[PATCH 3/4] dt-bindings: i2c-stm32: add SMBus Alert bindings

[Alain Volmat]

Add a new binding of the i2c-stm32f7 driver to enable the handling
of the SMBUS-Alert

Signed-off-by: Alain Volmat <alain.volmat@xxxxxx>
---
 Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml b/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml
index b50a2f420b36..04c0882c3661 100644
--- a/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml
@@ -36,6 +36,10 @@ allOf:
                 minItems: 3
                 maxItems: 3
 
+        st,smbus-alert:
+          description: Enable the SMBus Alert feature
+          $ref: /schemas/types.yaml#/definitions/flag
+
   - if:
       properties:
         compatible:
-- 
2.17.1