From patchwork Wed May 25 18:58:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 12861546 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 AAD95C433F5 for ; Wed, 25 May 2022 19:00:57 +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=jk2CSXPXK76wo5U43AhV/RhwyCMItlbNShM3eumCYOY=; b=ejUp4JIjMNY1JS MEckCKqxXwjtlITMM9Xcv/fA+x8E3Tt7vO0UL0P5NYqohKBppK8FdTX2dgclZJAtzeaB0kbfzjl1P 5xS1L4mR95FkN2/LaKCWrck5tjJHzoJw25vKwKiUixY7epvLw2hR0Byxxin1OQ26oeLd+HfxHjMwx NXQJzzj/iwuu1GLUo+yzse8EmKEqC1BICxHeo5AvkC9ZwIXB1hU4xFWrl3pDNTMdlmc2HVgkHVU2I d6NZhW/2Rza2ZlmBxHKOU+4sVHOwVFO+xAN+nosJWr2a8TciMrdUJP6zrdGqIyfe+7zIO629Zj4yQ 432DVO/J7zbaGcQ+msWQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ntwET-00CAef-Kw; Wed, 25 May 2022 18:59:45 +0000 Received: from relay9-d.mail.gandi.net ([2001:4b98:dc4:8::229]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ntwE1-00CASi-QR for linux-arm-kernel@lists.infradead.org; Wed, 25 May 2022 18:59:19 +0000 Received: (Authenticated sender: paul.kocialkowski@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id B0BDAFF80B; Wed, 25 May 2022 18:59:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1653505153; 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=Y45YtidmQ+MGwFX9Of6So7nMJAYvcNWkssWZU76OyKw=; b=bYgeZPmYxeNbz40vp3OFZcf1uCIfbcub49GkRpU1/xkdDcjyLu+jyu5flYd8itsfKQjWTo +9Ux7QyVOka3k3qB4LPTREccj4p2HbP1bVZu7vK1USsSraPvqTxCPmvjkQJftcZPkLrXWj pbAtkj+p3OTKxpP+oVz1klChbMWBXRUZUfqzkl/BjNZCafjM8jqABd7P32GYoYq9fqu6Gj SbJl8N3vYz2H0oiQx1DBNHrlnRDtCmE5NKLig5q6MGAd/Qj1tblRqauX1N1KMhS7KCvvkl 0iF5imsfwSVOBq3C4aSo7AHLgXrGI+jhl9zG48wAyM7+Ym7mZzBGhthnVyat7Q== 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 v4 3/7] ARM: dts: sun8i: v3s: Add mbus node to represent the interconnect Date: Wed, 25 May 2022 20:58:49 +0200 Message-Id: <20220525185853.695931-4-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220525185853.695931-1-paul.kocialkowski@bootlin.com> References: <20220525185853.695931-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220525_115918_049603_559F9349 X-CRM114-Status: GOOD ( 10.54 ) 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: , 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 Reviewed-by: Samuel Holland --- 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>;