From patchwork Fri Aug 26 18:27:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 600436 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 41C92ECAAA3 for ; Fri, 26 Aug 2022 18:28:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229676AbiHZS2c (ORCPT ); Fri, 26 Aug 2022 14:28:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43228 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239997AbiHZS2a (ORCPT ); Fri, 26 Aug 2022 14:28:30 -0400 Received: from relay11.mail.gandi.net (relay11.mail.gandi.net [217.70.178.231]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C6B15D2B35; Fri, 26 Aug 2022 11:28:29 -0700 (PDT) Received: (Authenticated sender: paul.kocialkowski@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 5C629100004; Fri, 26 Aug 2022 18:28:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1661538508; 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=pAPHE+J9xJ05r7v5jr0vynhIIDANmU4VwLvBnnKIW90=; b=nCoNP1a9cmIqdvObGTA98qQ2004c345ptpqG5k6MKF0Kh3tCtUTrhOlPWfIEPpmI86A4ZA sOpglAc4FoeTWK8ic25R6kixynqQkPV1nRcN2C1YRqoYS36tzJWz/YjOg4oLIPtAXEOnkw DPbg++koEc1UzTojqx/XVzKvqLB3qhIiY5Zy1pAI5tnfh8QzaBH+gwYNlsUYkABZYJPBRP lagSR5XfBxlyWHtunmoan5qlwlY931xhAcq+49GawmxP1PYdIH9aaAkrLCgpyhBkAO7pzQ n8h2kzqrx8dOuQchovLnSjdjzuZLNl13dslA2r4BL9xj0fV4RFoA1fajn0kAhg== 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 v5 2/6] ARM: dts: sun8i: v3s: Add mbus node to represent the interconnect Date: Fri, 26 Aug 2022 20:27:59 +0200 Message-Id: <20220826182803.604563-3-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220826182803.604563-1-paul.kocialkowski@bootlin.com> References: <20220826182803.604563-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.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 db194c606fdc..34f7df6b3960 100644 --- a/arch/arm/boot/dts/sun8i-v3s.dtsi +++ b/arch/arm/boot/dts/sun8i-v3s.dtsi @@ -579,6 +579,21 @@ 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>;