[PATCH 3/7] arm64: dts: st: add RISAB1/2/3/4/5/6 nodes to stm32mp251.dtsi

Krzysztof Kozlowski krzk at kernel.org
Mon Feb 9 23:51:13 PST 2026


On 09/02/2026 15:59, Gatien Chevallier wrote:
> Add RISAB1/2/3/4/5/6 nodes to the stm32mp251.dtsi device tree SoC
> file.

And what is RISAB?

> 
> Signed-off-by: Gatien Chevallier <gatien.chevallier at foss.st.com>
> ---
>  arch/arm64/boot/dts/st/stm32mp251.dtsi | 48 ++++++++++++++++++++++++++++++++++
>  1 file changed, 48 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi
> index a8e6e0f77b83..e9d8338b2017 100644
> --- a/arch/arm64/boot/dts/st/stm32mp251.dtsi
> +++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi
> @@ -1733,6 +1733,54 @@ pcie at 0,0 {
>  			};
>  		};
>  
> +		risab1: risab at 420f0000 {

It appears here as node name as well, so it must be a generic name, but
I do not recall it in DT spec or my knowledge.

Best regards,
Krzysztof



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