From patchwork Tue Feb 16 20:39:44 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Niklas_S=C3=B6derlund?= X-Patchwork-Id: 8331561 X-Patchwork-Delegate: horms@verge.net.au Return-Path: X-Original-To: patchwork-linux-renesas-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 7A847C02AE for ; Tue, 16 Feb 2016 20:42:13 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7613D202A1 for ; Tue, 16 Feb 2016 20:42:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BA08920272 for ; Tue, 16 Feb 2016 20:42:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932494AbcBPUlh (ORCPT ); Tue, 16 Feb 2016 15:41:37 -0500 Received: from smtp-3.sys.kth.se ([130.237.48.192]:58101 "EHLO smtp-3.sys.kth.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932225AbcBPUkR (ORCPT ); Tue, 16 Feb 2016 15:40:17 -0500 Received: from smtp-3.sys.kth.se (localhost.localdomain [127.0.0.1]) by smtp-3.sys.kth.se (Postfix) with ESMTP id E152D1A9; Tue, 16 Feb 2016 21:40:14 +0100 (CET) X-Virus-Scanned: by amavisd-new at kth.se Received: from smtp-3.sys.kth.se ([127.0.0.1]) by smtp-3.sys.kth.se (smtp-3.sys.kth.se [127.0.0.1]) (amavisd-new, port 10024) with LMTP id gnZptTl2quM3; Tue, 16 Feb 2016 21:40:13 +0100 (CET) X-KTH-Auth: niso [89.233.230.99] X-KTH-mail-from: niklas.soderlund+renesas@ragnatech.se Received: from bismarck.berto.se (dynamic.0.6.79d1f80.14cc20ac3a53.cust.bredband2.com [89.233.230.99]) by smtp-3.sys.kth.se (Postfix) with ESMTPSA id 2BFB527B4; Tue, 16 Feb 2016 21:40:13 +0100 (CET) From: =?UTF-8?q?Niklas=20S=C3=B6derlund?= To: vinod.koul@intel.com, linux-renesas-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, iommu@lists.linux-foundation.org Cc: robin.murphy@arm.com, laurent.pinchart@ideasonboard.com, geert+renesas@glider.be, linus.walleij@linaro.org, dan.j.williams@intel.com, arnd@arndb.de, linux-arch@vger.kernel.org, =?UTF-8?q?Niklas=20S=C3=B6derlund?= Subject: [PATCH v4 8/8] ARM: dts: r8a7791: add iommus to dmac0 and dmac1 Date: Tue, 16 Feb 2016 21:39:44 +0100 Message-Id: <1455655184-14478-9-git-send-email-niklas.soderlund+renesas@ragnatech.se> X-Mailer: git-send-email 2.7.1 In-Reply-To: <1455655184-14478-1-git-send-email-niklas.soderlund+renesas@ragnatech.se> References: <1455655184-14478-1-git-send-email-niklas.soderlund+renesas@ragnatech.se> MIME-Version: 1.0 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 A unconfirmed hardware bug prevents channel 0 and 15 to be used by the DMAC together with the IPMMU. The DMAC driver will disable the channels reducing the effective number of channels to 14 per DMAC. Signed-off-by: Niklas Söderlund Acked-by: Laurent Pinchart --- arch/arm/boot/dts/r8a7791.dtsi | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi index 2a369dd..6dff061 100644 --- a/arch/arm/boot/dts/r8a7791.dtsi +++ b/arch/arm/boot/dts/r8a7791.dtsi @@ -283,6 +283,21 @@ power-domains = <&cpg_clocks>; #dma-cells = <1>; dma-channels = <15>; + iommus = <&ipmmu_ds 0>, + <&ipmmu_ds 1>, + <&ipmmu_ds 2>, + <&ipmmu_ds 3>, + <&ipmmu_ds 4>, + <&ipmmu_ds 5>, + <&ipmmu_ds 6>, + <&ipmmu_ds 7>, + <&ipmmu_ds 8>, + <&ipmmu_ds 9>, + <&ipmmu_ds 10>, + <&ipmmu_ds 11>, + <&ipmmu_ds 12>, + <&ipmmu_ds 13>, + <&ipmmu_ds 14>; }; dmac1: dma-controller@e6720000 { @@ -314,6 +329,21 @@ power-domains = <&cpg_clocks>; #dma-cells = <1>; dma-channels = <15>; + iommus = <&ipmmu_ds 15>, + <&ipmmu_ds 16>, + <&ipmmu_ds 17>, + <&ipmmu_ds 18>, + <&ipmmu_ds 19>, + <&ipmmu_ds 20>, + <&ipmmu_ds 21>, + <&ipmmu_ds 22>, + <&ipmmu_ds 23>, + <&ipmmu_ds 24>, + <&ipmmu_ds 25>, + <&ipmmu_ds 26>, + <&ipmmu_ds 27>, + <&ipmmu_ds 28>, + <&ipmmu_ds 29>; }; audma0: dma-controller@ec700000 {