On Thu, Sep 5, 2024 at 5:47 PM Kalle Valo <kvalo@xxxxxxxxxx> wrote: > > Bartosz Golaszewski <brgl@xxxxxxxx> writes: > > >> > + - if: > >> > + properties: > >> > + compatible: > >> > + contains: > >> > + const: pci17cb,1103 > >> > + then: > >> > + required: > >> > + - vddrfacmn-supply > >> > + - vddaon-supply > >> > + - vddwlcx-supply > >> > + - vddwlmx-supply > >> > + - vddrfa0p8-supply > >> > + - vddrfa1p2-supply > >> > + - vddrfa1p8-supply > >> > + - vddpcie0p9-supply > >> > + - vddpcie1p8-supply > >> > >> Like we discussed before, shouldn't these supplies be optional as not > >> all modules need them? > >> > > > > The answer is still the same: the ATH11K inside a WCN6855 does - in > > fact - always need them. The fact that the X13s doesn't define them is > > bad representation of HW and I'm fixing it in a subsequent DTS patch. > > But, like we discussed earlier, M.2 boards don't need these so I think > this should be optional. > If they are truly dynamic, plug-and-play M.2 boards then they shouldn't need any description in device-tree. If they are M.2 sockets that use custom, vendor-specific pins (like what is the case on sc8280xp-crd and X13s) then the HW they carry needs to be described correctly. We've discussed that before. Bart