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

From: Alain Volmat
Date: Wed Nov 29 2023 - 08:02:13 EST


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@xxxxxxxxxxx>
---
.../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