From patchwork Fri Jan 2 19:51:58 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Gerlach X-Patchwork-Id: 5560571 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 [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id E5ED3BF6C3 for ; Fri, 2 Jan 2015 19:53:31 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CA30A20259 for ; Fri, 2 Jan 2015 19:53:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D91652024D for ; Fri, 2 Jan 2015 19:53:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752147AbbABTxJ (ORCPT ); Fri, 2 Jan 2015 14:53:09 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:42725 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752549AbbABTwj (ORCPT ); Fri, 2 Jan 2015 14:52:39 -0500 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id t02JqAoE015753; Fri, 2 Jan 2015 13:52:10 -0600 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id t02Jq9OB007165; Fri, 2 Jan 2015 13:52:09 -0600 Received: from dlep32.itg.ti.com (157.170.170.100) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.3.174.1; Fri, 2 Jan 2015 13:52:09 -0600 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id t02Jq9fj008750; Fri, 2 Jan 2015 13:52:09 -0600 Received: from localhost (dave-ubuntu.am.dhcp.ti.com [128.247.71.184]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id t02Jq9t19829; Fri, 2 Jan 2015 13:52:09 -0600 (CST) From: Dave Gerlach To: , , , CC: Benoit Cousson , Ohad Ben-Cohen , Suman Anna , Arnd Bergmann , Kevin Hilman , Tony Lindgren , Dave Gerlach Subject: [PATCH 2/3] Documentation: dt: add ti,am3353-wkup-m3 bindings Date: Fri, 2 Jan 2015 13:51:58 -0600 Message-ID: <1420228319-41085-3-git-send-email-d-gerlach@ti.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1420228319-41085-1-git-send-email-d-gerlach@ti.com> References: <1420228319-41085-1-git-send-email-d-gerlach@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=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_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 the device tree bindings document for ti,am3353-wkup-m3 which is used by the wkup_m3_rproc driver. Signed-off-by: Dave Gerlach --- .../bindings/remoteproc/wkup_m3_rproc.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/wkup_m3_rproc.txt diff --git a/Documentation/devicetree/bindings/remoteproc/wkup_m3_rproc.txt b/Documentation/devicetree/bindings/remoteproc/wkup_m3_rproc.txt new file mode 100644 index 0000000..4d64a23 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/wkup_m3_rproc.txt @@ -0,0 +1,32 @@ +Wakeup M3 Remote Proc Driver +===================== + +TI AMx3 family of devices use a Cortex M3 co-processor to help with various +low power tasks that cannot be controlled from the MPU. The CM3 requires +a firmware binary to accomplish this. The wkup_m3 remoteproc driver handles +the loading of the firmware and booting of the CM3. + +Wkup M3 Device Node: +==================== +A wkup_m3 device node is used to represent a wakeup M3 IP instance within +a SoC. + +Required properties: +-------------------- +- compatible: Should be "ti,am3353-wkup-m3" for AM33xx SoCs +- reg: Contains the wkup_m3 register address ranges for + umem and dmem. +- ti,hwmods: Name of the hwmod associated with the mailbox +- ti,no-reset-on-init: Reset is handled after fw has been loaded, not at + init of hwmod. + +Example: +-------- +/* AM33xx */ +wkup_m3: wkup_m3@44d00000 { + compatible = "ti,am3353-wkup-m3"; + reg = <0x44d00000 0x4000 /* M3 UMEM */ + 0x44d80000 0x2000>; /* M3 DMEM */ + ti,hwmods = "wkup_m3"; + ti,no-reset-on-init; +};