From patchwork Wed Jul 9 02:15:49 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Feng Kan X-Patchwork-Id: 4511101 Return-Path: X-Original-To: patchwork-linux-arm@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 DA016BEEAA for ; Wed, 9 Jul 2014 02:19:37 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 082F92028D for ; Wed, 9 Jul 2014 02:19:37 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (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 285BD20259 for ; Wed, 9 Jul 2014 02:19:36 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1X4hQz-0000Fo-TU; Wed, 09 Jul 2014 02:16:37 +0000 Received: from exprod5og120.obsmtp.com ([64.18.0.137]) by bombadil.infradead.org with smtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1X4hQn-00009Z-Em for linux-arm-kernel@lists.infradead.org; Wed, 09 Jul 2014 02:16:26 +0000 Received: from mail-pd0-f176.google.com ([209.85.192.176]) (using TLSv1) by exprod5ob120.postini.com ([64.18.4.12]) with SMTP ID DSNKU7yl5PQQX7PHBwu9NZlDD9gURTMizwFD@postini.com; Tue, 08 Jul 2014 19:16:25 PDT Received: by mail-pd0-f176.google.com with SMTP id ft15so8063570pdb.7 for ; Tue, 08 Jul 2014 19:16:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=fgDEOST6wYj4TyZYtW8KrTI633htItuAiFhvOsX13wg=; b=FOu2myohffRw8NsfvJ8dEm7PiDh/fQRieqz9EGtyIZR4FFwELN3JdHMpuaUtUSh+eS NPJ9i3W7fRVKKg0neJaaL9bYhpYK/HZ5JzATo4ta6eXEKnxMIEs99j8sKZdzgeuZu3Po j1sh74sg4DtqVegH0IklMsExylsf5SdWDnjUvJ6rtNFzHfQvovZL2Bxh/XVqAbl7x0OM 8eZbP87YSxvz6dncjOp6jOpbDqt24BWlkIy6ZsBhpw4uFnXH4yZamBcmsOdMZhDQdqzp XTlAWEcwNnid+VUPGrkSr3xi6TJHZZA3ScpgYzFOZ8YM8slwlj4UzePLhLj1UPPeFGP7 6pbw== X-Gm-Message-State: ALoCoQnOZkt5emZSSh/WNdgTyzVvpNM3vfsQCVXeqH0BmeetH6ag9K023naoLmVXKkUKHndWG/0QhQRW2siGju9f4306/MnwuNMCv9ta85TK04pEecS+buKJKZ2WGge2DK4AHeCoEZPfve2Qg0Jl5+I3/A+Keu7umw== X-Received: by 10.68.139.137 with SMTP id qy9mr38587347pbb.11.1404872164104; Tue, 08 Jul 2014 19:16:04 -0700 (PDT) X-Received: by 10.68.139.137 with SMTP id qy9mr38587344pbb.11.1404872164044; Tue, 08 Jul 2014 19:16:04 -0700 (PDT) Received: from fkan-lpt.amcc.com (63-147-59-2.dia.static.qwest.net. [63.147.59.2]) by mx.google.com with ESMTPSA id ee5sm57140780pbc.47.2014.07.08.19.16.02 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 08 Jul 2014 19:16:03 -0700 (PDT) From: Feng Kan To: dbaryshkov@gmail.com, catalin.marinas@arm.com, dwmw2@infradead.org, arnd@arndb.de, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, patches@apm.com Subject: [PATCH V8 2/6] Documentation: power: reset: Add documentation for generic SYSCON reboot driver Date: Tue, 8 Jul 2014 19:15:49 -0700 Message-Id: <1404872153-3594-3-git-send-email-fkan@apm.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1404872153-3594-1-git-send-email-fkan@apm.com> References: <1404872153-3594-1-git-send-email-fkan@apm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140708_191625_525562_1C9E3DCB X-CRM114-Status: GOOD ( 11.63 ) X-Spam-Score: -3.0 (---) Cc: Feng Kan X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 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=-2.6 required=5.0 tests=BAYES_00,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 file changed, 23 insertions(+) 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..1190631 --- /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>; + };