On Mon, May 09, 2022 at 05:24:26PM +0200, LABBE Corentin wrote: > Le Mon, May 09, 2022 at 05:19:16PM +0200, Andrew Lunn a écrit : > > I'm trying to understand the differences between the two different > > regulators. If you tell me what the PHY is, i might be able to find > > the data sheet, and then understand why two regulators are needed and > > if one needs to be controlled by the PHY driver, not the MDIO bus > > driver. > The schematic for the board is https://linux-sunxi.org/images/5/50/OrangePi_3_Schematics_v1.5.pdf > Which show a RTL8211E. Most hardware will want all the regulators for the device turned on or off en masse (possibly in a specific sequence) - it's rare for devices to support only having some of their supplies enabled for extended periods, I'd be surprised if something like a PHY did that.
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