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-rw-r--r--dts/Bindings/watchdog/fsl-imx-sc-wdt.txt24
-rw-r--r--dts/Bindings/watchdog/mtk-wdt.txt1
2 files changed, 25 insertions, 0 deletions
diff --git a/dts/Bindings/watchdog/fsl-imx-sc-wdt.txt b/dts/Bindings/watchdog/fsl-imx-sc-wdt.txt
new file mode 100644
index 0000000000..02b87e92ae
--- /dev/null
+++ b/dts/Bindings/watchdog/fsl-imx-sc-wdt.txt
@@ -0,0 +1,24 @@
+* Freescale i.MX System Controller Watchdog
+
+i.MX system controller watchdog is for i.MX SoCs with system controller inside,
+the watchdog is managed by system controller, users can ONLY communicate with
+system controller from secure mode for watchdog operations, so Linux i.MX system
+controller watchdog driver will call ARM SMC API and trap into ARM-Trusted-Firmware
+for watchdog operations, ARM-Trusted-Firmware is running at secure EL3 mode and
+it will request system controller to execute the watchdog operation passed from
+Linux kernel.
+
+Required properties:
+- compatible: Should be :
+ "fsl,imx8qxp-sc-wdt"
+ followed by "fsl,imx-sc-wdt";
+
+Optional properties:
+- timeout-sec : Contains the watchdog timeout in seconds.
+
+Examples:
+
+watchdog {
+ compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt";
+ timeout-sec = <60>;
+};
diff --git a/dts/Bindings/watchdog/mtk-wdt.txt b/dts/Bindings/watchdog/mtk-wdt.txt
index 8682d6a93e..fd380eb28d 100644
--- a/dts/Bindings/watchdog/mtk-wdt.txt
+++ b/dts/Bindings/watchdog/mtk-wdt.txt
@@ -9,6 +9,7 @@ Required properties:
"mediatek,mt7622-wdt", "mediatek,mt6589-wdt": for MT7622
"mediatek,mt7623-wdt", "mediatek,mt6589-wdt": for MT7623
"mediatek,mt7629-wdt", "mediatek,mt6589-wdt": for MT7629
+ "mediatek,mt8516-wdt", "mediatek,mt6589-wdt": for MT8516
- reg : Specifies base physical address and size of the registers.