[RESEND PATCH 1/3] ARM: dts: stm32: add missed arm,num-irq-priority-bits for stm32f429

Alexandre TORGUE alexandre.torgue at foss.st.com
Fri Sep 11 07:32:12 PDT 2026


Hi Dario,

On 8/20/26 11:21, Dario Binacchi wrote:
> Add missed arm,num-irq-priority-bits to fix below CHECK_DTBS warning:
> 
> arch/arm/boot/dts/st/stm32f429-disco.dtb: interrupt-controller at e000e100 (arm,armv7m-nvic): 'arm,num-irq-priority-bits' is a required property
> 	from schema $id: http://devicetree.org/schemas/interrupt-controller/arm,nvic.yaml
> 
> Signed-off-by: Dario Binacchi <dario.binacchi at amarulasolutions.com>
> ---
> 
>   arch/arm/boot/dts/st/stm32f429.dtsi | 4 ++++
>   1 file changed, 4 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/st/stm32f429.dtsi b/arch/arm/boot/dts/st/stm32f429.dtsi
> index ad91b74ddd0d..f94500cd90cc 100644
> --- a/arch/arm/boot/dts/st/stm32f429.dtsi
> +++ b/arch/arm/boot/dts/st/stm32f429.dtsi
> @@ -794,6 +794,10 @@ rng: rng at 50060800 {
>   	};
>   };
>   
> +&nvic {
> +	arm,num-irq-priority-bits = <4>;
> +};
> +
>   &systick {
>   	clocks = <&rcc 1 SYSTICK>;
>   	status = "okay";
> ---
> base-commit: a4ff2be345d0abc943da8dd8da98151843b750dc
> branch: stm32-nvic-irq-priority-bits
> 

Do you really want this patch ? MCU boards are deprecated.

Regards
Alex



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