Re: [PATCH 1/2] dt-bindings: msm/dsi: Add ref clock for 10nm PHY

[Matthias Kaehlcke <mka@chromium.org>]

On Tue, Nov 06, 2018 at 03:09:40PM -0800, Stephen Boyd wrote:
> Quoting Matthias Kaehlcke (2018-11-02 14:45:33)
> > Allow the 10nm PHY driver to get the ref clock from the DT.
> > 
> > Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
> > ---
> >  Documentation/devicetree/bindings/display/msm/dsi.txt | 4 ++++
> >  1 file changed, 4 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/display/msm/dsi.txt b/Documentation/devicetree/bindings/display/msm/dsi.txt
> > index dfc743219bd88..d0d2046ceff69 100644
> > --- a/Documentation/devicetree/bindings/display/msm/dsi.txt
> > +++ b/Documentation/devicetree/bindings/display/msm/dsi.txt
> > @@ -105,6 +105,10 @@ Required properties:
> >  - power-domains: Should be <&mmcc MDSS_GDSC>.
> >  - clocks: Phandles to device clocks. See [1] for details on clock bindings.
> >  - clock-names: the following clocks are required:
> > +  For 10nm PHY:
> > +  * "iface"
> > +  * "ref"
> > +  For other PHYs:
> >    * "iface"
> 
> Any reason we can't go back and do this for other phys too? They're all
> the same with regards to this reference clk input.

To avoid breaking existing users, at least the 28nm PHY is used by
msm8916. Also I don't have the hardware to test changes for other
PHYs.

Cheers

Matthias