Re: [PATCH] dt-bindings: rcc: stm32: select the "secure" path for stm32mp13

From: Rob Herring
Date: Fri Jun 17 2022 - 16:41:23 EST


On Fri, Jun 17, 2022 at 09:21:40AM +0200, Alexandre TORGUE wrote:
> Hi Rob
>
> On 6/16/22 19:55, Rob Herring wrote:
> > On Mon, Jun 13, 2022 at 11:38:15AM +0200, Alexandre Torgue wrote:
> > > Like for stm32mp15, when stm32 RCC node is used to interact with a secure
> >
> > 'st,stm32mp1' is stm32mp15?
>
> Yes "st,stm32mp1-rcc" is for the STM32MP15.
>
> >
> > > context (using clock SCMI protocol), a different path has to be used for
> > > yaml verification.
> > >
> > > Signed-off-by: Alexandre Torgue <alexandre.torgue@xxxxxxxxxxx>
> > >
> > > ---
> > >
> > > Hi Rob, Krzysztof,
> > >
> > > If you agree with this patch, I'll apply it directly in my STM32 tree.
> > >
> > > Thanks
> > > Alex
> > >
> > > diff --git a/Documentation/devicetree/bindings/clock/st,stm32mp1-rcc.yaml b/Documentation/devicetree/bindings/clock/st,stm32mp1-rcc.yaml
> > > index f8c474227807..242fe922b035 100644
> > > --- a/Documentation/devicetree/bindings/clock/st,stm32mp1-rcc.yaml
> > > +++ b/Documentation/devicetree/bindings/clock/st,stm32mp1-rcc.yaml
> > > @@ -78,6 +78,7 @@ if:
> > > contains:
> > > enum:
> > > - st,stm32mp1-rcc-secure
> > > + - st,stm32mp13-rcc
> >
> > You don't need '-secure' because it's always secure?
>
> Yes. Compare to STM32MP15, the STM32MP13 is by default "secure". In our case
> it is "mapped" to OPTEE, using SCMI protocols.

Okay,

Acked-by: Rob Herring <robh@xxxxxxxxxx>