Messages in this thread | | | From | Fabio Estevam <> | Date | Sat, 17 Mar 2018 11:53:08 -0300 | Subject | Re: [PATCH 1/2] ARM: dts: pfuze3000: update sw1a/vldo4 voltage range |
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Hi Anson,
On Sat, Mar 17, 2018 at 3:57 AM, Anson Huang <Anson.Huang@nxp.com> wrote: > Update sw1a/vldo4's voltage range according to latest pfuze3000 > datasheet from: > > http://cache.freescale.com/files/analog/doc/data_sheet/PF3000.pdf?fsrch=1&sr=1&pageNum=1 > > Signed-off-by: Anson Huang <Anson.Huang@nxp.com> > Signed-off-by: Robin Gong <yibin.gong@nxp.com> > --- > arch/arm/boot/dts/imx6sx-udoo-neo.dtsi | 2 +- > arch/arm/boot/dts/imx7d-cl-som-imx7.dts | 4 ++-- > arch/arm/boot/dts/imx7d-nitrogen7.dts | 2 +- > arch/arm/boot/dts/imx7d-sdb.dts | 6 +++--- > arch/arm/boot/dts/imx7s-warp.dts | 2 +- > 5 files changed, 8 insertions(+), 8 deletions(-) > > diff --git a/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi b/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi > index 53b3eac..1de0a0f 100644 > --- a/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi > +++ b/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi > @@ -142,7 +142,7 @@ > regulators { > sw1a_reg: sw1a { > regulator-min-microvolt = <700000>; > - regulator-max-microvolt = <1475000>; > + regulator-max-microvolt = <3300000>;
This change does not look like a safe thing to do without carefully checking each one of the board schematics.
Even if the regulator itself is capable of driving a higher voltage, it does not mean that the circuitry that consumes such regulator is allowed to receive the higher voltages.
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