Hi, Fabio Anson Huang Best Regards!
> -----Original Message----- > From: Fabio Estevam [mailto:[email protected]] > Sent: Sunday, March 18, 2018 8:55 PM > To: Anson Huang <[email protected]> > Cc: Robin Gong <[email protected]>; Shawn Guo <[email protected]>; > Sascha Hauer <[email protected]>; Fabio Estevam > <[email protected]>; Rob Herring <[email protected]>; Mark Rutland > <[email protected]>; Russell King - ARM Linux <[email protected]>; > Liam Girdwood <[email protected]>; Mark Brown <[email protected]>; > dl-linux-imx <[email protected]>; moderated list:ARM/FREESCALE IMX / MXC > ARM ARCHITECTURE <[email protected]>; open list:OPEN > FIRMWARE AND FLATTENED DEVICE TREE BINDINGS > <[email protected]>; linux-kernel <[email protected]> > Subject: Re: [PATCH 1/2] ARM: dts: pfuze3000: update sw1a/vldo4 voltage range > > On Sat, Mar 17, 2018 at 11:23 PM, Anson Huang <[email protected]> > wrote: > > > I thought the max value here means the capability of regulator itself, like > > the > internal > > No it is not. > > Please check Documentation/devicetree/bindings/regulator/regulator.txt: > > "- regulator-max-microvolt: largest voltage consumers may set" OK, so I should change the max value of SW1A according to board design, such as for MX7D, it is 1.075V for max cpu-freq's voltage, set it to 1.075 in dts? Also, according to the binding doc, do you think the anatop's vdd_arm and vdd_soc/pu's max value also need to be adjusted to match the value define in each soc's datasheet? Anson.
