[PATCH 3/4] watchdog: Add brcm,bcm6345-wdt device tree binding

Simon Arlott
2015-11-21T19:04:39Z

Add device tree binding for the BCM6345 watchdog.

This uses the BCM6345 timer for its warning interrupt.

Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
---
.../bindings/watchdog/brcm,bcm6345-wdt.txt | 35 ++++++++++++++++++++++
1 file changed, 35 insertions(+)
create mode 100644 Documentation/devicetree/bindings/watchdog/brcm,bcm6345-wdt.txt

diff --git a/Documentation/devicetree/bindings/watchdog/brcm,bcm6345-wdt.txt b/Documentation/devicetree/bindings/watchdog/brcm,bcm6345-wdt.txt
new file mode 100644
index 0000000..9d852d4
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/brcm,bcm6345-wdt.txt
@@ -0,0 +1,35 @@
+BCM6345 Watchdog timer
+
+Required properties:
+
+- compatible: should be "brcm,bcm63<soc>-wdt", "brcm,bcm6345-wdt"
+- reg: Specifies base physical address and size of the registers.
+- clocks: Specify the clock used for timing
+
+Optional properties:
+
+- interrupt-parent: phandle to the interrupt controller
+- interrupts: Specify the interrupt used for the watchdog timout warning
+- timeout-sec: Contains the default watchdog timeout in seconds
+
+Example:
+
+watchdog {
+ compatible = "brcm,bcm63168-wdt", "brcm,bcm6345-wdt";
+ reg = <0x1000009c 0x0c>;
+ clocks = <&periph_clk>;
+
+ interrupt-parent = <&timer>;
+ interrupts = <3>;
+ timeout-sec = <30>;
+};
+
+watchdog {
+ compatible = "brcm,bcm6318-wdt", "brcm,bcm6345-wdt";
+ reg = <0x10000068 0x0c>;
+ clocks = <&periph_clk>;
+
+ interrupt-parent = <&timer>;
+ interrupts = <3>;
+ timeout-sec = <30>;
+};
--
2.1.4

--
Simon Arlott