From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-path: Received: from mail.nic.cz ([217.31.204.67]:55349 "EHLO mail.nic.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726323AbeIXRLX (ORCPT ); Mon, 24 Sep 2018 13:11:23 -0400 From: =?UTF-8?q?Marek=20Beh=C3=BAn?= To: linux-watchdog@vger.kernel.org Cc: wim@linux-watchdog.org, Guenter Roeck , Gregory CLEMENT , =?UTF-8?q?Marek=20Beh=C3=BAn?= , Rob Herring , devicetree@vger.kernel.org Subject: [PATCH v4 2/4] dt-bindings: watchdog: Document armada-37xx-wdt binding Date: Mon, 24 Sep 2018 13:06:52 +0200 Message-Id: <20180924110654.7329-3-marek.behun@nic.cz> In-Reply-To: <20180924110654.7329-1-marek.behun@nic.cz> References: <20180924110654.7329-1-marek.behun@nic.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-watchdog-owner@vger.kernel.org List-Id: linux-watchdog@vger.kernel.org This adds device tree binding documentation for the CPU watchdog found on Armada 37xx SOCs (EspressoBin, Turris Mox). Signed-off-by: Marek Behún Cc: Rob Herring Cc: devicetree@vger.kernel.org --- .../bindings/watchdog/armada-37xx-wdt.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt diff --git a/Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt b/Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt new file mode 100644 index 000000000000..a8d00c31a1d8 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt @@ -0,0 +1,23 @@ +* Armada 37xx CPU Watchdog Timer Controller + +Required properties: +- compatible : must be "marvell,armada-3700-wdt" +- reg : base physical address of the controller and length of memory mapped + region. +- clocks : the clock feeding the watchdog timer. See clock-bindings.txt +- marvell,system-controller : reference to syscon node for the CPU Miscellaneous + Registers + +Example: + + cpu_misc: system-controller@d000 { + compatible = "marvell,armada-3700-cpu-misc", "syscon"; + reg = <0xd000 0x1000>; + }; + + wdt: watchdog@8300 { + compatible = "marvell,armada-3700-wdt"; + reg = <0x8300 0x40>; + marvell,system-controller = <&cpu_misc>; + clocks = <&xtalclk>; + }; -- 2.16.4