Re: [PATCH 5/5] arm64: dts: imx8mp: make 'dsp' node depend on 'aips5'

[Frank Li]

On Fri, Feb 21, 2025 at 02:19:09PM -0500, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea@xxxxxxx>
>
> The DSP may want to access peripherals on AIPSTZ5. To do so, the

It'd better descript as

The DSP need access ... at ... case.

Frank

> security-related registers of the bridge have to be configured before
> the DSP is started. Enforce a dependency on AIPSTZ5 by adding the
> 'access-controllers' property to the 'dsp' node.
>
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@xxxxxxx>
> ---
>  arch/arm64/boot/dts/freescale/imx8mp.dtsi | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> index a1d9b834d2da..9ec51e7e6678 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -2423,6 +2423,7 @@ dsp: dsp@3b6e8000 {
>  			mboxes = <&mu2 2 0>, <&mu2 2 1>,
>  				<&mu2 3 0>, <&mu2 3 1>;
>  			memory-region = <&dsp_reserved>;
> +			access-controllers = <&aips5>;
>  			status = "disabled";
>  		};
>  	};
> --
> 2.34.1
>