From patchwork Sun Sep 29 16:16:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Jernej_=C5=A0krabec?= X-Patchwork-Id: 11165695 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BCEAE76 for ; Sun, 29 Sep 2019 16:18:08 +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 9AF242082F for ; Sun, 29 Sep 2019 16:18:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="moEVhVY+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9AF242082F 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+patchwork-linux-arm=patchwork.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=DLQEEU6s40Cu1gRcY2gC1IgEdlfWJfBQl37zjRcJ+oA=; b=moEVhVY+AZvTVM mgw2aOXELFt6BsjCRoWgPoJd6NGnWQRjV/WYLovT/M+kb7RvrY5lOw5RsQo04j3qiv3yIZCov13dC qfZ4xzxtYKZ8e2yW0C7tsKF0znCz4d6NXHTZjVbP6ggTTu3fw5StwE3EtTLgzygoUeiCZXYmOuIke HMZBBqN9bLZwVWHbR3oWeNIQUPGFTBBGMw6pB7xNTKbg/9nHUC+aj7hGWkEThAzbALzxlVUgKn4V8 qfell8YFG2uV29UNYvNbaKzup32tVwFwJ3d+1H6Q3lJEdEi4B3046LeIpAx9Bof2NuWquSAwtejx3 pL+M+vKDr88oLRbA41Nw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iEbtf-0005n4-4W; Sun, 29 Sep 2019 16:18:07 +0000 Received: from mailoutvs2.siol.net ([185.57.226.193] helo=mail.siol.net) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iEbsq-00054t-Uf for linux-arm-kernel@lists.infradead.org; Sun, 29 Sep 2019 16:17:18 +0000 Received: from localhost (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTP id 9B557522063; Sun, 29 Sep 2019 18:17:15 +0200 (CEST) X-Virus-Scanned: amavisd-new at psrvmta09.zcs-production.pri Received: from mail.siol.net ([127.0.0.1]) by localhost (psrvmta09.zcs-production.pri [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id mkg5Az0yZwGS; Sun, 29 Sep 2019 18:17:15 +0200 (CEST) Received: from mail.siol.net (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTPS id 510F7521084; Sun, 29 Sep 2019 18:17:15 +0200 (CEST) Received: from localhost.localdomain (cpe-86-58-59-25.static.triera.net [86.58.59.25]) (Authenticated sender: 031275009) by mail.siol.net (Postfix) with ESMTPSA id 059D2522063; Sun, 29 Sep 2019 18:17:13 +0200 (CEST) From: Jernej Skrabec To: mripard@kernel.org, wens@csie.org Subject: [PATCH v2 3/6] ARM: dts: sunxi: h3/h5: Add MBUS controller node Date: Sun, 29 Sep 2019 18:16:50 +0200 Message-Id: <20190929161653.160158-4-jernej.skrabec@siol.net> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20190929161653.160158-1-jernej.skrabec@siol.net> References: <20190929161653.160158-1-jernej.skrabec@siol.net> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190929_091717_144134_A5EA4292 X-CRM114-Status: UNSURE ( 8.63 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.7 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [185.57.226.193 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 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, hverkuil@xs4all.nl, linux-sunxi@googlegroups.com, robh+dt@kernel.org, mchehab@kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Both, H3 and H5, contain 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/arm/boot/dts/sunxi-h3-h5.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi index eba190b3f9de..ef1d03812636 100644 --- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi +++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi @@ -109,6 +109,7 @@ compatible = "simple-bus"; #address-cells = <1>; #size-cells = <1>; + dma-ranges; ranges; display_clocks: clock@1000000 { @@ -538,6 +539,14 @@ }; }; + mbus: dram-controller@1c62000 { + compatible = "allwinner,sun8i-h3-mbus"; + reg = <0x01c62000 0x1000>; + clocks = <&ccu 113>; + dma-ranges = <0x00000000 0x40000000 0xc0000000>; + #interconnect-cells = <1>; + }; + spi0: spi@1c68000 { compatible = "allwinner,sun8i-h3-spi"; reg = <0x01c68000 0x1000>;