From patchwork Wed Oct 23 22:13:29 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: 11207905 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 1F1A1112B for ; Wed, 23 Oct 2019 22:14:28 +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 F1DC521A4C for ; Wed, 23 Oct 2019 22:14:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="JUMtfNeg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F1DC521A4C 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=Mrkl4lAMNJkVnp2ojkecdNoFrL2IbnQ/lC2EplpvbXU=; b=JUMtfNegNkKOLW Hnqv/uhDVfcKX5su/oA3n0mwAQkz2UXC7zlsj06S43z6aK50V2uFasTQ3Qbfqws+ZlMpjq2ieM3+X Xwz6sZoRrjOezeVGYX2c/Fju0W8BbmMq6xrdf+gcytiGJECCDCuXx+LQ1LHzJyRI34mo/uuRCGc0g ohsok2ae/YPq/93UXPtSrx4qvrtcu+1TXEjTVe2FsGMp4hJw4hUqCdemmoD0yR0f4vIHo53p4ShUO YJT/tWQH9RVG5oiOp7gjZEMrHgOsGVuWre1yi76OYcam7KzI2H9WChlOkadbGzTPu1zXS/VvGQBZf Sr9TT5VsDBbbYxkOFFww==; 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 1iNOtd-0005Tn-TV; Wed, 23 Oct 2019 22:14:25 +0000 Received: from mailoutvs27.siol.net ([185.57.226.218] helo=mail.siol.net) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iNOt7-0004wm-IU for linux-arm-kernel@lists.infradead.org; Wed, 23 Oct 2019 22:13:55 +0000 Received: from localhost (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTP id C122E523296; Thu, 24 Oct 2019 00:13:49 +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 HSLJu33wNG5n; Thu, 24 Oct 2019 00:13:49 +0200 (CEST) Received: from mail.siol.net (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTPS id 7BB47523102; Thu, 24 Oct 2019 00:13:49 +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 31B9F523296; Thu, 24 Oct 2019 00:13:47 +0200 (CEST) From: Jernej Skrabec To: mripard@kernel.org, wens@csie.org Subject: [PATCH v5 3/6] ARM: dts: sunxi: h3/h5: Add MBUS controller node Date: Thu, 24 Oct 2019 00:13:29 +0200 Message-Id: <20191023221332.3674175-4-jernej.skrabec@siol.net> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191023221332.3674175-1-jernej.skrabec@siol.net> References: <20191023221332.3674175-1-jernej.skrabec@siol.net> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191023_151353_767615_601995E8 X-CRM114-Status: UNSURE ( 8.85 ) 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 [185.57.226.218 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. Acked-by: Maxime Ripard 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 107eeafad20a..66bee3bea633 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 { @@ -544,6 +545,14 @@ }; }; + 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>;