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 X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7BAA1ECE599 for ; Wed, 16 Oct 2019 19:28:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 570F32053B for ; Wed, 16 Oct 2019 19:28:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2436736AbfJPT21 (ORCPT ); Wed, 16 Oct 2019 15:28:27 -0400 Received: from mailoutvs51.siol.net ([185.57.226.242]:46337 "EHLO mail.siol.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2436616AbfJPT21 (ORCPT ); Wed, 16 Oct 2019 15:28:27 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTP id 8DC465244B4; Wed, 16 Oct 2019 21:28:24 +0200 (CEST) X-Virus-Scanned: amavisd-new at psrvmta11.zcs-production.pri Received: from mail.siol.net ([127.0.0.1]) by localhost (psrvmta11.zcs-production.pri [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id dK_l9uSgvmns; Wed, 16 Oct 2019 21:28:24 +0200 (CEST) Received: from mail.siol.net (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTPS id 4190A524462; Wed, 16 Oct 2019 21:28:24 +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 E755F524452; Wed, 16 Oct 2019 21:28:21 +0200 (CEST) From: Jernej Skrabec To: mripard@kernel.org, wens@csie.org Cc: robh+dt@kernel.org, mark.rutland@arm.com, mchehab@kernel.org, hverkuil@xs4all.nl, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-sunxi@googlegroups.com Subject: [PATCH v3 3/6] ARM: dts: sunxi: h3/h5: Add MBUS controller node Date: Wed, 16 Oct 2019 21:28:04 +0200 Message-Id: <20191016192807.1278987-4-jernej.skrabec@siol.net> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191016192807.1278987-1-jernej.skrabec@siol.net> References: <20191016192807.1278987-1-jernej.skrabec@siol.net> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.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 =3D "simple-bus"; #address-cells =3D <1>; #size-cells =3D <1>; + dma-ranges; ranges; =20 display_clocks: clock@1000000 { @@ -544,6 +545,14 @@ }; }; =20 + mbus: dram-controller@1c62000 { + compatible =3D "allwinner,sun8i-h3-mbus"; + reg =3D <0x01c62000 0x1000>; + clocks =3D <&ccu 113>; + dma-ranges =3D <0x00000000 0x40000000 0xc0000000>; + #interconnect-cells =3D <1>; + }; + spi0: spi@1c68000 { compatible =3D "allwinner,sun8i-h3-spi"; reg =3D <0x01c68000 0x1000>; --=20 2.23.0