Property "fsl,suspend-in-wait" suspends watchdog in "WAIT" mode which
corresponds to Linux's Suspend-to-Idle S0 mode. If this property is not
set and the device is put into Suspend-to-Idle mode, the watchdog
triggers a reset after 128 seconds.
Signed-off-by: Andrej Picej <andrej.picej@xxxxxxxxx>
Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx>
---
Changes in v2:
- add a commit message,
- add a list of devices which support this functionality
---
.../bindings/watchdog/fsl-imx-wdt.yaml | 22 +++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml
index fb7695515be1..9289de97859b 100644
--- a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml
@@ -55,6 +55,28 @@ properties:
If present, the watchdog device is configured to assert its
external reset (WDOG_B) instead of issuing a software reset.
+ fsl,suspend-in-wait:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description: |
+ If present, the watchdog device is suspended in WAIT mode
+ (Suspend-to-Idle). Only supported on following devices:
+ - "fsl,imx25-wdt",
+ - "fsl,imx35-wdt",
+ - "fsl,imx50-wdt",
+ - "fsl,imx51-wdt",
+ - "fsl,imx53-wdt",
+ - "fsl,imx6q-wdt",
+ - "fsl,imx6sl-wdt",
+ - "fsl,imx6sll-wdt",
+ - "fsl,imx6sx-wdt",
+ - "fsl,imx6ul-wdt",
+ - "fsl,imx7d-wdt",
+ - "fsl,imx8mm-wdt",
+ - "fsl,imx8mn-wdt",
+ - "fsl,imx8mp-wdt",
+ - "fsl,imx8mq-wdt",
+ - "fsl,vf610-wdt".
+
required:
- compatible
- interrupts
--
2.25.1
