From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-path: From: =?UTF-8?q?Marek=20Beh=C3=BAn?= To: linux-watchdog@vger.kernel.org Cc: wim@linux-watchdog.org, Guenter Roeck , Miquel Raynal , Gregory CLEMENT , =?UTF-8?q?Marek=20Beh=C3=BAn?= , Rob Herring , devicetree@vger.kernel.org Subject: [PATCH v3 2/4] dt-bindings: watchdog: Document armada-37xx-wdt binding Date: Fri, 7 Sep 2018 15:05:51 +0200 Message-Id: <20180907130553.14271-3-marek.behun@nic.cz> In-Reply-To: <20180907130553.14271-1-marek.behun@nic.cz> References: <20180907130553.14271-1-marek.behun@nic.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit List-ID: 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..4ba9e40ad386 --- /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 = "syscon", "simple-mfd"; + reg = <0xd000 0x1000>; + }; + + wdt: watchdog-timer@8300 { + compatible = "marvell,armada-3700-wdt"; + reg = <0x8300 0x40>; + marvell,system-controller = <&cpu_misc>; + clocks = <&xtalclk>; + }; -- 2.16.4