linux-kernel - Re: [PATCH 1/1] arm64: dts: rockchip: enable SCMI clk for RK3528 SoC

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Message-ID: <Z8m3OkHAedbQyKbu@bogus>
Date: Thu, 6 Mar 2025 14:54:50 +0000
From: Sudeep Holla <sudeep.holla@....com>
To: Chukun Pan <amadeus@....edu.cn>
Cc: Heiko Stuebner <heiko@...ech.de>, Yao Zi <ziyao@...root.org>,
	Sudeep Holla <sudeep.holla@....com>, Rob Herring <robh@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-rockchip@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH 1/1] arm64: dts: rockchip: enable SCMI clk for RK3528 SoC

On Thu, Mar 06, 2025 at 09:10:16PM +0800, Chukun Pan wrote:
> Same as RK3568, RK3528 uses SCMI clk instead of ARMCLK.
> Add SCMI clk for CPU, GPU and RNG will also use it.
> 

It is highly recommended not to use clock protocol for CPUs and GPUs
especially if the plan is to drive regulators separately. Please use
the performance protocol instead which can abstract the clock and the
regulator details for the OS.

-- 
Regards,
Sudeep