From: Shawn Guo <shawnguo@kernel.org>
To: Marco Felsch <m.felsch@pengutronix.de>
Cc: s.riedmueller@phytec.de, festevam@gmail.com,
chf.fritz@googlemail.com, robh+dt@kernel.org, linux-imx@nxp.com,
kernel@pengutronix.de, c.hemp@phytec.de, s.christ@phytec.de,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 1/2] ARM: dts: imx6: phycore-som: fix arm and soc minimum voltage
Date: Thu, 13 Feb 2020 20:59:41 +0800 [thread overview]
Message-ID: <20200213125940.GP11096@dragon> (raw)
In-Reply-To: <20200116140108.6069-1-m.felsch@pengutronix.de>
On Thu, Jan 16, 2020 at 03:01:07PM +0100, Marco Felsch wrote:
> The current set minimum voltage of 730000µV seems to be wrong. I don't
> 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>
I failed to apply it. Please rebase and resend.
Shawn
> ---
> v3:
> - fix commit message
> v2:
> - use ldo bypassed values
> ---
> 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 a1e2c5094d58..51a47a242783 100644
> --- a/arch/arm/boot/dts/imx6qdl-phytec-phycore-som.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-phytec-phycore-som.dtsi
> @@ -111,14 +111,14 @@
> 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
>
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next prev parent reply other threads:[~2020-02-13 13:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-16 14:01 [PATCH v3 1/2] ARM: dts: imx6: phycore-som: fix arm and soc minimum voltage Marco Felsch
2020-01-16 14:01 ` [PATCH v3 2/2] ARM: dts: imx6: phycore-som: fix emmc supply Marco Felsch
2020-02-13 12:58 ` Shawn Guo
2020-02-13 12:59 ` Shawn Guo [this message]
2020-02-21 7:27 ` [PATCH v3 1/2] ARM: dts: imx6: phycore-som: fix arm and soc minimum voltage Marco Felsch
2020-02-24 1:06 ` Shawn Guo
2020-02-24 7:15 ` Marco Felsch
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