linux-kernel - Re: [PATCH] arm64: dts: imx8mp: use 800MHz NoC OPP for nominal drive mode

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Message-ID: <aB3RYMONiB4RQdjk@dragon>
Date: Fri, 9 May 2025 17:56:48 +0800
From: Shawn Guo <shawnguo2@...h.net>
To: Ahmad Fatoum <a.fatoum@...gutronix.de>
Cc: Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	Fabio Estevam <festevam@...il.com>, Peng Fan <peng.fan@....com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: imx8mp: use 800MHz NoC OPP for nominal drive
 mode

On Tue, Apr 22, 2025 at 09:12:35AM +0200, Ahmad Fatoum wrote:
> When running in nominal drive mode, the maximum allowed frequency for
> the NoC is 800MHz, but the OPP table for the i.MX8MP interconnect device
> listed the 1GHz operating point for the NoC, regardless of the active
> mode.
> 
> The newly introduced imx8mp-nominal.dtsi header reconfigures the clock
> controller to observe nominal drive mode limits, so have it modify the
> maximum NoC OPP as well.
> 
> Fixes: 255fbd9eabe7 ("arm64: dts: imx8mp: Add optional nominal drive mode DTSI")
> Signed-off-by: Ahmad Fatoum <a.fatoum@...gutronix.de>

Applied, thanks!