From patchwork Tue Mar 15 02:58:41 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Courbot X-Patchwork-Id: 8585071 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 E89619F3D1 for ; Tue, 15 Mar 2016 03:09:30 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2667D2024C for ; Tue, 15 Mar 2016 03:09:30 +0000 (UTC) Received: from bombadil.infradead.org (unknown [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 3D9EC2025A for ; Tue, 15 Mar 2016 03:09:29 +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 1affDR-0001jN-2T; Tue, 15 Mar 2016 03:00:13 +0000 Received: from hqemgate14.nvidia.com ([216.228.121.143]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1affCx-0000rT-75 for linux-arm-kernel@lists.infradead.org; Tue, 15 Mar 2016 02:59:44 +0000 Received: from hqnvupgp08.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com id ; Mon, 14 Mar 2016 19:58:56 -0700 Received: from hqemhub03.nvidia.com ([172.20.150.15]) by hqnvupgp08.nvidia.com (PGP Universal service); Mon, 14 Mar 2016 19:58:14 -0700 X-PGP-Universal: processed; by hqnvupgp08.nvidia.com on Mon, 14 Mar 2016 19:58:14 -0700 Received: from percival.nvidia.com (172.20.144.16) by hqemhub03.nvidia.com (172.20.150.15) with Microsoft SMTP Server (TLS) id 8.3.406.0; Mon, 14 Mar 2016 19:58:59 -0700 From: Alexandre Courbot To: Stephen Warren , Thierry Reding Subject: [PATCH v2 2/5] dt-bindings: gk20a: Document iommus property Date: Tue, 15 Mar 2016 11:58:41 +0900 Message-ID: <1458010724-10945-3-git-send-email-acourbot@nvidia.com> X-Mailer: git-send-email 2.7.2 In-Reply-To: <1458010724-10945-1-git-send-email-acourbot@nvidia.com> References: <1458010724-10945-1-git-send-email-acourbot@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160314_195943_400517_F128D935 X-CRM114-Status: UNSURE ( 8.55 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -6.9 (------) 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, gnurou@gmail.com, linux-kernel@vger.kernel.org, Alexandre Courbot , linux-tegra@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=-3.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RDNS_NONE,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 GK20A can optionally make use of an IOMMU. Signed-off-by: Alexandre Courbot Acked-by: Rob Herring --- Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt b/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt index 914f0ff4020e..1e3748337319 100644 --- a/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt +++ b/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt @@ -24,6 +24,9 @@ Required properties: - reset-names: Must include the following entries: - gpu +Optional properties: +- iommus: A reference to the IOMMU. See ../iommu/iommu.txt for details. + Example: gpu@0,57000000 { @@ -39,5 +42,6 @@ Example: clock-names = "gpu", "pwr"; resets = <&tegra_car 184>; reset-names = "gpu"; + iommus = <&mc TEGRA_SWGROUP_GPU>; status = "disabled"; };