linux-kernel - Re: [PATCH v7 4/6] arm64: dts: imx8mp: convert 'aips5' to 'aipstz5'

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Message-ID: <aHDNmVE23O4V4rqJ@dragon>
Date: Fri, 11 Jul 2025 16:38:49 +0800
From: Shawn Guo <shawnguo2@...h.net>
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 4/6] arm64: dts: imx8mp: convert 'aips5' to 'aipstz5'

On Tue, Jun 10, 2025 at 12:01:50PM -0400, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
> 
> AIPS5 is actually AIPSTZ5 as it offers some security-related
> configurations. Since these configurations need to be applied before
> accessing any of the peripherals on the bus, it's better to make AIPSTZ5
> be their parent instead of keeping AIPS5 and adding a child node for
> AIPSTZ5. Also, because of the security configurations, the address space
> of the bus has to be changed to that of the configuration registers.
> 
> Finally, since AIPSTZ5 belongs to the AUDIOMIX power domain, add the
> missing 'power-domains' property. The domain needs to be powered on before
> attempting to configure the security-related registers.
> 
> The DT node name is not changed to avoid potential issues with DTs in
> which this node is referenced.
> 
> Co-developed-by: Daniel Baluta <daniel.baluta@....com>
> Signed-off-by: Daniel Baluta <daniel.baluta@....com>
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
> Reviewed-by: Frank Li <Frank.Li@....com>

Patch 4 ~ 6 dropped from my tree due to the regression.

Shawn