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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 B7517ECE58D for ; Thu, 17 Oct 2019 18:37:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8878621925 for ; Thu, 17 Oct 2019 18:37:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2503175AbfJQShz (ORCPT ); Thu, 17 Oct 2019 14:37:55 -0400 Received: from mailoutvs42.siol.net ([185.57.226.233]:37998 "EHLO mail.siol.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2438951AbfJQShz (ORCPT ); Thu, 17 Oct 2019 14:37:55 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTP id 0306D52531B; Thu, 17 Oct 2019 20:37:52 +0200 (CEST) X-Virus-Scanned: amavisd-new at psrvmta10.zcs-production.pri Received: from mail.siol.net ([127.0.0.1]) by localhost (psrvmta10.zcs-production.pri [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id HYG7a9iB14RX; Thu, 17 Oct 2019 20:37:51 +0200 (CEST) Received: from mail.siol.net (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTPS id A96F652545C; Thu, 17 Oct 2019 20:37:51 +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 5AB9352544A; Thu, 17 Oct 2019 20:37:49 +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 v4 3/6] ARM: dts: sunxi: h3/h5: Add MBUS controller node Date: Thu, 17 Oct 2019 20:37:35 +0200 Message-Id: <20191017183738.68069-4-jernej.skrabec@siol.net> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191017183738.68069-1-jernej.skrabec@siol.net> References: <20191017183738.68069-1-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