linux-kernel - [PATCH v12 5/5] dt-bindings: watchdog: Add bindings for RAVE SP watchdog driver

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Message-Id: <20171109160556.17018-6-andrew.smirnov@gmail.com>
Date:   Thu,  9 Nov 2017 08:05:56 -0800
From:   Andrey Smirnov <andrew.smirnov@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Andrey Smirnov <andrew.smirnov@...il.com>,
        devicetree@...r.kernel.org, linux-watchdog@...r.kernel.org,
        cphealy@...il.com, Lucas Stach <l.stach@...gutronix.de>,
        Nikita Yushchenko <nikita.yoush@...entembedded.com>,
        Lee Jones <lee.jones@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Pavel Machek <pavel@....cz>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh@...nel.org>, Johan Hovold <johan@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Sebastian Reichel <sebastian.reichel@...labora.co.uk>
Subject: [PATCH v12 5/5] dt-bindings: watchdog: Add bindings for RAVE SP watchdog driver

Add Device Tree bindings for RAVE SP watchdog drvier - an MFD cell of
parent RAVE SP driver (documented in
Documentation/devicetree/bindings/mfd/zii,rave-sp.txt).

Cc: linux-kernel@...r.kernel.org
Cc: devicetree@...r.kernel.org
Cc: linux-watchdog@...r.kernel.org
Cc: cphealy@...il.com
Cc: Lucas Stach <l.stach@...gutronix.de>
Cc: Nikita Yushchenko <nikita.yoush@...entembedded.com>
Cc: Lee Jones <lee.jones@...aro.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Pavel Machek <pavel@....cz>
Cc: Andy Shevchenko <andy.shevchenko@...il.com>
Cc: Guenter Roeck <linux@...ck-us.net>
Cc: Rob Herring <robh@...nel.org>
Cc: Johan Hovold <johan@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Sebastian Reichel <sebastian.reichel@...labora.co.uk>
Acked-by: Rob Herring <robh@...nel.org>
Reviewed-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Nikita Yushchenko <nikita.yoush@...entembedded.com>
Signed-off-by: Andrey Smirnov <andrew.smirnov@...il.com>
---
 .../bindings/watchdog/zii,rave-sp-wdt.txt          | 39 ++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/watchdog/zii,rave-sp-wdt.txt

diff --git a/Documentation/devicetree/bindings/watchdog/zii,rave-sp-wdt.txt b/Documentation/devicetree/bindings/watchdog/zii,rave-sp-wdt.txt
new file mode 100644
index 000000000000..ab16659e781d
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/zii,rave-sp-wdt.txt
@@ -0,0 +1,39 @@
+Zodiac Inflight Innovations RAVE Supervisory Processor Watchdog Bindings
+
+RAVE SP watchdog device is a "MFD cell" device corresponding to
+watchdog functionality of RAVE Supervisory Processor. It is expected
+that its Device Tree node is specified as a child of the node
+corresponding to the parent RAVE SP device (as documented in
+Documentation/devicetree/bindings/mfd/zii,rave-sp.txt)
+
+Required properties:
+- compatible:	Should be "zii,rave-sp-watchdog"
+
+Optional properties:
+
+- wdt-timeout:	Two byte nvmem cell specified as per
+		Documentation/devicetree/bindings/nvmem/nvmem.txt
+
+Example:
+
+	rave-sp {
+		compatible = "zii,rave-sp-rdu1";
+		current-speed = <38400>;
+
+		eeprom {
+			compatible = "zii,pic-main-eeprom";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			wdt_timeout: wdt-timeout@8E {
+				reg = <0x8E 2>;
+			};
+		};
+
+		watchdog {
+			compatible = "zii,rave-sp-watchdog";
+			nvmem-cells = <&wdt_timeout>;
+			nvmem-cell-names = "wdt-timeout";
+		};
+	}
+
-- 
2.13.6