From patchwork Tue Oct 15 07:04:19 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: archit taneja X-Patchwork-Id: 3043651 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id BFB6FBF924 for ; Tue, 15 Oct 2013 07:05:40 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 82D9220272 for ; Tue, 15 Oct 2013 07:05:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6CE242026D for ; Tue, 15 Oct 2013 07:05:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757030Ab3JOHFc (ORCPT ); Tue, 15 Oct 2013 03:05:32 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:38346 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756865Ab3JOHFa (ORCPT ); Tue, 15 Oct 2013 03:05:30 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id r9F75NNn003555; Tue, 15 Oct 2013 02:05:23 -0500 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 r9F75MRk018964; Tue, 15 Oct 2013 02:05:23 -0500 Received: from dflp33.itg.ti.com (10.64.6.16) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.2.342.3; Tue, 15 Oct 2013 02:05:22 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id r9F75MWa007884; Tue, 15 Oct 2013 02:05:22 -0500 Received: from localhost (a0393947pc.apr.dhcp.ti.com [172.24.145.166]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id r9F75It13364; Tue, 15 Oct 2013 02:05:19 -0500 (CDT) From: Archit Taneja To: , , CC: , , , , , Archit Taneja , Andy Gross Subject: [PATCH v4 1/2] arm: dts: omap4+: Add DMM bindings Date: Tue, 15 Oct 2013 12:34:19 +0530 Message-ID: <1381820660-5501-2-git-send-email-archit@ti.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1381820660-5501-1-git-send-email-archit@ti.com> References: <1379063679-4869-1-git-send-email-archit@ti.com> <1381820660-5501-1-git-send-email-archit@ti.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 Add Dynamic Memory Manager (DMM) bindings for OMAP4 and OMAP5 devices. DMM only requires address and irq information. Add documentation for the DMM bindings. Originally worked on by Andy Gross Cc: Andy Gross Signed-off-by: Archit Taneja --- Documentation/devicetree/bindings/arm/omap/dmm.txt | 22 ++++++++++++++++++++++ arch/arm/boot/dts/omap4.dtsi | 7 +++++++ arch/arm/boot/dts/omap5.dtsi | 7 +++++++ 3 files changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/omap/dmm.txt diff --git a/Documentation/devicetree/bindings/arm/omap/dmm.txt b/Documentation/devicetree/bindings/arm/omap/dmm.txt new file mode 100644 index 0000000..8bd6d0a --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/dmm.txt @@ -0,0 +1,22 @@ +OMAP Dynamic Memory Manager (DMM) bindings + +The dynamic memory manager (DMM) is a module located immediately in front of the +SDRAM controllers (called EMIFs on OMAP). DMM manages various aspects of memory +accesses such as priority generation amongst initiators, configuration of SDRAM +interleaving, optimizing transfer of 2D block objects, and provide MMU-like page +translation for initiators which need contiguous dma bus addresses. + +Required properties: +- compatible: Should contain "ti,omap4-dmm" for OMAP4 family + Should contain "ti,omap5-dmm" for OMAP5 and DRA7x family +- reg: Contains DMM register address range (base address and length) +- interrupts: Should contain an interrupt-specifier for DMM_IRQ. +- ti,hwmods: Name of the hwmod associated to DMM, which is typically "dmm" + +Example: + +dmm@4e000000 { + compatible = "ti,omap4-dmm"; + reg = <0x4e000000 0x800>; + ti,hwmods = "dmm"; +}; diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi index 22d9f2b..b6bf288 100644 --- a/arch/arm/boot/dts/omap4.dtsi +++ b/arch/arm/boot/dts/omap4.dtsi @@ -487,6 +487,13 @@ ti,hwmods = "kbd"; }; + dmm@4e000000 { + compatible = "ti,omap4-dmm"; + reg = <0x4e000000 0x800>; + interrupts = <0 113 0x4>; + ti,hwmods = "dmm"; + }; + emif1: emif@4c000000 { compatible = "ti,emif-4d"; reg = <0x4c000000 0x100>; diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index 7cdea1b..e405458 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -604,6 +604,13 @@ ti,hwmods = "wd_timer2"; }; + dmm@4e000000 { + compatible = "ti,omap5-dmm"; + reg = <0x4e000000 0x800>; + interrupts = <0 113 0x4>; + ti,hwmods = "dmm"; + }; + emif1: emif@0x4c000000 { compatible = "ti,emif-4d5"; ti,hwmods = "emif1";