On Sat, Mar 17, 2018 at 11:23 PM, Anson Huang <anson.huang@xxxxxxx> 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" -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html