linux-kernel - Re: [PATCH RESEND v3 12/13] ARM: dts: stm32: enable optee firmware and SCMI support on STM32MP13

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Date:   Thu, 21 Apr 2022 17:23:26 +0200
From:   Alexandre TORGUE <alexandre.torgue@...s.st.com>
To:     <gabriel.fernandez@...s.st.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>
CC:     <linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RESEND v3 12/13] ARM: dts: stm32: enable optee firmware
 and SCMI support on STM32MP13

Hi Gabriel

On 3/16/22 14:09, gabriel.fernandez@...s.st.com wrote:
> From: Gabriel Fernandez <gabriel.fernandez@...s.st.com>
> 
> Enable optee and SCMI clocks support.
> 
> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@...s.st.com>
> ---
>   arch/arm/boot/dts/stm32mp131.dtsi | 37 +++++++++++++++++++++++++++++++
>   1 file changed, 37 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/stm32mp131.dtsi b/arch/arm/boot/dts/stm32mp131.dtsi
> index 262de4eeb4ed..78eac53224d4 100644
> --- a/arch/arm/boot/dts/stm32mp131.dtsi
> +++ b/arch/arm/boot/dts/stm32mp131.dtsi
> @@ -27,6 +27,43 @@ arm-pmu {
>   		interrupt-parent = <&intc>;
>   	};
>   
> +	scmi_sram: sram@...ff000 {
> +		compatible = "mmio-sram";
> +		reg = <0x2ffff000 0x1000>;
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges = <0 0x2ffff000 0x1000>;
> +
> +		scmi_shm: scmi_shm@0 {

rename to scmi-sram@0 to match with yaml description

> +			compatible = "arm,scmi-shmem";
> +			reg = <0 0x80>;
> +		};
> +	};

Can you move this sram node in Soc{ please?

> +
> +	firmware {
> +		optee {
> +			method = "smc";
> +			compatible = "linaro,optee-tz";
> +		};
> +
> +		scmi: scmi {
> +			compatible = "linaro,scmi-optee";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			linaro,optee-channel-id = <0>;
> +			shmem = <&scmi_shm>;
> +
> +			scmi_clk: protocol@14 {
> +				reg = <0x14>;
> +				#clock-cells = <1>;
> +			};
> +
> +			scmi_reset: protocol@16 {
> +				reg = <0x16>;
> +				#reset-cells = <1>;
> +			};
> +		};
> +	};
>   	clocks {
>   		clk_axi: clk-axi {
>   			#clock-cells = <0>;