From: Shawn Guo <shawnguo@kernel.org>
To: Anson Huang <Anson.Huang@nxp.com>
Cc: robh+dt@kernel.org, mark.rutland@arm.com, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com,
leonard.crestez@nxp.com, daniel.baluta@nxp.com,
horia.geanta@nxp.com, peng.fan@nxp.com,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Linux-imx@nxp.com
Subject: Re: [PATCH V2] arm64: dts: imx8mn: Adjust 1.2GHz OPP voltage to OD mode
Date: Mon, 24 Feb 2020 15:51:32 +0800 [thread overview]
Message-ID: <20200224075132.GB27688@dragon> (raw)
In-Reply-To: <1582510060-12272-1-git-send-email-Anson.Huang@nxp.com>
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@nxp.com>
Applied, thanks.
WARNING: multiple messages have this Message-ID (diff)
From: Shawn Guo <shawnguo@kernel.org>
To: Anson Huang <Anson.Huang@nxp.com>
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
peng.fan@nxp.com, horia.geanta@nxp.com, daniel.baluta@nxp.com,
s.hauer@pengutronix.de, linux-kernel@vger.kernel.org,
robh+dt@kernel.org, Linux-imx@nxp.com, kernel@pengutronix.de,
leonard.crestez@nxp.com, festevam@gmail.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH V2] arm64: dts: imx8mn: Adjust 1.2GHz OPP voltage to OD mode
Date: Mon, 24 Feb 2020 15:51:32 +0800 [thread overview]
Message-ID: <20200224075132.GB27688@dragon> (raw)
In-Reply-To: <1582510060-12272-1-git-send-email-Anson.Huang@nxp.com>
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@nxp.com>
Applied, thanks.
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next prev parent reply other threads:[~2020-02-24 7:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-24 2:07 [PATCH V2] arm64: dts: imx8mn: Adjust 1.2GHz OPP voltage to OD mode Anson Huang
2020-02-24 2:07 ` Anson Huang
2020-02-24 7:51 ` Shawn Guo [this message]
2020-02-24 7:51 ` Shawn Guo
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