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

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Message-ID: <ukxv7donvkulgci2dwrokuflzxzeyh4kohoyja2vywropntxnb@qepcssbe4wpc>
Date: Wed, 20 Aug 2025 14:54:34 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Nitin Rawat <quic_nitirawa@...cinc.com>
Cc: vkoul@...nel.org, kishon@...nel.org, mani@...nel.org, andersson@...nel.org,
        konradybcio@...nel.org, linux-arm-msm@...r.kernel.org,
        linux-phy@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V3 2/2] phy: qcom-qmp-ufs: Add regulator loads for SM8650
 and SM8750

On Wed, Aug 20, 2025 at 12:07:57PM +0530, Nitin Rawat wrote:
> 
> 
> On 8/20/2025 6:19 AM, 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?
> 
> Hi Dmitry,
> 
> If you're okay with it, can I merge the configuration for the remaining
> platforms in the next patch series after I complete testing on all remaining
> platforms.

You don't need to test, finding MSM8996 or 98 might be troublesome. Just
fill in the values from the hardware documentation.

-- 
With best wishes
Dmitry