From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from leonov.paulk.fr (leonov.paulk.fr [185.233.101.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 66EDA2D0C9D; Mon, 18 May 2026 15:36:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.233.101.22 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779118578; cv=none; b=B6gyUIXmoYiKv4/SHnIYwrXt3gjQRhdw2jnP5kcoxacQXONT/QfXuM2pWZvUWkIlgJ+X3mqlk4Ezb4PxUjtWxdnsOclXXX4F1XgR73sveePWVgelNhKEclqnnrOb7LyZ7Edn/MszMjOhhtZwgI9M8smYkfPgFgLTJGTSxOxwM1M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779118578; c=relaxed/simple; bh=/31T6WAMjIR7AN2S3ymAQtgatmirOtaIef3/rrgW8Cw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YjSh78xJf9V3dI7o94vNe7//AcDj3kYrQ6cY5GJ+BSWJBOiADkvnS95yx7XxWNLtYd5rvauoxH4slBrtg0wkc4ieJZcmE3XUNirCaXhO21e4MOmG67cASW2ujMvug+ispk6EA8usU5ML/JBT4ZItLTSp9zpt0ruHKYe/LavViXc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sys-base.io; spf=pass smtp.mailfrom=sys-base.io; arc=none smtp.client-ip=185.233.101.22 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sys-base.io Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sys-base.io Received: from laika.paulk.fr (12.234.24.109.rev.sfr.net [109.24.234.12]) by leonov.paulk.fr (Postfix) with ESMTPS id 63B401F8004F; Mon, 18 May 2026 15:36:15 +0000 (UTC) Received: by laika.paulk.fr (Postfix, from userid 65534) id D64FDB40815; Mon, 18 May 2026 15:36:14 +0000 (UTC) X-Spam-Level: * Received: from collins (unknown [192.168.1.64]) by laika.paulk.fr (Postfix) with ESMTP id 8CFB8B407FF; Mon, 18 May 2026 15:33:42 +0000 (UTC) From: Paul Kocialkowski To: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org Cc: Yong Deng , Paul Kocialkowski , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Michael Turquette , Stephen Boyd , Brian Masney , Maxime Ripard , Paul Kocialkowski Subject: [PATCH v9 4/9] ARM: dts: sun8i: v3s: Add mbus node to represent the interconnect Date: Mon, 18 May 2026 17:33:33 +0200 Message-ID: <20260518153339.619947-5-paulk@sys-base.io> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260518153339.619947-1-paulk@sys-base.io> References: <20260518153339.619947-1-paulk@sys-base.io> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Paul Kocialkowski 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/allwinner/sun8i-v3s.dtsi | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm/boot/dts/allwinner/sun8i-v3s.dtsi b/arch/arm/boot/dts/allwinner/sun8i-v3s.dtsi index fa54510319ac..02d6c62b3874 100644 --- a/arch/arm/boot/dts/allwinner/sun8i-v3s.dtsi +++ b/arch/arm/boot/dts/allwinner/sun8i-v3s.dtsi @@ -629,6 +629,21 @@ 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>; -- 2.54.0