linux-kernel - Re: [PATCH V2] arm64: dts: imx8mn: Adjust 1.2GHz OPP voltage to OD mode

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Date:   Mon, 24 Feb 2020 15:51:32 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Anson Huang <Anson.Huang@....com>
Cc:     robh+dt@...nel.org, mark.rutland@....com, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, leonard.crestez@....com,
        daniel.baluta@....com, horia.geanta@....com, peng.fan@....com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Linux-imx@....com
Subject: Re: [PATCH V2] arm64: dts: imx8mn: Adjust 1.2GHz OPP voltage to OD
 mode

On Mon, Feb 24, 2020 at 10:07:40AM +0800, Anson Huang wrote:
> According to latest datasheet Rev.0, 10/2019, there is restriction
> as below:
> 
> "If VDD_SOC/GPU/DDR = 0.95V, then VDD_ARM must be >= 0.95V."
> 
> As by default SoC is running at OD mode(VDD_SOC = 0.95V), so
> VDD_ARM 1.2GHz OPP's voltage should be increased to 0.95V.
> 
> Signed-off-by: Anson Huang <Anson.Huang@....com>

Applied, thanks.