From patchwork Thu Feb 25 14:50:19 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 8423991 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 B0FA2C0554 for ; Thu, 25 Feb 2016 14:54:20 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 064612035B for ; Thu, 25 Feb 2016 14:54:20 +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 8A5CD20376 for ; Thu, 25 Feb 2016 14:54:18 +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 1aYxHe-00074g-MS; Thu, 25 Feb 2016 14:52:50 +0000 Received: from comal.ext.ti.com ([198.47.26.152]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1aYxFv-0005LT-LE for linux-arm-kernel@lists.infradead.org; Thu, 25 Feb 2016 14:51:04 +0000 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id u1PEofcR021819; Thu, 25 Feb 2016 08:50:41 -0600 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id u1PEofrV031111; Thu, 25 Feb 2016 08:50:41 -0600 Received: from dflp33.itg.ti.com (10.64.6.16) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.224.2; Thu, 25 Feb 2016 08:50:41 -0600 Received: from dlep32.itg.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id u1PEoUp3032668; Thu, 25 Feb 2016 08:50:39 -0600 From: Peter Ujfalusi To: Tony Lindgren , , Subject: [PATCH 03/11] ARM: DTS: dra7: Enable eDMA Date: Thu, 25 Feb 2016 16:50:19 +0200 Message-ID: <1456411827-23962-4-git-send-email-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.7.1 In-Reply-To: <1456411827-23962-1-git-send-email-peter.ujfalusi@ti.com> References: <1456411827-23962-1-git-send-email-peter.ujfalusi@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160225_065103_947912_9564F4D7 X-CRM114-Status: UNSURE ( 9.21 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) 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: Tero Kristo , devicetree@vger.kernel.org, linux-omap@vger.kernel.org, linux-kernel@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=-1.9 required=5.0 tests=BAYES_00, 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 DRA7 family has eDMA available along with the sDMA and in some cases it is better suited for servicing peripherals. Add the needed nodes for eDMA to be usable: edma-tpcc, edma-tptc0/1 and the edma-xbar. Signed-off-by: Peter Ujfalusi --- arch/arm/boot/dts/dra7.dtsi | 48 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index 114286dbee25..d2d2568b5695 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -170,6 +170,15 @@ ti,dma-safe-map = <0>; dma-masters = <&sdma>; }; + + edma_xbar: dma-router@c78 { + compatible = "ti,dra7-dma-crossbar"; + reg = <0xc78 0x7c>; + #dma-cells = <2>; + dma-requests = <204>; + ti,dma-safe-map = <0>; + dma-masters = <&edma>; + }; }; cm_core_aon: cm_core_aon@5000 { @@ -324,6 +333,45 @@ dma-requests = <127>; }; + edma: edma@43300000 { + compatible = "ti,edma3-tpcc"; + ti,hwmods = "tpcc"; + reg = <0x43300000 0x100000>; + reg-names = "edma3_cc"; + interrupts = , + , + ; + interrupt-names = "edma3_ccint", "emda3_mperr", + "edma3_ccerrint"; + dma-requests = <64>; + #dma-cells = <2>; + + ti,tptcs = <&edma_tptc0 7>, <&edma_tptc1 0>; + + /* + * memcpy is disabled, can be enabled with: + * ti,edma-memcpy-channels = <20 21>; + * for example. Note that these channels need to be + * masked in the xbar as well. + */ + }; + + edma_tptc0: tptc@43400000 { + compatible = "ti,edma3-tptc"; + ti,hwmods = "tptc0"; + reg = <0x43400000 0x100000>; + interrupts = ; + interrupt-names = "edma3_tcerrint"; + }; + + edma_tptc1: tptc@43500000 { + compatible = "ti,edma3-tptc"; + ti,hwmods = "tptc1"; + reg = <0x43500000 0x100000>; + interrupts = ; + interrupt-names = "edma3_tcerrint"; + }; + gpio1: gpio@4ae10000 { compatible = "ti,omap4-gpio"; reg = <0x4ae10000 0x200>;