linux-kernel - Re: [PATCH v3 1/1] arm64: dts: rockchip: rk3528: Add CPU frequency scaling support

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Message-Id: <20250905070002.320775-1-amadeus@jmu.edu.cn>
Date: Fri,  5 Sep 2025 15:00:02 +0800
From: Chukun Pan <amadeus@....edu.cn>
To: amadeus@....edu.cn
Cc: conor+dt@...nel.org,
	devicetree@...r.kernel.org,
	heiko@...ech.de,
	jonas@...boo.se,
	krzk+dt@...nel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	robh@...nel.org,
	ziyao@...root.org
Subject: Re: [PATCH v3 1/1] arm64: dts: rockchip: rk3528: Add CPU frequency scaling support

Hi,

> By default, the CPUs on RK3528 operates at 1.5GHz. Add CPU frequency and
> voltage mapping to the device tree to enable dynamic scaling via cpufreq.
>
> The OPP values come from downstream kernel[1], using a voltage close to
> the actual frequency. Frequencies below 1.2GHz have been removed due to
> the same voltage.

Are there any issues with this patch?

Thanks,
Chukun