Re: [PATCH V3 2/2] phy: qcom-qmp-ufs: Add regulator loads for SM8650 and SM8750

[Dmitry Baryshkov]

On 22/08/2025 11:53, Manivannan Sadhasivam wrote:
> On Wed, Aug 20, 2025 at 03:49:31AM GMT, Dmitry Baryshkov wrote:
> > On Wed, Aug 20, 2025 at 03:58:26AM +0530, Nitin Rawat wrote:
> > > Add regulator load voting support for SM8650 and SM8750 platforms by
> > > introducing dedicated regulator bulk data arrays with their load
> > > values.
> > >
> > > The load requirements are:
> > > - SM8650: vdda-phy (205mA), vdda-pll (17.5mA)
> > > - SM8750: vdda-phy (213mA), vdda-pll (18.3mA)
> > >
> > > This ensures stable operation and proper power management for these
> > > platforms where regulators are shared between the QMP USB PHY and
> > > other IP blocks by setting appropriate regulator load currents during PHY
> > > operations.
> > >
> > > Configurations without specific load requirements will continue to work
> > > unchanged, as init_load_uA remains zero-initialized when .init_load_uA
> > > is not provided.
> >
> > Can we please get configuration for the rest of the platforms?
>
> Only if the rest of the platforms require setting the load... It is not very
> clear if the older platforms share the regulators with other IPs or not.

Yes, they are usually shared. USB. PCIe and DSI frequently sit on the 
same voltage rails.


--
With best wishes
Dmitry