From: Martin Kepplinger <martink@posteo.de>
To: "Guido Günther" <agx@sigxcpu.org>,
"Rob Herring" <robh+dt@kernel.org>,
"Shawn Guo" <shawnguo@kernel.org>,
"Sascha Hauer" <s.hauer@pengutronix.de>,
"Pengutronix Kernel Team" <kernel@pengutronix.de>,
"Fabio Estevam" <festevam@gmail.com>,
"NXP Linux Team" <linux-imx@nxp.com>,
"Angus Ainslie (Purism)" <angus@akkea.ca>,
"Abel Vesa" <abel.vesa@nxp.com>,
"Anson Huang" <Anson.Huang@nxp.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] arm64: dts: imx8mq-librem5-devkit: Use 0.9V for VDD_GPU
Date: Mon, 23 Mar 2020 20:17:56 +0100 [thread overview]
Message-ID: <4cd156bb-ada6-7638-86ce-10b8e69b47a2@posteo.de> (raw)
In-Reply-To: <d9bfb11e3d66376792089d54d7d52fe3778efa33.1584636213.git.agx@sigxcpu.org>
On 19.03.20 17:46, Guido Günther wrote:
> According to the imx8mq data sheet running VDD_GPU at 0.9V is enough
> when not overclocking to 1GHz (which we currently don't do).
>
> Signed-off-by: Guido Günther <agx@sigxcpu.org>
> ---
> arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
> index c47a26cf8e43..736b250bc9c2 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
> @@ -318,7 +318,7 @@
> regulator-min-microvolt = <700000>;
> regulator-max-microvolt = <1300000>;
> regulator-always-on;
> - rohm,dvs-run-voltage = <1000000>;
> + rohm,dvs-run-voltage = <900000>;
> };
>
> buck4_reg: BUCK4 {
>
since I'm running this now:
Tested-by: Martin Kepplinger <martin.kepplinger@puri.sm>
thanks
next prev parent reply other threads:[~2020-03-23 19:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-19 16:46 [PATCH] arm64: dts: imx8mq-librem5-devkit: Use 0.9V for VDD_GPU Guido Günther
2020-03-23 19:17 ` Martin Kepplinger [this message]
2020-04-20 14:54 ` Shawn Guo
2020-04-20 16:32 ` Guido Günther
2020-04-21 3:03 ` Shawn Guo
2020-04-21 14:45 ` Guido Günther
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