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From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Wed, 17 Apr 2024 10:02:10 +0300
Message-ID: <CAA8EJpq4mEKi=WW2o-tmkSCoKv01sV5wM-U-KxXXGAcaKSp84g@mail.gmail.com>
Subject: Re: [PATCH v2] dt-bindings: phy: qcom,usb-hs-phy: Add compatible
To: Herman van Hazendonk <github.com@herrie.org>
Cc: andersson@kernel.org, benwolsieffer@gmail.com, chris.chapuis@gmail.com, 
	conor+dt@kernel.org, devicetree@vger.kernel.org, kishon@kernel.org, 
	konrad.dybcio@linaro.org, krzk+dt@kernel.org, linux-arm-msm@vger.kernel.org, 
	linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, me@herrie.org, 
	robh@kernel.org, vkoul@kernel.org
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On Wed, 17 Apr 2024 at 09:50, Herman van Hazendonk
<github.com@herrie.org> wrote:
>
> On Wed, 17 Apr 2024 at 07:52, Herman van Hazendonk
> <github.com@herrie.org> wrote:
> >>
> >> Adds qcom,usb-hs-phy-msm8660 compatible
> >>
> >> Used by HP Touchpad (tenderloin) for example.
> >>
> >> Signed-off-by: Herman van Hazendonk <github.com@herrie.org>
> >> ---
> >>  Documentation/devicetree/bindings/phy/qcom,usb-hs-phy.yaml | 2 ++
> >>  1 file changed, 2 insertions(+)
> >>
> >> diff --git a/Documentation/devicetree/bindings/phy/qcom,usb-hs-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,usb-hs-phy.yaml
> >> index f042d6af1594..ccf23170cd17 100644
> >> --- a/Documentation/devicetree/bindings/phy/qcom,usb-hs-phy.yaml
> >> +++ b/Documentation/devicetree/bindings/phy/qcom,usb-hs-phy.yaml
> >> @@ -15,6 +15,7 @@ if:
> >>        contains:
> >>          enum:
> >>            - qcom,usb-hs-phy-apq8064
> >> +          - qcom,usb-hs-phy-msm8660
> >>            - qcom,usb-hs-phy-msm8960
> >>  then:
> >>    properties:
> >> @@ -41,6 +42,7 @@ properties:
> >>        - enum:
> >>            - qcom,usb-hs-phy-apq8064
> >>            - qcom,usb-hs-phy-msm8226
> >> +          - qcom,usb-hs-phy-msm8960
>
> > This should probably be msm8660 rather than 8960
> Hi Dmitry,
>
> Thanks for the swift feedback. I'll send a v3.
> I need more coffee before doing this in the morning

Please wait for the feedback from bindings maintainers (this might
take a couple of days).

> > Note, nowadays the rule would be to use qcom,msm8660-usb-hs-phy
> > compatible, but I wonder if we should enforce this for such an old
> > platform or whether similarity wins.
>
> >>            - qcom,usb-hs-phy-msm8916
> >>            - qcom,usb-hs-phy-msm8960
> >>            - qcom,usb-hs-phy-msm8974
> >>
>
> I plan to send more patches for the msm8660, so happy to understand what
> is the preferred approach, because it doesn't seem consistent.
>
> These are my first patches, so learning mainly from what I see in commit
> history (which might be outdated)
> It's indeed ancient platform, we just would like to get HP TouchPad
> (tenderloin) running with a mainline kernel, hence these patches.

This sounds really interesting. I recently got apq8060 so I should be
able to test your patches if the time permits.

-- 
With best wishes
Dmitry