[PATCH 3/7] dt-bindings: i2c: document st,stm32mp25-i2c compatible

[Alain Volmat]

Add a new compatible st,stm32mp25-i2c for the STM32MP25 series which
has only one interrupt line for both events and errors and differs in
term of handling of FastModePlus.

Signed-off-by: Alain Volmat <alain.volmat at foss.st.com>
---
 .../devicetree/bindings/i2c/st,stm32-i2c.yaml | 49 +++++++++++++++----
 1 file changed, 39 insertions(+), 10 deletions(-)

diff --git a/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml b/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml
index 94b75d9f66cd..6a69bb6de23e 100644
--- a/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml
@@ -19,6 +19,7 @@ allOf:
               - st,stm32f7-i2c
               - st,stm32mp13-i2c
               - st,stm32mp15-i2c
+              - st,stm32mp25-i2c
     then:
       properties:
         i2c-scl-rising-time-ns:
@@ -41,6 +42,43 @@ allOf:
         clock-frequency:
           enum: [100000, 400000]
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - st,stm32f4-i2c
+              - st,stm32f7-i2c
+              - st,stm32mp13-i2c
+              - st,stm32mp15-i2c
+    then:
+      properties:
+        interrupts:
+          items:
+            - description: interrupt ID for I2C event
+            - description: interrupt ID for I2C error
+
+        interrupt-names:
+          items:
+            - const: event
+            - const: error
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - st,stm32mp25-i2c
+    then:
+      properties:
+        interrupts:
+          items:
+            - description: common interrupt for events and errors
+
+        interrupt-names:
+          items:
+            - const: event
+
 properties:
   compatible:
     enum:
@@ -48,20 +86,11 @@ properties:
       - st,stm32f7-i2c
       - st,stm32mp13-i2c
       - st,stm32mp15-i2c
+      - st,stm32mp25-i2c
 
   reg:
     maxItems: 1
 
-  interrupts:
-    items:
-      - description: interrupt ID for I2C event
-      - description: interrupt ID for I2C error
-
-  interrupt-names:
-    items:
-      - const: event
-      - const: error
-
   resets:
     maxItems: 1
 
-- 
2.25.1