From patchwork Mon May 9 16:44:07 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: 9047981 Return-Path: X-Original-To: patchwork-linux-arm@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 DCB17BF29F for ; Mon, 9 May 2016 16:50:34 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 11BF5200D6 for ; Mon, 9 May 2016 16:50:34 +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 45F9020142 for ; Mon, 9 May 2016 16:50:33 +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 1azoMo-0005TG-3S; Mon, 09 May 2016 16:49:10 +0000 Received: from smtp-3.sys.kth.se ([2001:6b0:1:1300:250:56ff:fea6:2de2]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1azoM0-0004ci-9J for linux-arm-kernel@lists.infradead.org; Mon, 09 May 2016 16:48:25 +0000 Received: from smtp-3.sys.kth.se (localhost.localdomain [127.0.0.1]) by smtp-3.sys.kth.se (Postfix) with ESMTP id 875B41F1C; Mon, 9 May 2016 18:47:43 +0200 (CEST) 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 Jo1gZRHTuggE; Mon, 9 May 2016 18:47:38 +0200 (CEST) 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 46CB01C13; Mon, 9 May 2016 18:47:38 +0200 (CEST) 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, hch@infradead.org Subject: [PATCHv6 8/8] ARM: dts: r8a7791: add iommus to dmac0 and dmac1 Date: Mon, 9 May 2016 18:44:07 +0200 Message-Id: <1462812247-3414-9-git-send-email-niklas.soderlund+renesas@ragnatech.se> X-Mailer: git-send-email 2.8.2 In-Reply-To: <1462812247-3414-1-git-send-email-niklas.soderlund+renesas@ragnatech.se> References: <1462812247-3414-1-git-send-email-niklas.soderlund+renesas@ragnatech.se> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160509_094820_814161_2D56C99B X-CRM114-Status: UNSURE ( 7.88 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -3.5 (---) 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: linux-arch@vger.kernel.org, =?UTF-8?q?Niklas=20S=C3=B6derlund?= , geert+renesas@glider.be, arnd@arndb.de, linus.walleij@linaro.org, laurent.pinchart@ideasonboard.com, dan.j.williams@intel.com, robin.murphy@arm.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-6.3 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 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 4f01b64..dc81c90 100644 --- a/arch/arm/boot/dts/r8a7791.dtsi +++ b/arch/arm/boot/dts/r8a7791.dtsi @@ -313,6 +313,21 @@ 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 { @@ -344,6 +359,21 @@ 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 {