From patchwork Thu Jan 30 00:03:18 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Feng Kan X-Patchwork-Id: 3555371 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 00D799F381 for ; Thu, 30 Jan 2014 00:10:25 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 46FCA201BB for ; Thu, 30 Jan 2014 00:10:24 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 60C69201B9 for ; Thu, 30 Jan 2014 00:10:23 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1W8fBy-0003Jh-Nz; Thu, 30 Jan 2014 00:09:15 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1W8fBZ-0006B9-26; Thu, 30 Jan 2014 00:08:49 +0000 Received: from [192.195.68.30] (helo=denmail01.apm.com) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1W8fBW-00069L-6G for linux-arm-kernel@lists.infradead.org; Thu, 30 Jan 2014 00:08:46 +0000 Received: from amcc.com (svdclab154.amcc.com [10.66.12.74]) by denmail01.apm.com (8.13.8/8.13.8) with ESMTP id s0U08NRE008060; Wed, 29 Jan 2014 17:08:23 -0700 Received: (from fkan@localhost) by amcc.com (8.13.8/8.12.2/Submit) id s0U05j3p014239; Wed, 29 Jan 2014 16:05:45 -0800 From: Feng Kan To: patches@apm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH V5 5/5] Documentation: power: reset: Add documentation for generic SYSCON reboot driver Date: Wed, 29 Jan 2014 16:03:18 -0800 Message-Id: <1391040198-14185-6-git-send-email-fkan@apm.com> X-Mailer: git-send-email 1.7.6.1 In-Reply-To: <1391040198-14185-1-git-send-email-fkan@apm.com> References: <1391040198-14185-1-git-send-email-fkan@apm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140129_190846_306191_D84F96E5 X-CRM114-Status: UNSURE ( 9.63 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.1 (-) Cc: Feng Kan X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 documentation for generic SYSCON reboot driver. Signed-off-by: Feng Kan --- .../bindings/power/reset/syscon-reboot.txt | 23 ++++++++++++++++++++ 1 files changed, 23 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/power/reset/syscon-reboot.txt diff --git a/Documentation/devicetree/bindings/power/reset/syscon-reboot.txt b/Documentation/devicetree/bindings/power/reset/syscon-reboot.txt new file mode 100644 index 0000000..963f3c3 --- /dev/null +++ b/Documentation/devicetree/bindings/power/reset/syscon-reboot.txt @@ -0,0 +1,23 @@ +Generic SYSCON mapped register reset driver + +This is a generic reset driver using syscon to map the reset register. +The reset is generally performed with a write to the reset register +defined by the register map pointed by syscon reference plus the offset +with the mask defined in the reboot node. + +Required properties: +- compatible: should contain "syscon-reboot" +- regmap: this is phandle to the register map node +- offset: offset in the register map for the reboot register (in bytes) +- mask: the reset value written to the reboot register (32 bit access) + +Default will be little endian mode, 32 bit access only. + +Examples: + + reboot { + compatible = "syscon-reboot"; + regmap = <®mapnode>; + offset = <0x0>; + mask = <0x1>; + };