Re: [PATCH 2/7] dt-bindings: phy: Add the M31 based eUSB2 PHY bindings

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Hi Dmitry,

On 1/14/2025 2:12 AM, Dmitry Baryshkov wrote:
> On Mon, Jan 13, 2025 at 01:52:08PM -0800, Melody Olvera wrote:
>> From: Wesley Cheng <quic_wcheng@xxxxxxxxxxx>
>>
>> On SM8750, the M31 eUSB2 PHY is being used to support USB2. Add the
>> binding definition for the PHY driver.
>>
>> Signed-off-by: Wesley Cheng <quic_wcheng@xxxxxxxxxxx>
>> Signed-off-by: Melody Olvera <quic_molvera@xxxxxxxxxxx>
>> ---
>>  .../bindings/phy/qcom,m31-eusb2-phy.yaml           | 84 ++++++++++++++++++++++
>>  1 file changed, 84 insertions(+)
>>
>> +examples:
>> +  - |
>> +    #include <dt-bindings/clock/qcom,sm8750-gcc.h>
>> +    #include <dt-bindings/clock/qcom,rpmh.h>
>> +    #include <dt-bindings/clock/qcom,sm8750-tcsr.h>
> 
> This a typical comment, please actually update your internal
> documentation: don't use GCC's and other clock controller's bindings in
> examples for other blocks.
> 

I can see that other examples also reference bindings from external
drivers, otherwise I think it would throw an error for not being able to
find the parents in properties such as, resets and clocks.  I tried to
update my dtschema to ensure that this failure was not missed.

I checked and made sure that no errors were not seen, so I started to
wonder if maybe when this series was submitted the qcom,sm8750-gcc.h wasn't
yet present on the kernel tree.  To confirm this, I removed the
aforementioned header file, and got the same error/issue.  Now that the
sm8750 gcc header has landed upstream, I believe that this error should be
resolved.

Thanks
Wesley Cheng

>> +
>> +    usb_1_hsphy: phy@88e3000 {
>> +        compatible = "qcom,sm8750-m31-eusb2-phy";
>> +        reg = <0x88e3000 0x29c>;
>> +
>> +        clocks = <&tcsrcc TCSR_USB2_CLKREF_EN>;
>> +        clock-names = "ref";
>> +
>> +        resets = <&gcc GCC_QUSB2PHY_PRIM_BCR>;
>> +
>> +        #phy-cells = <0>;
>> +
>> +        vdd-supply = <&vreg_l2d_0p88>;
>> +        vdda12-supply = <&vreg_l3g_1p2>;
>> +
>> +    };
>>
>> -- 
>> 2.46.1
>>
> 




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