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SubjectRe: [PATCH v4 4/8] dt-bindings: phy: qcom-qusb2: Add support for overriding Phy tuning parameters
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Quoting Matthias Kaehlcke (2020-01-29 12:38:19)
> On Wed, Jan 29, 2020 at 07:21:55PM +0530, Sandeep Maheswaram wrote:
> > Add support for overriding QUSB2 V2 phy tuning parameters
> > in device tree bindings.
> >
> > Signed-off-by: Sandeep Maheswaram <sanm@codeaurora.org>
> > Reviewed-by: Rob Herring <robh@kernel.org>
> > ---
> > .../devicetree/bindings/phy/qcom,qusb2-phy.yaml | 33 ++++++++++++++++++++++
> > 1 file changed, 33 insertions(+)

Reviewed-by: Stephen Boyd <swboyd@chromium.org>

> >
> > diff --git a/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml
> > index 43082c8..dfef356 100644
> > --- a/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml
> > +++ b/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml
> > @@ -80,6 +80,28 @@ properties:
> > maximum: 63
> > default: 0
> >
> > + qcom,bias-ctrl-value:
> > + description:
> > + It is a 6 bit value that specifies bias-ctrl-value. It is a PHY
> > + tuning parameter that may vary for different boards of same SOC.
> > + This property is applicable to only QUSB2 v2 PHY.
>
> As commented on 'dt-bindings: phy: qcom,qusb2: Convert QUSB2 phy bindings
> to yaml' a possible improvement could be to restrict these properties to
> the QUSB2 v2 PHY through the schema.

Can this be done? It's nice to keep constraints type, otherwise the
yaml binding is not as useful.


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