This patch adds dt-binding documentation for zx2967 family
watchdog controller.
Signed-off-by: Baoyou Xie <baoyou.xie@xxxxxxxxxx>
---
.../bindings/watchdog/zte,zx2967-wdt.txt | 31 ++++++++++++++++++++++
1 file changed, 31 insertions(+)
create mode 100644 Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt
diff --git a/Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt b/Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt
new file mode 100644
index 0000000..772403a
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt
@@ -0,0 +1,31 @@
+ZTE zx2967 Watchdog timer
+
+Required properties:
+
+- compatible : should be one of the following.
+ * zte,zx296718-wdt
+- reg : Specifies base physical address and size of the registers.
+- clocks : Pairs of phandle and specifier referencing the controller's clocks.
+- resets : Reference to the reset controller controlling the watchdog
+ controller.
+
+Optional properties:
+
+- zte,wdt-reset-sysctrl : Directs how to reset system by the watchdog.
+ if we don't want to restart system when watchdog been triggered,
+ it's not required, vice versa.
+ It should include following fields.
+ * phandle of aon-sysctrl.
+ * offset of register that be written, should be 0xb0.
+ * configure value that be written to aon-sysctrl.
+ * bit mask, corresponding bits will be affected.
+
+Example:
+
+wdt: watchdog@1465000 {
+ compatible = "zte,zx296718-wdt";
+ reg = <0x1465000 0x1000>;
+ clocks = <&topcrm WDT_WCLK>;
+ resets = <&toprst 35>;
+ zte,wdt-reset-sysctrl = <&aon_sysctrl 0xb0 1 0x115>;
+};
--
2.7.4
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