From: Shawn Guo <shawnguo@kernel.org>
To: "Guido Günther" <agx@sigxcpu.org>
Cc: devicetree@vger.kernel.org, Abel Vesa <abel.vesa@nxp.com>,
Anson Huang <Anson.Huang@nxp.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
"Angus Ainslie \(Purism\)" <angus@akkea.ca>,
linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
NXP Linux Team <linux-imx@nxp.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Martin Kepplinger <martink@posteo.de>,
Fabio Estevam <festevam@gmail.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] arm64: dts: imx8mq-librem5-devkit: Use 0.9V for VDD_GPU
Date: Mon, 20 Apr 2020 22:54:59 +0800 [thread overview]
Message-ID: <20200420145459.GE32419@dragon> (raw)
In-Reply-To: <d9bfb11e3d66376792089d54d7d52fe3778efa33.1584636213.git.agx@sigxcpu.org>
On Thu, Mar 19, 2020 at 05:46:02PM +0100, 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>
It doesn't apply to my branch.
Shawn
> ---
> 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 {
> --
> 2.23.0
>
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WARNING: multiple messages have this Message-ID (diff)
From: Shawn Guo <shawnguo@kernel.org>
To: "Guido Günther" <agx@sigxcpu.org>
Cc: Rob Herring <robh+dt@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>,
Martin Kepplinger <martink@posteo.de>,
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, 20 Apr 2020 22:54:59 +0800 [thread overview]
Message-ID: <20200420145459.GE32419@dragon> (raw)
In-Reply-To: <d9bfb11e3d66376792089d54d7d52fe3778efa33.1584636213.git.agx@sigxcpu.org>
On Thu, Mar 19, 2020 at 05:46:02PM +0100, 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>
It doesn't apply to my branch.
Shawn
> ---
> 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 {
> --
> 2.23.0
>
next prev parent reply other threads:[~2020-04-20 14:55 UTC|newest]
Thread overview: 12+ 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
2020-03-19 16:46 ` Guido Günther
2020-03-23 19:17 ` Martin Kepplinger
2020-03-23 19:17 ` Martin Kepplinger
2020-04-20 14:54 ` Shawn Guo [this message]
2020-04-20 14:54 ` Shawn Guo
2020-04-20 16:32 ` Guido Günther
2020-04-20 16:32 ` Guido Günther
2020-04-21 3:03 ` Shawn Guo
2020-04-21 3:03 ` Shawn Guo
2020-04-21 14:45 ` Guido Günther
2020-04-21 14:45 ` Guido Günther
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