[PATCH v3 1/2] dt-bindings: watchdog: max63xx: Add GPIO binding

Pali Rohár
2022-07-05T00:10:50Z

GPIO is optional and used for WDI logic.

Signed-off-by: Pali Rohár <pali@kernel.org>
---
Changes in v3:
* Extend description
---
Documentation/devicetree/bindings/watchdog/maxim,max63xx.yaml | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/watchdog/maxim,max63xx.yaml b/Documentation/devicetree/bindings/watchdog/maxim,max63xx.yaml
index ab9641e845db..a0cf9e6c371d 100644
--- a/Documentation/devicetree/bindings/watchdog/maxim,max63xx.yaml
+++ b/Documentation/devicetree/bindings/watchdog/maxim,max63xx.yaml
@@ -27,6 +27,10 @@ properties:
description: This is a 1-byte memory-mapped address
maxItems: 1

+ gpios:
+ description: Optional GPIO used for controlling WDI (watchdog input) when WDI bit is not mapped to memory
+ maxItems: 1
+
required:
- compatible
- reg
--
2.20.1