Mark Brown <broonie@xxxxxxxxxx> 於 2020年8月25日 週二 上午3:49寫道： > > On Mon, Aug 24, 2020 at 03:21:57PM +0800, Gene Chen wrote: > > > On Thu, Aug 20, 2020 at 03:53:42PM +0800, Gene Chen wrote: > > > > > + LDO_VIN3-supply: > > > > + description: Input supply phandle(s) for LDO3 > > > > Only LDO3 needs a supply? > > > LDO_VIN1/LDO_VIN2 is real MT6360 pin supply from VSYS to LDO1/2/3/5 > > LDO_VIN3 is also real pin supply from BUCK2 to LDO6/7 > > So shouldn't there be a documented LDO_VIN1/2 then? LDO_VINx is HW design layout, so actually it can't be changed by device tree. LDO_VIN1/LDO_VIN2 supply from VSYS, not regulator, so I think usually not to show the supply from in device tree. or I should declare a dummy reference to system power like "*-supply = <&system_power>;"?
