From patchwork Tue Jan 24 08:58:40 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baoyou Xie X-Patchwork-Id: 9534581 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B6FF660434 for ; Tue, 24 Jan 2017 09:00:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A7E71269DA for ; Tue, 24 Jan 2017 09:00:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9C84D26AE3; Tue, 24 Jan 2017 09:00:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, T_DKIM_INVALID autolearn=no version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 45F0E269DA for ; Tue, 24 Jan 2017 09:00:51 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cVwy8-00089u-4q; Tue, 24 Jan 2017 09:00:48 +0000 Received: from mail-pg0-f42.google.com ([74.125.83.42]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cVwxt-0007ce-U4 for linux-arm-kernel@lists.infradead.org; Tue, 24 Jan 2017 09:00:36 +0000 Received: by mail-pg0-f42.google.com with SMTP id 14so53373785pgg.1 for ; Tue, 24 Jan 2017 01:00:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id; bh=suDjTUDx7TVtvwl9Sk+CFh4PXsfTmjT/7SVPrP2nLqE=; b=FsB92GuPvNtn9ID3PsymHZZjNVfQY83lX+rI/oJz8QtHvLJj5yeuETe4v8Yk+cOC+/ ycjrU5ec7FH9UT4SPo6fu4dAZWEwcRPck7Tpc3n2yOaLIj1Cv86IOFbd1Wjr9zzbV0mg 53H4oKeGQwN+j6lOfqDds7WQh+J3bWddt1TK0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=suDjTUDx7TVtvwl9Sk+CFh4PXsfTmjT/7SVPrP2nLqE=; b=n1nBBD+bXkBV2YryM5QDFGyyjL+q0TB0VTv/bd9UUTuwk3yxQrXadn9Z9Pxh/ms4oC fF66fqCMISpGOmLwFmBCHqcfzhUic8hZRGYrCGwiCCBDaOmR8hUOVxIYWBgNr1sGuCKr yappV9yTiQlJ4kwio0b72cF8mNF56oD8KknPMZtaJIkQ5OiOAxBp6B8BKW9iwKuN+MJy pg1ZdJ15ccyUNCVsHTNBtr7MAjM9onQkoqdXX+KZMdniTHMt6mtlL2p7cfp2G+9jBJqg gf2plB1SFF3G+h78PADMhvwpu+wsW7Rdpwivt7mKHs9aTXQieURK/u+WYBYH7nV+mRyE 1gqg== X-Gm-Message-State: AIkVDXKRkGnKPEe09ln7b30YA1i1oymUfZzznv2KX+grhne+nO/TVpNa5bi3ezsoMT67pF8F X-Received: by 10.84.176.1 with SMTP id u1mr49607593plb.71.1485248353006; Tue, 24 Jan 2017 00:59:13 -0800 (PST) Received: from localhost.localdomain ([45.56.152.52]) by smtp.gmail.com with ESMTPSA id q5sm3653247pgf.45.2017.01.24.00.58.55 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 24 Jan 2017 00:59:12 -0800 (PST) From: Baoyou Xie To: jun.nie@linaro.org, wim@iguana.be, linux@roeck-us.net, robh+dt@kernel.org, mark.rutland@arm.com, mathieu.poirier@linaro.org Subject: [PATCH v5 1/3] dt: bindings: add documentation for zx2967 family watchdog controller Date: Tue, 24 Jan 2017 16:58:40 +0800 Message-Id: <1485248322-24299-1-git-send-email-baoyou.xie@linaro.org> X-Mailer: git-send-email 2.7.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170124_010033_997910_9D4D670E X-CRM114-Status: GOOD ( 13.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-watchdog@vger.kernel.org, xie.baoyou@zte.com.cn, linux-kernel@vger.kernel.org, chen.chaokai@zte.com.cn, wang.qiang01@zte.com.cn, baoyou.xie@linaro.org, shawnguo@kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds dt-binding documentation for zx2967 family watchdog controller. Signed-off-by: Baoyou Xie Acked-by: Rob Herring --- .../bindings/watchdog/zte,zx2967-wdt.txt | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt diff --git a/Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt b/Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt new file mode 100644 index 0000000..772403a --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt @@ -0,0 +1,31 @@ +ZTE zx2967 Watchdog timer + +Required properties: + +- compatible : should be one of the following. + * zte,zx296718-wdt +- reg : Specifies base physical address and size of the registers. +- clocks : Pairs of phandle and specifier referencing the controller's clocks. +- resets : Reference to the reset controller controlling the watchdog + controller. + +Optional properties: + +- zte,wdt-reset-sysctrl : Directs how to reset system by the watchdog. + if we don't want to restart system when watchdog been triggered, + it's not required, vice versa. + It should include following fields. + * phandle of aon-sysctrl. + * offset of register that be written, should be 0xb0. + * configure value that be written to aon-sysctrl. + * bit mask, corresponding bits will be affected. + +Example: + +wdt: watchdog@1465000 { + compatible = "zte,zx296718-wdt"; + reg = <0x1465000 0x1000>; + clocks = <&topcrm WDT_WCLK>; + resets = <&toprst 35>; + zte,wdt-reset-sysctrl = <&aon_sysctrl 0xb0 1 0x115>; +};