linux-kernel - Re: [PATCH v7 6/6] arm64: dts: imx8mp: make 'dsp' node depend on 'aips5'

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Message-ID: <CAEnQRZAhsCc==X1At+s5pb1bocnVmb2sFKmzNo+gqkiWAqFHag@mail.gmail.com>
Date: Fri, 20 Jun 2025 16:25:04 +0300
From: Daniel Baluta <daniel.baluta@...il.com>
To: Laurentiu Mihalcea <laurentiumihalcea111@...il.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
	Sascha Hauer <s.hauer@...gutronix.de>, Fabio Estevam <festevam@...il.com>, 
	Daniel Baluta <daniel.baluta@....com>, Shengjiu Wang <shengjiu.wang@....com>, 
	Frank Li <Frank.Li@....com>, Marco Felsch <m.felsch@...gutronix.de>, 
	Marc Kleine-Budde <mkl@...gutronix.de>, Alexander Stein <alexander.stein@...tq-group.com>, 
	Pengutronix Kernel Team <kernel@...gutronix.de>, devicetree@...r.kernel.org, imx@...ts.linux.dev, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 6/6] arm64: dts: imx8mp: make 'dsp' node depend on 'aips5'

On Tue, Jun 10, 2025 at 7:04 PM Laurentiu Mihalcea
<laurentiumihalcea111@...il.com> wrote:
>
> From: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
>
> The DSP needs to access peripherals on AIPSTZ5 (to communicate with
> the AP using AUDIOMIX MU, for instance). To do so, the 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@....com>

Reviewed-by: Daniel Baluta <daniel.baluta@....com>