Add the watchdog bindings for Freescale i.MX7ULP.
Signed-off-by: Anson Huang <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
---
Changes since V4:
- improve watchdog node name.
---
.../bindings/watchdog/fsl-imx7ulp-wdt.txt | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
create mode 100644
Documentation/devicetree/bindings/watchdog/fsl-imx7ulp-wdt.txt
diff --git a/Documentation/devicetree/bindings/watchdog/fsl-imx7ulp-wdt.txt
b/Documentation/devicetree/bindings/watchdog/fsl-imx7ulp-wdt.txt
new file mode 100644
index 0000000..f902508
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/fsl-imx7ulp-wdt.txt
@@ -0,0 +1,22 @@
+* Freescale i.MX7ULP Watchdog Timer (WDT) Controller
+
+Required properties:
+- compatible : Should be "fsl,imx7ulp-wdt"
+- reg : Should contain WDT registers location and length
+- interrupts : Should contain WDT interrupt
+- clocks: Should contain a phandle pointing to the gated peripheral clock.
+
+Optional properties:
+- timeout-sec : Contains the watchdog timeout in seconds
+
+Examples:
+
+wdog1: watchdog@403d0000 {
+ compatible = "fsl,imx7ulp-wdt";
+ reg = <0x403d0000 0x10000>;
+ interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&pcc2 IMX7ULP_CLK_WDG1>;
+ assigned-clocks = <&pcc2 IMX7ULP_CLK_WDG1>;
+ assigned-clocks-parents = <&scg1 IMX7ULP_CLK_FIRC_BUS_CLK>;
+ timeout-sec = <40>;
+};
--
2.7.4
