Commit bf12998e authored by Alain Volmat's avatar Alain Volmat Committed by Wolfram Sang
Browse files

dt-bindings: i2c: document st,stm32mp25-i2c compatible 



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: default avatarAlain Volmat <alain.volmat@foss.st.com>
Reviewed-by: default avatarConor Dooley <conor.dooley@microchip.com>
Signed-off-by: default avatarWolfram Sang <wsa@kernel.org>
parent 33a00d91

Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml

+28 −0
Original line number Diff line number Diff line
@@ -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 +42,30 @@ 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:

          minItems: 2



        interrupt-names:

          minItems: 2

    else:

      properties:

        interrupts:

          maxItems: 1



        interrupt-names:

          maxItems: 1



properties:

  compatible:

    enum:
@@ -48,6 +73,7 @@ properties: 
      - st,stm32f7-i2c

      - st,stm32mp13-i2c

      - st,stm32mp15-i2c

      - st,stm32mp25-i2c



  reg:

    maxItems: 1
@@ -56,11 +82,13 @@ properties: 
    items:

      - description: interrupt ID for I2C event

      - description: interrupt ID for I2C error

    minItems: 1



  interrupt-names:

    items:

      - const: event

      - const: error

    minItems: 1



  resets:

    maxItems: 1