linux-kernel - Re: [PATCH 6/8] ARM: dts: stm32: enable optee firmware and SCMI support on STM32MP15

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Message-ID: <174bea56-3e99-e01c-4133-f1350d34448d@denx.de>
Date:   Fri, 22 Apr 2022 18:32:59 +0200
From:   Marek Vasut <marex@...x.de>
To:     Alexandre Torgue <alexandre.torgue@...s.st.com>, arnd@...db.de,
        robh+dt@...nel.org, Krzysztof Kozlowski <krzk+dt@...nel.org>,
        soc@...nel.org, Stephen Boyd <sboyd@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>
Cc:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-kernel@...r.kernel.org,
        Ahmad Fatoum <a.fatoum@...gutronix.de>, etienne.carriere@...com
Subject: Re: [PATCH 6/8] ARM: dts: stm32: enable optee firmware and SCMI
 support on STM32MP15

On 4/22/22 17:09, Alexandre Torgue wrote:
> Enable optee and SCMI clocks/reset protocols support.
> 
> Signed-off-by: Alexandre Torgue <alexandre.torgue@...s.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.