From patchwork Thu Dec 1 10:49:49 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Ferre X-Patchwork-Id: 9455811 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 1F00A6074E for ; Thu, 1 Dec 2016 10:52:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0C7FB284CE for ; Thu, 1 Dec 2016 10:52:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 01419284A2; Thu, 1 Dec 2016 10:52:54 +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, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9FE8B284A2 for ; Thu, 1 Dec 2016 10:52:54 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1cCOxi-0004P8-DC; Thu, 01 Dec 2016 10:51:34 +0000 Received: from smtpout.microchip.com ([198.175.253.82] helo=email.microchip.com) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1cCOxS-000448-UK for linux-arm-kernel@lists.infradead.org; Thu, 01 Dec 2016 10:51:20 +0000 Received: from tenerife.corp.atmel.com (10.10.76.4) by chn-sv-exch04.mchp-main.com (10.10.76.105) with Microsoft SMTP Server id 14.3.181.6; Thu, 1 Dec 2016 03:50:57 -0700 From: Nicolas Ferre To: Alexandre Belloni , Subject: [PATCH 3/3] ARM: dts: at91: sama5d2 Xplained: use DMA for UART3 Date: Thu, 1 Dec 2016 11:49:49 +0100 Message-ID: <20161201104949.23985-3-nicolas.ferre@atmel.com> X-Mailer: git-send-email 2.9.0 In-Reply-To: <20161201104949.23985-1-nicolas.ferre@atmel.com> References: <20161201104949.23985-1-nicolas.ferre@atmel.com> MIME-Version: 1.0 X-Brightmail-Tracker: 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161201_025119_350462_F2413A7B X-CRM114-Status: UNSURE ( 8.01 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Boris BREZILLON , Ludovic Desroches , Nicolas Ferre , linux-kernel@vger.kernel.org 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 Use DMA for UART3 as we have enough channels and to show how to specify DMA use with serial nodes. Signed-off-by: Nicolas Ferre --- arch/arm/boot/dts/at91-sama5d2_xplained.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts index 0b9a59d5fdac..e2d5cb3fecb1 100644 --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts @@ -256,6 +256,8 @@ }; uart3: serial@fc008000 { + atmel,use-dma-rx; + atmel,use-dma-tx; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart3_default>; status = "okay";