From patchwork Thu Sep 20 06:41:13 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Long Cheng X-Patchwork-Id: 10607093 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9DF51913 for ; Thu, 20 Sep 2018 07:03:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 81AAB2D066 for ; Thu, 20 Sep 2018 07:03:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 71EDF2D06A; Thu, 20 Sep 2018 07:03:15 +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=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 5C73D2D066 for ; Thu, 20 Sep 2018 07:03:13 +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:Cc: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:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=mY1PtOrSVY0cjv7HM7315HO185h+BL+9e39ZnHHLKeM=; b=lVfnAeAgTHlC15 X3vFGLzakHc56sH9bDltq2VBJdKHhGXg5DzFRmsplMPifMINVJETbMbYghL4PjeMDVuQMg8ud6Xd/ dbEpioFh8jXNt9sWsfAp42hmM3ClEQtClqMjXj9zf3YNpFs51OucOWPH9tD3ILQLJSVAKmg3Olcxe KSrSHPrI+9uNPUs07tYcWHjcZdYBrbXgqVBNtXoj24bCAqDL8ztWgFMwXHWtkqYa+TX3fzG6cVmoe wsa5St1Ax1MEfMN1pnjappyTXWq2Pc/QU7XYiwyqFC46vJqIUgLJ20g96cJSgHBvO56/lHylgA7+f yAYJCM4FITzhjOmpI7lQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1g2szU-0000dm-E8; Thu, 20 Sep 2018 07:03:08 +0000 Received: from [210.61.82.184] (helo=mailgw02.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1g2sfb-0000Q0-5I; Thu, 20 Sep 2018 06:44:29 +0000 X-UUID: cc4217cc7bda4031bcb4beb688954a51-20180920 Received: from mtkcas09.mediatek.inc [(172.21.101.178)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 531484861; Thu, 20 Sep 2018 14:41:40 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Thu, 20 Sep 2018 14:41:39 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1210.3 via Frontend Transport; Thu, 20 Sep 2018 14:41:38 +0800 From: Long Cheng To: Vinod Koul , Rob Herring , Mark Rutland Subject: [PATCH 4/4] arm: dts: mt2701: add uart APDMA to device tree Date: Thu, 20 Sep 2018 14:41:13 +0800 Message-ID: <1537425673-18807-5-git-send-email-long.cheng@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1537425673-18807-1-git-send-email-long.cheng@mediatek.com> References: <1537425673-18807-1-git-send-email-long.cheng@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180919_234235_523703_98F1A2D3 X-CRM114-Status: GOOD ( 10.92 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com, Greg Kroah-Hartman , linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, Long Cheng , linux-mediatek@lists.infradead.org, linux-serial@vger.kernel.org, Jiri Slaby , Matthias Brugger , Yingjoe Chen , Dan Williams , Ed Blake , linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 1. add uart APDMA controller device node 2. add uart 0/1/2/3 DMA function 3. uart0 is console, So disable DMA 4. enable uart2 port to test DMA function. Signed-off-by: Long Cheng --- arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 50 +++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi index 593ddc7..ff94437 100644 --- a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi @@ -299,6 +299,9 @@ interrupts = ; clocks = <&baud_clk>, <&sys_clk>; clock-names = "baud", "bus"; + dmas = <&apdma 10 + &apdma 11>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -366,6 +369,38 @@ status = "disabled"; }; + apdma: dma-controller@11000400 { + compatible = "mediatek,mt2712-uart-dma", + "mediatek,mt6577-uart-dma"; + reg = <0 0x11000400 0 0x80>, + <0 0x11000480 0 0x80>, + <0 0x11000500 0 0x80>, + <0 0x11000580 0 0x80>, + <0 0x11000600 0 0x80>, + <0 0x11000680 0 0x80>, + <0 0x11000700 0 0x80>, + <0 0x11000780 0 0x80>, + <0 0x11000800 0 0x80>, + <0 0x11000880 0 0x80>, + <0 0x11000900 0 0x80>, + <0 0x11000980 0 0x80>; + interrupts = , + , + , + , + , + , + , + , + , + , + , + ; + clocks = <&pericfg CLK_PERI_AP_DMA>; + clock-names = "apdma"; + #dma-cells = <1>; + }; + uart0: serial@11002000 { compatible = "mediatek,mt2712-uart", "mediatek,mt6577-uart"; @@ -373,6 +408,9 @@ interrupts = ; clocks = <&baud_clk>, <&sys_clk>; clock-names = "baud", "bus"; + dmas = <&apdma 0 + &apdma 1>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -383,6 +421,9 @@ interrupts = ; clocks = <&baud_clk>, <&sys_clk>; clock-names = "baud", "bus"; + dmas = <&apdma 2 + &apdma 3>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -393,6 +434,9 @@ interrupts = ; clocks = <&baud_clk>, <&sys_clk>; clock-names = "baud", "bus"; + dmas = <&apdma 4 + &apdma 5>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -403,6 +447,9 @@ interrupts = ; clocks = <&baud_clk>, <&sys_clk>; clock-names = "baud", "bus"; + dmas = <&apdma 6 + &apdma 7>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -503,6 +550,9 @@ interrupts = ; clocks = <&baud_clk>, <&sys_clk>; clock-names = "baud", "bus"; + dmas = <&apdma 8 + &apdma 9>; + dma-names = "tx", "rx"; status = "disabled"; };