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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 50FF6C2D0DB for ; Sat, 25 Jan 2020 11:04:59 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 ED13620704 for ; Sat, 25 Jan 2020 11:04:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="O8ZTHH/P" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ED13620704 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=siol.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-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=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=wgK1nTCMccVieFLz3pwA/3vR4EhyjcO5Pzn/Sj3t6Kg=; b=O8ZTHH/PfebOaS Gqqnc5Vs1n+B6dmeskceJ5GLfMN+QCihJZUFURwMutjRbZk8t8yu+EzXJ7s2q4xnBRErNH2DsNX1l M8dTHV5G1lIckYzj4O/0YPsJeIlw58m8JUWuAKlKySEfK3MRhPz0UPip7C22kcUSytPoIcZji2zqs 0HmT1PzmTGIzRZhkyXo8LekQH0GQYB6bjpJWiTerQKSOXcSI3W/TjpFo976isEeSgjX03npIlzAY5 CxdLahyapgCyGpVp9IXelNhzlG5tuuUHCu/OUEclrgUl+Ahda7WeeOoGfHpoIijQir2swudMUiUOi AzL2jEM//OlgZkRiYoag==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ivJFJ-0006Vt-M9; Sat, 25 Jan 2020 11:04:57 +0000 Received: from mailoutvs43.siol.net ([185.57.226.234] helo=mail.siol.net) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ivJEX-0005qf-8N for linux-arm-kernel@lists.infradead.org; Sat, 25 Jan 2020 11:04:11 +0000 Received: from localhost (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTP id 45619520F99; Sat, 25 Jan 2020 12:04:07 +0100 (CET) X-Virus-Scanned: amavisd-new at psrvmta11.zcs-production.pri Received: from mail.siol.net ([127.0.0.1]) by localhost (psrvmta11.zcs-production.pri [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id EefBMFvBfySl; Sat, 25 Jan 2020 12:04:07 +0100 (CET) Received: from mail.siol.net (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTPS id 004BE520EEE; Sat, 25 Jan 2020 12:04:07 +0100 (CET) Received: from localhost.localdomain (cpe-194-152-20-232.static.triera.net [194.152.20.232]) (Authenticated sender: 031275009) by mail.siol.net (Postfix) with ESMTPSA id AC158520F72; Sat, 25 Jan 2020 12:04:04 +0100 (CET) From: Jernej Skrabec To: mripard@kernel.org, wens@csie.org Subject: [PATCH 3/5] arm64: dts: allwinner: a64: Add MBUS controller node Date: Sat, 25 Jan 2020 12:03:51 +0100 Message-Id: <20200125110353.591658-4-jernej.skrabec@siol.net> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200125110353.591658-1-jernej.skrabec@siol.net> References: <20200125110353.591658-1-jernej.skrabec@siol.net> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200125_030409_452045_9C9CB86A X-CRM114-Status: UNSURE ( 9.40 ) 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: mark.rutland@arm.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, robh+dt@kernel.org, mchehab@kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org A64 contains MBUS, which is the bus used by DMA devices to access system memory. MBUS controller is responsible for arbitration between channels based on set priority and can do some other things as well, like report bandwidth used. It also maps RAM region to different address than CPU. Signed-off-by: Jernej Skrabec --- arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index 862b47dc9dc9..d225ea1f3b87 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -1061,6 +1061,14 @@ pwm: pwm@1c21400 { status = "disabled"; }; + mbus: dram-controller@1c62000 { + compatible = "allwinner,sun50i-a64-mbus"; + reg = <0x01c62000 0x1000>; + clocks = <&ccu CLK_MBUS>; + dma-ranges = <0x00000000 0x40000000 0xc0000000>; + #interconnect-cells = <1>; + }; + csi: csi@1cb0000 { compatible = "allwinner,sun50i-a64-csi"; reg = <0x01cb0000 0x1000>; -- 2.25.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel