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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 37AE2C433F5 for ; Wed, 2 Mar 2022 21:13:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=TzV54/9w6+YCaA371nTdzuz59U7vOWGpnUi3IXwOet4=; b=dHAzQ3yi91y68y k/itdUjBPKL9Wgc1rwVmWBqt5nVhDmmNqvehHsO4A9NRlWCJiZ4fv/hqV2uC/AjdO666qU+LHjjRw JD+NlBtPUr4sXIuIC05xoT2jcPs+oPUsWY8+6W0IgMYLWgJstqpHZRYQPcaZ6YWQ5JwRDKqN1SRjp l3logyzkWcj3Nf+ik3Guf9A8bJL1UFoavVXMKvR6BnVerwn5pCerFmQ0P+ohO+UvRzevTcHtEBeCO n9MkDkwLAlaSu4r+oFT+2Xx6/8G/MrOvVT3zsRPjgJVo8Wh4cqEfQuwcA0OmJWxMloll4qz43qDbn XYx92X4eQ/LodCc4V1zA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nPWGw-004CNA-RX; Wed, 02 Mar 2022 21:12:35 +0000 Received: from relay5-d.mail.gandi.net ([2001:4b98:dc4:8::225]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nPWFd-004BVz-BU for linux-arm-kernel@lists.infradead.org; Wed, 02 Mar 2022 21:11:16 +0000 Received: (Authenticated sender: paul.kocialkowski@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 9B9A31C0006; Wed, 2 Mar 2022 21:11:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1646255471; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=R3mfQJsTKwIzhZ33j4hFLjtUpRVeDi7Z2kzbSMbPQqU=; b=JwChI3+JnOYvJDzPok50uwsOA10hRN5vxxa0d3epDac5mJl08CpZE9eCKerCAjJONdO9DL x7zs4yiQLwrkFZ97VSiRhi8x0Zsw6lEhcs+aMJTejcLVGp4d8IoDTp0My+eGLeIxB9va+/ 7Og1MBhr5Y1pq/FmzIL6cv2b8zE+5MS5V3u1W2euYuy8/RftcsUisyVE7maUkMsHNdgCBQ m5lqlhwqz+7JE1W17BSTMvqb2suKJTVv+Kg0fzWz9QLfdSUpb3X+C/yrJ44fkFg/RXXmvs OmhL8geZ8v9Sms2MugpV/E/wxST58cV2U8PKKaFPjHw6SJuu7XQlyt/NEzPCIA== From: Paul Kocialkowski To: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Cc: Rob Herring , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Michael Turquette , Stephen Boyd , Frank Rowand , Maxime Ripard , Laurent Pinchart , Thomas Petazzoni , Paul Kocialkowski Subject: [PATCH v3 4/8] ARM: dts: sun8i: v3s: Add mbus node to represent the interconnect Date: Wed, 2 Mar 2022 22:10:56 +0100 Message-Id: <20220302211100.65264-5-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220302211100.65264-1-paul.kocialkowski@bootlin.com> References: <20220302211100.65264-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220302_131113_559810_F47000A0 X-CRM114-Status: GOOD ( 10.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The V3s uses the mbus interconnect to provide DRAM access for a number of blocks. The SoC can only map 2 GiB of DRAM, which is reflected in the dma-ranges property. Signed-off-by: Paul Kocialkowski --- arch/arm/boot/dts/sun8i-v3s.dtsi | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm/boot/dts/sun8i-v3s.dtsi b/arch/arm/boot/dts/sun8i-v3s.dtsi index 084323d5c61c..a966b6a9acf5 100644 --- a/arch/arm/boot/dts/sun8i-v3s.dtsi +++ b/arch/arm/boot/dts/sun8i-v3s.dtsi @@ -577,6 +577,21 @@ int_mii_phy: ethernet-phy@1 { }; }; + mbus: dram-controller@1c62000 { + compatible = "allwinner,sun8i-v3s-mbus"; + reg = <0x01c62000 0x1000>, + <0x01c63000 0x1000>; + reg-names = "mbus", "dram"; + clocks = <&ccu CLK_MBUS>, + <&ccu CLK_DRAM>, + <&ccu CLK_BUS_DRAM>; + clock-names = "mbus", "dram", "bus"; + #address-cells = <1>; + #size-cells = <1>; + dma-ranges = <0x00000000 0x40000000 0x80000000>; + #interconnect-cells = <1>; + }; + spi0: spi@1c68000 { compatible = "allwinner,sun8i-h3-spi"; reg = <0x01c68000 0x1000>; -- 2.35.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel