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SubjectRe: [PATCH 6/8] ARM: dts: stm32: enable optee firmware and SCMI support on STM32MP15
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On 4/25/22 12:19, Etienne CARRIERE wrote:
> Hello Marek,

Hi,

>> From: Marek Vasut <marex@denx.de>
>>
>>> On 4/22/22 17:09, Alexandre Torgue wrote:
>>> Enable optee and SCMI clocks/reset protocols support.
>>>
>>> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
>>>
>>> diff --git a/arch/arm/boot/dts/stm32mp151.dtsi
>>> b/arch/arm/boot/dts/stm32mp151.dtsi
>>> index 7fdc324b3cf9..1b2fd3426a81 100644
>>> --- a/arch/arm/boot/dts/stm32mp151.dtsi
>>> +++ b/arch/arm/boot/dts/stm32mp151.dtsi
>>> @@ -115,6 +115,33 @@
>>>                 status = "disabled";
>>>         };
>>>
>>> +     firmware {
>>> +             optee: optee {
>>> +                     compatible = "linaro,optee-tz";
>>> +                     method = "smc";
>>> +                     status = "disabled";
>>> +             };
>>
>> Doesn't this TEE node get automatically generated and patched into DT by
>> the TEE ? I think OpTee-OS does that.
>
> OP-TEE OS does that if it gets passed the DT from early boot stage which is not always the case.

Shouldn't that be something to fix ?

I think R-Car3 does that already.

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