linux-kernel - Re: [PATCH v4 0/6] arm64: dts: freescale: imx8mp-skov: switch to nominal drive mode

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Message-ID: <4175faf6-1d41-4409-89db-dd902c966dd5@pengutronix.de>
Date: Tue, 4 Mar 2025 08:56:23 +0100
From: Ahmad Fatoum <a.fatoum@...gutronix.de>
To: Abel Vesa <abel.vesa@...aro.org>, Abel Vesa <abelvesa@...nel.org>,
 Shawn Guo <shawnguo@...nel.org>
Cc: linux-clk@...r.kernel.org, imx@...ts.linux.dev,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org,
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
 Peng Fan <peng.fan@....com>, Michael Turquette <mturquette@...libre.com>,
 Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>,
 Frank Li <Frank.li@....com>, Pengutronix Kernel Team
 <kernel@...gutronix.de>, Fabio Estevam <festevam@...il.com>,
 Marek Vasut <marex@...x.de>
Subject: Re: [PATCH v4 0/6] arm64: dts: freescale: imx8mp-skov: switch to
 nominal drive mode

Hello Abel,
Hello Shawn,

On 03.03.25 18:32, Abel Vesa wrote:
> On 25-03-03 19:31:02, Abel Vesa wrote:
>>
>> On Tue, 18 Feb 2025 19:26:40 +0100, Ahmad Fatoum wrote:
>>> Unlike the i.MX8MM and i.MX8MN SoCs added earlier, the imx8mp.dtsi
>>> configures some clocks at frequencies that are only validated for
>>> overdrive mode, i.e., when VDD_SOC is 950 mV.
>>>
>>> For the Skov i.MX8MP board, we want to run the SoC at the lower voltage of
>>> 850 mV though to reduce heat generation and power usage. For this to work,
>>> clock rates need to adhere to the limits of the nominal drive mode.
>>>
>>> [...]
>>
>> Applied, thanks!
>>
>> [1/6] dt-bindings: clock: imx8m: document nominal/overdrive properties
>>       commit: d5992f1af1550a9e11e42cfa2ca1ad2a1b7fd7f3
>> [2/6] arm64: dts: imx8mp: Add optional nominal drive mode DTSI
>>       (no commit info)
>> [3/6] arm64: dts: imx8mp: add fsl,nominal-mode property into nominal.dtsi
>>       (no commit info)
>> [4/6] arm64: dts: freescale: imx8mp-skov: configure LDB clock automatically
>>       (no commit info)
>> [5/6] arm64: dts: freescale: imx8mp-skov: operate SoC in nominal mode
>>       (no commit info)
>> [6/6] clk: imx8mp: inform CCF of maximum frequency of clocks
>>       commit: 06a61b5cb6a8638fa8823cd09b17233b29696fa2
> 
> Applied only patches 1 and 6.
> 
> My b4 setup messed up. Sorry.

Thanks for applying, Abel!

@Shawn, could the remainder of the patches go through your tree?

Thanks!
Ahmad

> 
>>
>> Best regards,
>> -- 
>> Abel Vesa <abel.vesa@...aro.org>
>>
> 


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