On 11/09/2023 14:02, Gatien Chevallier wrote:
> The RNG on STM32MP13 offers upgrades like customization of its
> configuration and the conditional reset.
>
> The hardware RNG should be managed in the secure world for but it
> is supported on Linux. Therefore, is it not default enabled.
>
> Signed-off-by: Gatien Chevallier <gatien.chevallier@xxxxxxxxxxx>
> ---
> arch/arm/boot/dts/st/stm32mp131.dtsi | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/arch/arm/boot/dts/st/stm32mp131.dtsi b/arch/arm/boot/dts/st/stm32mp131.dtsi
> index ac90fcbf0c09..39db82b782eb 100644
> --- a/arch/arm/boot/dts/st/stm32mp131.dtsi
> +++ b/arch/arm/boot/dts/st/stm32mp131.dtsi
> @@ -1220,6 +1220,14 @@ mdma: dma-controller@58000000 {
> dma-requests = <48>;
> };
>
> + rng: rng@54004000 {
> + compatible = "st,stm32mp13-rng";
> + reg = <0x54004000 0x400>;
> + clocks = <&rcc RNG1_K>;
> + resets = <&rcc RNG1_R>;
> + status = "disabled";
Why? What other resources are missing?
Best regards,
Krzysztof
