[PATCH 1/4] dt-bindings: rng: add st,stm32mp25-rng support
Marek Vasut
marex at denx.de
Mon Oct 7 06:53:03 PDT 2024
On 10/7/24 3:27 PM, Gatien Chevallier wrote:
> Add RNG STM32MP25x platforms compatible. Update the clock
> properties management to support all versions.
>
> Signed-off-by: Gatien Chevallier <gatien.chevallier at foss.st.com>
> ---
> .../devicetree/bindings/rng/st,stm32-rng.yaml | 41 +++++++++++++++++--
> 1 file changed, 38 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml b/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml
> index 340d01d481d1..c92ce92b6ac9 100644
> --- a/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml
> +++ b/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml
> @@ -18,12 +18,19 @@ properties:
> enum:
> - st,stm32-rng
> - st,stm32mp13-rng
> + - st,stm32mp25-rng
>
> reg:
> maxItems: 1
>
> clocks:
> - maxItems: 1
> + minItems: 1
> + maxItems: 2
> +
> + clock-names:
> + items:
> + - const: rng_clk
> + - const: rng_hclk
>
> resets:
> maxItems: 1
> @@ -57,15 +64,43 @@ allOf:
> properties:
> st,rng-lock-conf: false
>
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - st,stm32mp25-rng
Maybe this match should be inverted, it is likely the next generation of
stm32 will also use 2 input clock into the RNG block and it will be only
the legacy MP1 that uses one clock.
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