From patchwork Wed Jul 22 00:01:33 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suman Anna X-Patchwork-Id: 6838781 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id AF5D99F38B for ; Wed, 22 Jul 2015 00:04:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C9FD02073C for ; Wed, 22 Jul 2015 00:04:52 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EBF46205DA for ; Wed, 22 Jul 2015 00:04:51 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZHhUu-0003y9-0s; Wed, 22 Jul 2015 00:02:56 +0000 Received: from arroyo.ext.ti.com ([192.94.94.40]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZHhU1-0003FQ-CW for linux-arm-kernel@lists.infradead.org; Wed, 22 Jul 2015 00:02:02 +0000 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id t6M01adj019034; Tue, 21 Jul 2015 19:01:36 -0500 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id t6M01asp018130; Tue, 21 Jul 2015 19:01:36 -0500 Received: from dflp33.itg.ti.com (10.64.6.16) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.3.224.2; Tue, 21 Jul 2015 19:01:03 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id t6M01au6011967; Tue, 21 Jul 2015 19:01:36 -0500 Received: from localhost (irmo.am.dhcp.ti.com [128.247.9.166]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id t6M01a919975; Tue, 21 Jul 2015 19:01:36 -0500 (CDT) From: Suman Anna To: Tony Lindgren Subject: [PATCH 3/4] ARM: dts: DRA7: Add common IOMMU nodes Date: Tue, 21 Jul 2015 19:01:33 -0500 Message-ID: <1437523294-20058-4-git-send-email-s-anna@ti.com> X-Mailer: git-send-email 2.4.4 In-Reply-To: <1437523294-20058-1-git-send-email-s-anna@ti.com> References: <1437523294-20058-1-git-send-email-s-anna@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150721_170201_535613_3167214A X-CRM114-Status: UNSURE ( 9.07 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -8.1 (--------) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, iommu@lists.linux-foundation.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The DRA7xx family of SOCs have two IPUs and one DSP processor subsystems in common. The IOMMU DT nodes have been added for these processor subsystems, and have been disabled by default. These MMUs are very similar to those on OMAP4 and OMAP5, with the only difference being the presence of a second MMU within the DSP subsystem for the EDMA port. The DSP IOMMUs also need an additional 'ti,syscon-mmuconfig' property compared to the IPU IOMMUs. NOTE: The enabling of these nodes is left to the respective board dts files. Signed-off-by: Suman Anna --- arch/arm/boot/dts/dra7.dtsi | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index 1c96729641b6..0754df4ca59c 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -911,6 +911,46 @@ status = "disabled"; }; + mmu0_dsp1: mmu@40d01000 { + compatible = "ti,dra7-dsp-iommu"; + reg = <0x40d01000 0x100>; + interrupts = ; + ti,hwmods = "mmu0_dsp1"; + #iommu-cells = <0>; + ti,syscon-mmuconfig = <&dsp1_system 0x0>; + status = "disabled"; + }; + + mmu1_dsp1: mmu@40d02000 { + compatible = "ti,dra7-dsp-iommu"; + reg = <0x40d02000 0x100>; + interrupts = ; + ti,hwmods = "mmu1_dsp1"; + #iommu-cells = <0>; + ti,syscon-mmuconfig = <&dsp1_system 0x1>; + status = "disabled"; + }; + + mmu_ipu1: mmu@58882000 { + compatible = "ti,dra7-iommu"; + reg = <0x58882000 0x100>; + interrupts = ; + ti,hwmods = "mmu_ipu1"; + #iommu-cells = <0>; + ti,iommu-bus-err-back; + status = "disabled"; + }; + + mmu_ipu2: mmu@55082000 { + compatible = "ti,dra7-iommu"; + reg = <0x55082000 0x100>; + interrupts = ; + ti,hwmods = "mmu_ipu2"; + #iommu-cells = <0>; + ti,iommu-bus-err-back; + status = "disabled"; + }; + abb_mpu: regulator-abb-mpu { compatible = "ti,abb-v3"; regulator-name = "abb_mpu";