linux-kernel - Re: [PATCH 1/2] dt-bindings: Add Qualcomm USB Super-Speed PHY bindings

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Date:   Thu, 20 Dec 2018 09:37:17 -0800
From:   Jack Pham <jackp@...eaurora.org>
To:     Rob Herring <robh@...nel.org>,
        Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
Cc:     Andy Gross <andy.gross@...aro.org>, gregkh@...uxfoundation.org,
        mark.rutland@....com, kishon@...com, linux-usb@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        shawn.guo@...aro.org, vkoul@...nel.org,
        Manu Gautam <mgautam@...eaurora.org>,
        Sriharsha Allenki <sallenki@...eaurora.org>
Subject: Re: [PATCH 1/2] dt-bindings: Add Qualcomm USB Super-Speed PHY
 bindings

Hi Rob, Jorge,

On Thu, Dec 20, 2018 at 11:05:31AM -0600, Rob Herring wrote:
> On Fri, Dec 07, 2018 at 10:55:57AM +0100, Jorge Ramirez-Ortiz wrote:
> > Binding description for Qualcomm's Synopsys 1.0.0 super-speed PHY
> > controller embedded in QCS404.
> > 
> > Based on Sriharsha Allenki's <sallenki@...eaurora.org> original
> > definitions.
> > 
> > Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
> > Reviewed-by: Vinod Koul <vkoul@...nel.org>
> > ---
> >  .../devicetree/bindings/usb/qcom,usb-ssphy.txt     | 78 ++++++++++++++++++++++
> >  1 file changed, 78 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/usb/qcom,usb-ssphy.txt
> > 
> > diff --git a/Documentation/devicetree/bindings/usb/qcom,usb-ssphy.txt b/Documentation/devicetree/bindings/usb/qcom,usb-ssphy.txt
> > new file mode 100644
> > index 0000000..fcf4e01
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/usb/qcom,usb-ssphy.txt
> > @@ -0,0 +1,78 @@
> > +Qualcomm Synopsys 1.0.0 SS phy controller
> > +===========================================
> > +
> > +Synopsys 1.0.0 ss phy controller supports SS usb connectivity on Qualcomm
> > +chipsets
> > +
> > +Required properties:
> > +
> > +- compatible:
> > +    Value type: <string>
> > +    Definition: Should contain "qcom,usb-ssphy".
> 
> What is "qcom,dwc3-ss-usb-phy" which already exists then?

Uh, apparently only the bindings doc is there but the driver never
landed. I guess it fell through the cracks nearly 4 years ago.

https://lore.kernel.org/patchwork/patch/499502/

Jorge, does Andy's version of this driver at all resemble what can be
used for QCS404?

Jack
-- 
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