[PATCH v2 1/2] bindings: ipmi: Add alert GPIO enhancement for SSIF BMC driver

[Potin Lai <potin.lai.pt@gmail.com>]

Introduce the `alert-gpios` property to define an alert pin, enabling
the BMC to notify the host when a response is available.

Signed-off-by: Potin Lai <potin.lai.pt@gmail.com>
---
 Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml b/Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml
index 02b662d780bb..7142151a3787 100644
--- a/Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml
+++ b/Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml
@@ -19,6 +19,12 @@ properties:
   reg:
     maxItems: 1
 
+  alert-gpios:
+    description:
+      GPIO pin designated for SSIF alert, used by the BMC to notify the
+      host when a response is available.
+    maxItems: 1
+
 required:
   - compatible
   - reg
@@ -27,6 +33,7 @@ additionalProperties: false
 
 examples:
   - |
+    #include <dt-bindings/gpio/gpio.h>
     i2c {
         #address-cells = <1>;
         #size-cells = <0>;
@@ -34,5 +41,6 @@ examples:
         ssif-bmc@10 {
             compatible = "ssif-bmc";
             reg = <0x10>;
+            alert-gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
         };
     };

-- 
2.31.1