From: Naidu Tellapati <naidu.tellapati@xxxxxxxxx>
Add the devicetree binding document for ImgTec PDC Watchdog Timer.
Reviewed-by: Andrew Bresticker <abrestic@xxxxxxxxxxxx>
Signed-off-by: Naidu Tellapati <Naidu.Tellapati@xxxxxxxxxx>
Signed-off-by: Jude Abraham <Jude.Abraham@xxxxxxxxx>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@xxxxxxxxxx>
---
.../devicetree/bindings/watchdog/imgpdc-wdt.txt | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
create mode 100644 Documentation/devicetree/bindings/watchdog/imgpdc-wdt.txt
diff --git a/Documentation/devicetree/bindings/watchdog/imgpdc-wdt.txt b/Documentation/devicetree/bindings/watchdog/imgpdc-wdt.txt
new file mode 100644
index 0000000..b2fa11f
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/imgpdc-wdt.txt
@@ -0,0 +1,19 @@
+*ImgTec PowerDown Controller (PDC) Watchdog Timer (WDT)
+
+Required properties:
+- compatible : Should be "img,pdc-wdt"
+- reg : Should contain WDT registers location and length
+- clocks: Must contain an entry for each entry in clock-names.
+- clock-names: Should contain "wdt" and "sys"; the watchdog counter
+ clock and register interface clock respectively.
+- interrupts : Should contain WDT interrupt
+
+Examples:
+
+watchdog@18102100 {
+ compatible = "img,pdc-wdt";
+ reg = <0x18102100 0x100>;
+ clocks = <&pdc_wdt_clk>, <&sys_clk>;
+ clock-names = "wdt", "sys";
+ interrupts = <0 52 IRQ_TYPE_LEVEL_HIGH>;
+};
--
2.2.1
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