Re: [PATCH 2/2] dt-bindings: phy: List supplies for qcom,edp-phy
From: Vinod Koul
Date: Thu Jun 16 2022 - 20:10:12 EST
On 16-06-22, 08:35, Doug Anderson wrote:
> Hi,
>
> On Mon, Apr 25, 2022 at 2:07 PM Douglas Anderson <dianders@xxxxxxxxxxxx> wrote:
> >
> > We're supposed to list the supplies in the dt bindings but there are
> > none in the eDP PHY bindings.
> >
> > Looking at the driver in Linux, I can see that there seem to be two
> > relevant supplies: "vdda-phy" and "vdda-pll". Let's add those to the
> > bindings.
> >
> > NOTE: from looking at the Qualcomm datasheet for sc7280, it's not
> > immediately clear how to figure out how to fill in these supplies. The
> > only two eDP related supplies are simply described as "power for eDP
> > 0.9V circuits" and "power for eDP 1.2V circuits". From guessing and
> > from comparing how a similar PHY is hooked up on other similar
> > Qualcomm boards, I'll make the educated guess that the 1.2V supply
> > goes to "vdda-phy" and the 0.9V supply goes to "vdda-pll" and I'll use
> > that in the example here.
> >
> > Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> > ---
> >
> > Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml | 6 ++++++
> > 1 file changed, 6 insertions(+)
>
> Even though patch #1 in this series should be dropped, this patch
> (patch #2) is still valid. Vinod: I assume this would land in your
> tree along with the first two patches in Kuogee's series [1], which
> are related. Please let me know if you need me to re-send or anything.
I have applied this patch, thanks
> [1] https://lore.kernel.org/r/1653507433-22585-1-git-send-email-quic_khsieh@xxxxxxxxxxx/
This needs rebase on phy split which I have picked
--
~Vinod