From patchwork Tue Nov 10 04:05:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Lee X-Patchwork-Id: 11893223 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 D57EDC55ABD for ; Tue, 10 Nov 2020 04:07:21 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 71E9B20663 for ; Tue, 10 Nov 2020 04:07:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="fGt0YYNZ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 71E9B20663 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=allwinnertech.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.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=OnOkwTlJdw/KU4+bU3Mqy8128FG27QWcqRCerW4oKmw=; b=fGt0YYNZxyGANyxrHEy/mvKwa XIpE9aOp39v+PWaaX+kUsXZOPTclUD67/a/F42YfD0hU7JSAOeZ6f/FZB5QOqAgj0wnzCviDyNDVo YD6v5wf0/8ct6aqKfhVusii/zh8AilD3q/OrtWlrxUMXmXM+zIA9cjB9Y90CfOUSDI8qjWGwx8KBb 0GbsVM/Bwr8J9AN0HlH8YwM4ezqIKLc1zeV86oR4i7hKewvL0qQC9+cOClTTgX0SyHq/CXkO/0PN4 mrLI4OfKdhq1yg4uhpeo+K7vcecsqPvz4CXq3JjOzcEYQs4vMubhtDgx/4tQTFbGvezklC+0TTaFH 2Q3DMKiNQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcKvk-0005x0-CJ; Tue, 10 Nov 2020 04:06:52 +0000 Received: from smtp2207-205.mail.aliyun.com ([121.197.207.205]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcKvL-0005kx-6T for linux-arm-kernel@lists.infradead.org; Tue, 10 Nov 2020 04:06:31 +0000 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.1478366|-1; CH=green; DM=|CONTINUE|false|; DS=CONTINUE|ham_system_inform|0.0231434-0.00763199-0.969225; FP=0|0|0|0|0|-1|-1|-1; HT=ay29a033018047199; MF=frank@allwinnertech.com; NM=1; PH=DS; RN=28; RT=28; SR=0; TI=SMTPD_---.IulFdj5_1604981159; Received: from allwinnertech.com(mailfrom:frank@allwinnertech.com fp:SMTPD_---.IulFdj5_1604981159) by smtp.aliyun-inc.com(10.147.42.135); Tue, 10 Nov 2020 12:06:22 +0800 From: Frank Lee To: vkoul@kernel.org, robh+dt@kernel.org, mripard@kernel.org, wens@csie.org, ulf.hansson@linaro.org, kishon@ti.com, wim@linux-watchdog.org, linux@roeck-us.net, dan.j.williams@intel.com, linus.walleij@linaro.org, wsa+renesas@sang-engineering.com, dianders@chromium.org, marex@denx.de, colin.king@canonical.com, rdunlap@infradead.org, krzk@kernel.org, gregkh@linuxfoundation.org, megous@megous.com, rikard.falkeborn@gmail.com, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-gpio@vger.kernel.org, tiny.windzz@gmail.com Subject: [PATCH 06/19] arm64: allwinner: a100: Add device node for DMA controller Date: Tue, 10 Nov 2020 12:05:40 +0800 Message-Id: <20201110040553.1381-7-frank@allwinnertech.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201110040553.1381-1-frank@allwinnertech.com> References: <20201110040553.1381-1-frank@allwinnertech.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201109_230627_580900_86F2D9F7 X-CRM114-Status: UNSURE ( 8.90 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Yangtao Li Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Yangtao Li The A100 SoC has a DMA controller that supports 8 DMA channels to and from various peripherals. Add a device node for it. Signed-off-by: Yangtao Li --- arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi index cc321c04f121..c34ed8045363 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi @@ -101,6 +101,18 @@ ccu: clock@3001000 { #reset-cells = <1>; }; + dma: dma-controller@3002000 { + compatible = "allwinner,sun50i-a100-dma"; + reg = <0x03002000 0x1000>; + interrupts = ; + clocks = <&ccu CLK_BUS_DMA>, <&ccu CLK_MBUS_DMA>; + clock-names = "bus", "mbus"; + dma-channels = <8>; + dma-requests = <51>; + resets = <&ccu RST_BUS_DMA>; + #dma-cells = <1>; + }; + gic: interrupt-controller@3021000 { compatible = "arm,gic-400"; reg = <0x03021000 0x1000>, <0x03022000 0x2000>,