From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752609AbbABTxK (ORCPT ); Fri, 2 Jan 2015 14:53:10 -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 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 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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; +}; -- 2.1.0