From patchwork Fri Nov 8 10:38:49 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: SRICHARAN R X-Patchwork-Id: 289760 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 621582C00E2 for ; Fri, 8 Nov 2013 21:39:23 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756878Ab3KHKjV (ORCPT ); Fri, 8 Nov 2013 05:39:21 -0500 Received: from comal.ext.ti.com ([198.47.26.152]:50616 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756638Ab3KHKjV (ORCPT ); Fri, 8 Nov 2013 05:39:21 -0500 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id rA8Acvo6026476; Fri, 8 Nov 2013 04:38:57 -0600 Received: from DLEE70.ent.ti.com (dlee70.ent.ti.com [157.170.170.113]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id rA8Acv26026381; Fri, 8 Nov 2013 04:38:57 -0600 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.2.342.3; Fri, 8 Nov 2013 04:38:57 -0600 Received: from localhost.localdomain (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id rA8AcoSU018377; Fri, 8 Nov 2013 04:38:55 -0600 From: Sricharan R To: , , , CC: , , Subject: [PATCH 2/2] ARM: dts: doc: Document missing binding for ti-sdma controller Date: Fri, 8 Nov 2013 16:08:49 +0530 Message-ID: <1383907129-7325-2-git-send-email-r.sricharan@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1383907129-7325-1-git-send-email-r.sricharan@ti.com> References: <1383907129-7325-1-git-send-email-r.sricharan@ti.com> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The binding and support for system DMA module present in OMAP2+ Socs and DRA7 with dma-engine is already present. So adding the missing documentation for the same. Cc: Benoit Cousson Signed-off-by: Sricharan R --- Documentation/devicetree/bindings/dma/ti-sdma.txt | 28 +++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/ti-sdma.txt diff --git a/Documentation/devicetree/bindings/dma/ti-sdma.txt b/Documentation/devicetree/bindings/dma/ti-sdma.txt new file mode 100644 index 0000000..7fb2342 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/ti-sdma.txt @@ -0,0 +1,28 @@ +TI SDMA + +Required Properties: +- compatible : Should be "ti,omap2420-sdma", "ti,omap2430-sdma" for OMAP2 + Should be "ti,omap3430-sdma", "ti,omap3630-sdma" for OMAP3 + Should be "ti,omap4430-sdma" for OMAP4, OMAP5 and DRA7 +- reg: Memory map for accessing module +- interrupts: Interrupt request number from the dma controller to + interrupt controller +- dma-cells: Should be set to <1> +- dma-channels: Total number of logical DMA channels supported by the + controller +- dma-requests: Total number of dma request signals supported by the + controller + +Example: + +sdma: dma-controller@48056000 { + compatible = "ti,omap4430-sdma"; + reg = <0x48056000 0x1000>; + interrupts = <12>, + <13>, + <14>, + <15>; + #dma-cells = <1>; + #dma-channels = <32>; + #dma-requests = <64>; +};