From patchwork Thu Sep 21 15:29:20 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pierre Yves MORDRET X-Patchwork-Id: 9964171 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 9ADA66020C for ; Thu, 21 Sep 2017 15:40:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8B03729207 for ; Thu, 21 Sep 2017 15:40:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7FED229219; Thu, 21 Sep 2017 15:40:48 +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=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 1219229213 for ; Thu, 21 Sep 2017 15:40:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=AmuHka8LkdFtoXoWFeduH4N5TO9sYAzyzuxa2TR2mbM=; b=dQ9RWqnGMc4gtU BKMPTiihFSFa+YaqS0r0EiAX8MV94Dod1jC//wWDdP/8ysgu8k7qoVRdHMKQj03YEIL6hqgY1Y9Mk 1fX9rnYjaSbJGjuYkDOem3NIGOZ9N2gV9TXmDdZOU6rYN8yTAvBn0Wlw77xBCgsDOM7Bq7Z4+4sDU OtIUkimnvj0DcfwRj8N4UeALPZ7MDzT8dTUFX1QbwkrEPI2NcumZcRcqlxUMsXIiTVF7givJ8bDI9 5eG9HYOTGRltldTZBM3IAKfApCVg0T6acu0owOiTA0BWBdh4up4WgVOiwGxaNHK+qys6QVOgAG6vI TVZp4MplcqKAPGd5kDTg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dv3ap-0007cr-6L; Thu, 21 Sep 2017 15:40:47 +0000 Received: from mx07-00178001.pphosted.com ([62.209.51.94]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dv3Qy-0003VU-OB for linux-arm-kernel@lists.infradead.org; Thu, 21 Sep 2017 15:30:45 +0000 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v8LFTPRm012879; Thu, 21 Sep 2017 17:29:51 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2d48cgayhp-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 21 Sep 2017 17:29:51 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 0662638; Thu, 21 Sep 2017 15:29:50 +0000 (GMT) Received: from Webmail-eu.st.com (sfhdag5node2.st.com [10.75.127.14]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id D971129C1; Thu, 21 Sep 2017 15:29:49 +0000 (GMT) Received: from localhost (10.75.127.44) by SFHDAG5NODE2.st.com (10.75.127.14) with Microsoft SMTP Server (TLS) id 15.0.1178.4; Thu, 21 Sep 2017 17:29:49 +0200 From: Pierre-Yves MORDRET To: Vinod Koul , Rob Herring , Mark Rutland , Maxime Coquelin , Alexandre Torgue , Russell King , Dan Williams , "M'boumba Cedric Madianga" , Fabrice GASNIER , Herbert Xu , Fabien DESSENNE , Amelie Delaunay , Pierre-Yves MORDRET , , , , Subject: [PATCH v5 3/4] dt-bindings: stm32-dma: add a property to handle STM32 DMAMUX Date: Thu, 21 Sep 2017 17:29:20 +0200 Message-ID: <1506007761-11621-4-git-send-email-pierre-yves.mordret@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1506007761-11621-1-git-send-email-pierre-yves.mordret@st.com> References: <1506007761-11621-1-git-send-email-pierre-yves.mordret@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.44] X-ClientProxiedBy: SFHDAG7NODE3.st.com (10.75.127.21) To SFHDAG5NODE2.st.com (10.75.127.14) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-09-21_02:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170921_083037_167315_740D98C2 X-CRM114-Status: GOOD ( 10.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP STM32 DMA controller has to exposed its number of request line to be addressed via STM32 DMAMUX. Signed-off-by: M'boumba Cedric Madianga Signed-off-by: Pierre-Yves MORDRET --- Version history: v5: v4: * get rid of st,dmamux property * number of DMA requests is exposed for DMAMUX v3: * None v2: * Typo fix --- --- Documentation/devicetree/bindings/dma/stm32-dma.txt | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/dma/stm32-dma.txt b/Documentation/devicetree/bindings/dma/stm32-dma.txt index 4408af6..77542e1 100644 --- a/Documentation/devicetree/bindings/dma/stm32-dma.txt +++ b/Documentation/devicetree/bindings/dma/stm32-dma.txt @@ -13,6 +13,7 @@ Required properties: - #dma-cells : Must be <4>. See DMA client paragraph for more details. Optional properties: +- dma-requests : Number of DMA requests supported. - resets: Reference to a reset controller asserting the DMA controller - st,mem2mem: boolean; if defined, it indicates that the controller supports memory-to-memory transfer @@ -34,12 +35,13 @@ Example: #dma-cells = <4>; st,mem2mem; resets = <&rcc 150>; + dma-requests = <8>; }; * DMA client DMA clients connected to the STM32 DMA controller must use the format -described in the dma.txt file, using a five-cell specifier for each +described in the dma.txt file, using a four-cell specifier for each channel: a phandle to the DMA controller plus the following four integer cells: 1. The channel id