From patchwork Wed Nov 26 21:27:11 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Gerlach X-Patchwork-Id: 415322 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 A046A1401D0 for ; Thu, 27 Nov 2014 08:28:56 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753023AbaKZV2k (ORCPT ); Wed, 26 Nov 2014 16:28:40 -0500 Received: from comal.ext.ti.com ([198.47.26.152]:58737 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752810AbaKZV2D (ORCPT ); Wed, 26 Nov 2014 16:28:03 -0500 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id sAQLRbT3002181; Wed, 26 Nov 2014 15:27:37 -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 sAQLRbOK019530; Wed, 26 Nov 2014 15:27:37 -0600 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.3.174.1; Wed, 26 Nov 2014 15:27:37 -0600 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id sAQLRbx6029163; Wed, 26 Nov 2014 15:27:37 -0600 Received: from localhost (j-172-22-146-2.vpn.ti.com [172.22.146.2]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id sAQLRat14829; Wed, 26 Nov 2014 15:27:36 -0600 (CST) From: Dave Gerlach To: , , , CC: Tony Lindgren , Paul Walmsley , Benoit Cousson , Kevin Hilman , Ohad Ben-Cohen , Suman Anna , Dave Gerlach Subject: [RFC PATCH 2/3] Documentation: dt: add ti,am3353-wkup-m3 bindings Date: Wed, 26 Nov 2014 15:27:11 -0600 Message-ID: <13e848f10614c0a276e54759e606210971d63fe0.1417029919.git.d-gerlach@ti.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: References: MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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; +};