Re: [PATCH v3 2/3] phy: qcom-qmp-combo: Add config for SM6350

From: Vinod Koul
Date: Thu Jan 12 2023 - 13:20:13 EST


On 28-12-22, 15:17, Johan Hovold wrote:
> Luca, Vinod,
>
> On Wed, Nov 30, 2022 at 09:14:28AM +0100, Luca Weiss wrote:
> > Add the tables and config for the combo phy found on SM6350.
> >
> > Signed-off-by: Luca Weiss <luca.weiss@xxxxxxxxxxxxx>
> > ---
> > Changes since v2:
> > * Drop dp_txa/dp_txb changes, not required
> > * Fix dp_dp_phy offset
> >
> > drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 126 ++++++++++++++++++++++
> > 1 file changed, 126 insertions(+)
> >
> > diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
> > index 77052c66cf70..6ac0c68269dc 100644
> > --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
> > +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
>
> > @@ -975,6 +1039,19 @@ static const char * const sc7180_usb3phy_reset_l[] = {
> > "phy",
> > };
> >
> > +static const struct qmp_combo_offsets qmp_combo_offsets_v3 = {
> > + .com = 0x0000,
> > + .txa = 0x1200,
> > + .rxa = 0x1400,
> > + .txb = 0x1600,
> > + .rxb = 0x1800,
> > + .usb3_serdes = 0x1000,
> > + .usb3_pcs_misc = 0x1a00,
> > + .usb3_pcs = 0x1c00,
> > + .dp_serdes = 0x1000,
>
> I would have expected this to be 0x2000 as that's what the older
> platforms have been using for the dp serdes table so far. Without access
> to any documentation it's hard to tell whether everyone's just been
> cargo-culting all along or if there's actually something there at offset
> 0x2000.
>
> Vinod, could you shed some light on this as presumably you have access
> to some documentation?
>
> > + .dp_dp_phy = 0x2a00,

No sorry, I dont have access to this version...

--
~Vinod