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

From: Gatien CHEVALLIER

Date: Tue Feb 10 2026 - 05:03:16 EST




On 2/10/26 08:51, Krzysztof Kozlowski wrote:
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@xxxxxxxxxxx>
---
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@0,0 {
};
};
+ risab1: risab@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

This will change as well.

Best regards,
Gatien