, 14 Sep 2020 10:10:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1600092631; x=1631628631; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=3vcZ3ZLnnd6S54k/d0i4PUQ85b1B7wkAsBhm1WELjkw=; b=xRKMTyXM1v15pnHKlfqByPmrhH7Yt0QLy5qnEF8xlHbGGuTA11OcYCr/ nQ7qMDXWByDjGIPSK1M9SCvzh3Si4VAsyjwZrgWO9zSbV6maFGrMmQbqK o9ILiMgyI50Kh0vh6pJAMbSutobJjLh5HPJ4ebgU+5/qnmUEb/JTZa6Zq 4xlFz9QETXO9REqd70b3Urw8YWX/VbxhrKpFJsz1mO/N8B5a7yl88CR2p nTPHQ0ZzklHo31+xU5dyT7k8N6OJpzVPoT/LUJhWBHLx9vJ2y2ugKKRRE 3u47mBIXv0yjdd3ppSkv04rCOlsfxmD1xNsqcPf8ssARsRlNxe/Th9uE9 w==; IronPort-SDR: 90DgTnYAFRQBucT4e3cNm+/hJMKFgwu5B2J/IyFUYT00CWnayQizJ3ngYiQJraAEvXuozBGWe2 prKUfcezWkEB7x2phFBJb1LjY9gl5Dhcie3MG9IiU6LPuJrluUC0I4qTXLr6Z3R3DdJKHX+dER HRcO7dQ4MKlCNJAaX7tJMZj58NP4f4Hm5G3OaYVwUJxy1L+hT6DyZefHiXADlut+r4lMXzGrrg 6WivrINUyJrnlfc/EZ7GpTPc76RONDapd4IwzjlvCOAlUlNsTfIVwYtCM9h22sdrEFzmU2Pveu 3vM= X-IronPort-AV: E=Sophos;i="5.76,426,1592895600"; d="scan'208";a="90900856" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa5.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 14 Sep 2020 07:10:31 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Mon, 14 Sep 2020 07:10:27 -0700 Received: from ROB-ULT-M18282.microchip.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.1979.3 via Frontend Transport; Mon, 14 Sep 2020 07:10:23 -0700 From: Eugen Hristev To: , , , CC: , , , , , Eugen Hristev Subject: [PATCH 6/7] dt-bindings: dmaengine: at_xdmac: add optional microchip,m2m property Date: Mon, 14 Sep 2020 17:09:55 +0300 Message-ID: <20200914140956.221432-7-eugen.hristev@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200914140956.221432-1-eugen.hristev@microchip.com> References: <20200914140956.221432-1-eugen.hristev@microchip.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add optional microchip,m2m property that specifies if a controller is dedicated to memory to memory operations only. Signed-off-by: Eugen Hristev --- Documentation/devicetree/bindings/dma/atmel-xdma.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/dma/atmel-xdma.txt b/Documentation/devicetree/bindings/dma/atmel-xdma.txt index 510b7f25ba24..642da6b95a29 100644 --- a/Documentation/devicetree/bindings/dma/atmel-xdma.txt +++ b/Documentation/devicetree/bindings/dma/atmel-xdma.txt @@ -15,6 +15,12 @@ the dmas property of client devices. interface identifier, - bit 30-24: PERID, peripheral identifier. +Optional properties: +- microchip,m2m: this controller is connected on AXI only to memory and it's + dedicated to memory to memory DMA operations. If this option is + missing, it's assumed that the DMA controller is connected to + peripherals, thus it's a per2mem and mem2per. + Example: dma1: dma-controller@f0004000 { -- 2.25.1