Commit 0d2d67b4 authored by Gatien Chevallier's avatar Gatien Chevallier Committed by Herbert Xu
Browse files

dt-bindings: rng: introduce new compatible for STM32MP13x 



Introduce st,stm32mp13-rng compatible and add st,rng-lock-conf.

If st,rng-lock-conf is set, the RNG configuration in RNG_CR, RNG_HTCR
and RNG_NSCR will be locked. It is supported starting from the RNG
version present in the STM32MP13

Signed-off-by: default avatarGatien Chevallier <gatien.chevallier@foss.st.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 29b49013

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

+19 −1
Original line number Diff line number Diff line
@@ -15,7 +15,9 @@ maintainers: 


properties:

  compatible:

    const: st,stm32-rng

    enum:

      - st,stm32-rng

      - st,stm32mp13-rng



  reg:

    maxItems: 1
@@ -30,11 +32,27 @@ properties: 
    type: boolean

    description: If set enable the clock detection management



  st,rng-lock-conf:

    type: boolean

    description: If set, the RNG configuration in RNG_CR, RNG_HTCR and

                  RNG_NSCR will be locked.



required:

  - compatible

  - reg

  - clocks



allOf:

  - if:

      properties:

        compatible:

          contains:

            enum:

              - st,stm32-rng

    then:

      properties:

        st,rng-lock-conf: false



additionalProperties: false



examples: