Hi, Fabio Anson Huang Best Regards!
> -----Original Message----- > From: Fabio Estevam [mailto:feste...@gmail.com] > Sent: Sunday, March 18, 2018 8:55 PM > To: Anson Huang <anson.hu...@nxp.com> > Cc: Robin Gong <yibin.g...@nxp.com>; Shawn Guo <shawn...@kernel.org>; > Sascha Hauer <ker...@pengutronix.de>; Fabio Estevam > <fabio.este...@nxp.com>; Rob Herring <robh...@kernel.org>; Mark Rutland > <mark.rutl...@arm.com>; Russell King - ARM Linux <li...@armlinux.org.uk>; > Liam Girdwood <lgirdw...@gmail.com>; Mark Brown <broo...@kernel.org>; > dl-linux-imx <linux-...@nxp.com>; moderated list:ARM/FREESCALE IMX / MXC > ARM ARCHITECTURE <linux-arm-ker...@lists.infradead.org>; open list:OPEN > FIRMWARE AND FLATTENED DEVICE TREE BINDINGS > <devicet...@vger.kernel.org>; linux-kernel <linux-kernel@vger.kernel.org> > Subject: Re: [PATCH 1/2] ARM: dts: pfuze3000: update sw1a/vldo4 voltage range > > On Sat, Mar 17, 2018 at 11:23 PM, Anson Huang <anson.hu...@nxp.com> > 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.
