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authorLubomir Rintel <lkundrak@v3.sk>2013-06-18 19:44:48 +0200
committerWim Van Sebroeck <wim@iguana.be>2013-07-11 22:17:30 +0200
commit938d0a840d0f97b627111fd038a735f3924fd987 (patch)
tree8a543e6f5c8d4983ceffc7e6e3adb7ee5abda48f /Documentation/devicetree
parent6e63a3a294fdf91eaaac1061a9c7a5f53d16ac25 (diff)
watchdog: Add Broadcom BCM2835 watchdog timer driver
This adds a driver for watchdog timer hardware present on Broadcom BCM2835 SoC, used in Raspberry Pi and Roku 2 devices. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Tested-by: Stephen Warren <swarren@wwwdotorg.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Cc: linux-rpi-kernel@lists.infradead.org Cc: linux-watchdog@vger.kernel.org Cc: devicetree-discuss@lists.ozlabs.org
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/watchdog/brcm,bcm2835-pm-wdog.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/brcm,bcm2835-pm-wdog.txt b/Documentation/devicetree/bindings/watchdog/brcm,bcm2835-pm-wdog.txt
index d209366b4a69..f801d71de1cd 100644
--- a/Documentation/devicetree/bindings/watchdog/brcm,bcm2835-pm-wdog.txt
+++ b/Documentation/devicetree/bindings/watchdog/brcm,bcm2835-pm-wdog.txt
@@ -5,9 +5,14 @@ Required properties:
- compatible : should be "brcm,bcm2835-pm-wdt"
- reg : Specifies base physical address and size of the registers.
+Optional properties:
+
+- timeout-sec : Contains the watchdog timeout in seconds
+
Example:
watchdog {
compatible = "brcm,bcm2835-pm-wdt";
reg = <0x7e100000 0x28>;
+ timeout-sec = <10>;
};