From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
To: Marco Felsch <m.felsch@pengutronix.de>
Cc: s.riedmueller@phytec.de, s.christ@phytec.de,
chf.fritz@googlemail.com, robh+dt@kernel.org, linux-imx@nxp.com,
kernel@pengutronix.de, c.hemp@phytec.de, shawnguo@kernel.org,
festevam@gmail.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 1/3] ARM: dts: imx6: phycore-som: fix arm and soc minimum voltage
Date: Wed, 8 Jan 2020 10:34:07 +0000 [thread overview]
Message-ID: <20200108103407.GL25745@shell.armlinux.org.uk> (raw)
In-Reply-To: <20200108101057.29599-1-m.felsch@pengutronix.de>
On Wed, Jan 08, 2020 at 11:10:55AM +0100, Marco Felsch wrote:
> The current set minimum voltage of 730000mV seems to be wrong. I don't
mV = milli-volt, /1000th of a volt. So you just said 730V.
µV or uV = micro-volt, which I think is what you mean here.
> know the document which specifies that but the imx6qdl datasheets says
> that the minimum voltage should be 0.925V for VDD_ARM (LDO bypassed,
> lowest opp) and 1.15V for VDD_SOC (LDO bypassed, lowest opp).
>
> Fixes: ddec5d1c0047 ("ARM: dts: imx6: Add initial support for phyCORE-i.MX 6 SOM")
> Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
> ---
> v2:
> - use ldo bypassed values
> - adapt commit message
>
> arch/arm/boot/dts/imx6qdl-phytec-phycore-som.dtsi | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/boot/dts/imx6qdl-phytec-phycore-som.dtsi b/arch/arm/boot/dts/imx6qdl-phytec-phycore-som.dtsi
> index 6486df3e2942..f23eef1e54e0 100644
> --- a/arch/arm/boot/dts/imx6qdl-phytec-phycore-som.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-phytec-phycore-som.dtsi
> @@ -107,14 +107,14 @@
> regulators {
> vdd_arm: buck1 {
> regulator-name = "vdd_arm";
> - regulator-min-microvolt = <730000>;
> + regulator-min-microvolt = <925000>;
> regulator-max-microvolt = <1380000>;
> regulator-always-on;
> };
>
> vdd_soc: buck2 {
> regulator-name = "vdd_soc";
> - regulator-min-microvolt = <730000>;
> + regulator-min-microvolt = <1150000>;
> regulator-max-microvolt = <1380000>;
> regulator-always-on;
> };
> --
> 2.20.1
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
--
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next prev parent reply other threads:[~2020-01-08 10:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-08 10:10 [PATCH v2 1/3] ARM: dts: imx6: phycore-som: fix arm and soc minimum voltage Marco Felsch
2020-01-08 10:10 ` [PATCH v2 2/3] ARM: dts: imx6: phycore-som: fix emmc supply Marco Felsch
2020-01-08 10:10 ` [PATCH v2 3/3] ARM: dts: imx6: phycore-som: add pmic onkey device Marco Felsch
2020-01-08 10:34 ` Russell King - ARM Linux admin [this message]
2020-01-08 10:42 ` [PATCH v2 1/3] ARM: dts: imx6: phycore-som: fix arm and soc minimum voltage Marco Felsch
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