From patchwork Tue Mar 8 02:42:53 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: 593801 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 021A8140B0D for ; Tue, 8 Mar 2016 13:47:49 +1100 (AEDT) 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 1ad7ew-0003ou-Vd; Tue, 08 Mar 2016 02:46:06 +0000 Received: from smtp-4.sys.kth.se ([2001:6b0:1:1300:250:56ff:fea6:2de3]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ad7dp-0001h6-UA for linux-arm-kernel@lists.infradead.org; Tue, 08 Mar 2016 02:45:03 +0000 Received: from smtp-4.sys.kth.se (localhost.localdomain [127.0.0.1]) by smtp-4.sys.kth.se (Postfix) with ESMTP id 0CAFE317A; Tue, 8 Mar 2016 03:44:17 +0100 (CET) X-Virus-Scanned: by amavisd-new at kth.se Received: from smtp-4.sys.kth.se ([127.0.0.1]) by smtp-4.sys.kth.se (smtp-4.sys.kth.se [127.0.0.1]) (amavisd-new, port 10024) with LMTP id DmeqGPeu8wT2; Tue, 8 Mar 2016 03:44:16 +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-4.sys.kth.se (Postfix) with ESMTPSA id 4C0F22FFE; Tue, 8 Mar 2016 03:44:15 +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 Subject: [PATCH v5 8/9] ARM: dts: r8a7790: add iommus to dmac0 and dmac1 Date: Tue, 8 Mar 2016 03:42:53 +0100 Message-Id: <1457404974-1800-9-git-send-email-niklas.soderlund+renesas@ragnatech.se> X-Mailer: git-send-email 2.7.2 In-Reply-To: <1457404974-1800-1-git-send-email-niklas.soderlund+renesas@ragnatech.se> References: <1457404974-1800-1-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-20160307_184458_508712_D4E947BA X-CRM114-Status: UNSURE ( 7.60 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -3.5 (---) X-Spam-Report: SpamAssassin version 3.4.0 on bombadil.infradead.org summary: Content analysis details: (-3.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [2001:6b0:1:1300:250:56ff:fea6:2de3 listed in] [list.dnswl.org] 0.7 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail) -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list 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+incoming-imx=patchwork.ozlabs.org@lists.infradead.org List-Id: linux-imx-kernel.lists.patchwork.ozlabs.org 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/r8a7790.dtsi | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi index 26772f7..c600daa 100644 --- a/arch/arm/boot/dts/r8a7790.dtsi +++ b/arch/arm/boot/dts/r8a7790.dtsi @@ -294,6 +294,21 @@ 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 { @@ -325,6 +340,21 @@ 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 {