[PATCH net-next v3 2/3] dt-bindings: net: wiznet,w5100: add link-gpios

Add the link-gpios property which describes an optional GPIO line that
can be wired to the LINKLED pin of the w5500 as an interrupt to detect
link status changes.

Signed-off-by: Arthur Crépin Leblond <[email protected]>
---
 Documentation/devicetree/bindings/net/wiznet,w5100.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/wiznet,w5100.yaml b/Documentation/devicetree/bindings/net/wiznet,w5100.yaml
index 641c9ddbde9e..cebf437ad3c4 100644
--- a/Documentation/devicetree/bindings/net/wiznet,w5100.yaml
+++ b/Documentation/devicetree/bindings/net/wiznet,w5100.yaml
@@ -35,6 +35,12 @@ properties:
       however, board designs may need to limit this value.
     maximum: 80000000
 
+  link-gpios:
+    description:
+      An optional GPIO line that can be wired to the LINKLED pin of the w5500
+      as an interrupt to detect link status changes.
+    maxItems: 1
+
 required:
   - compatible
   - reg
@@ -60,6 +66,7 @@ examples:
             pinctrl-0 = <&eth1_pins>;
             interrupt-parent = <&gpio>;
             interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
+            link-gpios = <&gpio 24 GPIO_ACTIVE_LOW>;
             spi-max-frequency = <30000000>;
             local-mac-address = [ a0 b0 c0 d0 e0 f0 ];
         };

-- 
2.55.0