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Message-Id: <1408699682-21845-2-git-send-email-harinik@xilinx.com>
Date: Fri, 22 Aug 2014 14:58:02 +0530
From: Harini Katakam <harinik@...inx.com>
To: wim@...ana.be, grant.likely@...aro.org, robh+dt@...nel.org,
pawel.moll@....com, mark.rutland@....com,
ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
rob@...dley.net
Cc: michals@...inx.com, linux-watchdog@...r.kernel.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
linux-doc@...r.kernel.org, harinikatakamlinux@...il.com,
linux@...ck-us.net, svemula@...inx.com, anirudh@...inx.com,
Harini Katakam <harinik@...inx.com>
Subject: [PATCH v5 2/2] devicetree: Add Cadence WDT devicetree bindings documentation
Add cadence-wdt bindings documentation.
Signed-off-by: Harini Katakam <harinik@...inx.com>
---
v5 changes:
No changes
v4 changes:
- Change name of property "reset" to "reset-on-timeout".
- Use cdns compatible string in example.
- Improve description of clocks and interrupts.
v3 changes:
- Change reset property type and improve description.
- Improve description of clocks and interrupts.
- Use watchdog@ in the example.
- Use only cdns compatible string for now.
v2:
No changes
---
.../devicetree/bindings/watchdog/cadence-wdt.txt | 24 ++++++++++++++++++++
1 file changed, 24 insertions(+)
create mode 100644 Documentation/devicetree/bindings/watchdog/cadence-wdt.txt
diff --git a/Documentation/devicetree/bindings/watchdog/cadence-wdt.txt b/Documentation/devicetree/bindings/watchdog/cadence-wdt.txt
new file mode 100644
index 0000000..c3a36ee
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/cadence-wdt.txt
@@ -0,0 +1,24 @@
+Zynq Watchdog Device Tree Bindings
+-------------------------------------------
+
+Required properties:
+- compatible : Should be "cdns,wdt-r1p2".
+- clocks : This is pclk (APB clock).
+- interrupts : This is wd_irq - watchdog timeout interrupt.
+- interrupt-parent : Must be core interrupt controller.
+
+Optional properties
+- reset-on-timeout : If this property exists, then a reset is done
+ when watchdog times out.
+- timeout-sec : Watchdog timeout value (in seconds).
+
+Example:
+ watchdog@...05000 {
+ compatible = "cdns,wdt-r1p2";
+ clocks = <&clkc 45>;
+ interrupt-parent = <&intc>;
+ interrupts = <0 9 1>;
+ reg = <0xf8005000 0x1000>;
+ reset-on-timeout;
+ timeout-sec = <10>;
+ };
--
1.7.9.5
--
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