Re: [PATCH v2 1/2] dt-bindings: rtc: stm32: introduce new st,stm32mp25-rtc compatible
From: Rob Herring (Arm)
Date: Tue Jul 09 2024 - 13:01:43 EST
On Mon, 08 Jul 2024 17:34:33 +0200, Valentin Caron wrote:
> Introduce new st,stm32mp25-rtc compatible. It is based on st,stm32mp1-rtc.
>
> Difference is that stm32mp25 soc implements a triple protection on RTC
> registers:
> - Secure bit based protection
> - Privileged context based protection
> - Compartment ID filtering based protection
> This driver will now check theses configurations before probing to avoid
> exceptions and fake reads on register.
>
> Link: https://www.st.com/resource/en/reference_manual/rm0457-stm32mp25xx-advanced-armbased-3264bit-mpus-stmicroelectronics.pdf#page=4081
> Signed-off-by: Valentin Caron <valentin.caron@xxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/rtc/st,stm32-rtc.yaml | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>