Re: [PATCH v3 2/5] phy: qcom-qmp-combo: add support for the USB+DP PHY on SM8150 platform

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On 31.05.2023 14:13, Dmitry Baryshkov wrote:
> On Wed, 31 May 2023 at 14:35, Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> wrote:
>> On 31.05.2023 04:34, Dmitry Baryshkov wrote:
>>> SM8150 and SC8180X are close relatives. Reuse sc8180x data to support
>>> USB+DP combo PHY on SM8150 platform.
>>>
>>> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
>>> ---
>> I'm not sure this is right. Downstream reuses SA8195 USB seq.
> 
> The upstream driver uses sm8150 data for sc8180x. So even if sc8180x
> data is not correct for sc8180x, it is definitely the one that we
> should use for sm8150:
Right sorry, this patch adds support for 81*5*0. I wanted to point out
that 8180 has a different set of init commands and one of them is probably
incorrect.

Konrad
> 
> static const struct qmp_phy_cfg sc8180x_usb3dpphy_cfg = {
>         .serdes_tbl             = sm8150_usb3_serdes_tbl,
>         .serdes_tbl_num         = ARRAY_SIZE(sm8150_usb3_serdes_tbl),
>         .tx_tbl                 = sm8150_usb3_tx_tbl,
>         .tx_tbl_num             = ARRAY_SIZE(sm8150_usb3_tx_tbl),
>         .rx_tbl                 = sm8150_usb3_rx_tbl,
>         .rx_tbl_num             = ARRAY_SIZE(sm8150_usb3_rx_tbl),
>         .pcs_tbl                = sm8150_usb3_pcs_tbl,
>         .pcs_tbl_num            = ARRAY_SIZE(sm8150_usb3_pcs_tbl),
>         .pcs_usb_tbl            = sm8150_usb3_pcs_usb_tbl,
>         .pcs_usb_tbl_num        = ARRAY_SIZE(sm8150_usb3_pcs_usb_tbl),
> 
>         .dp_serdes_tbl          = qmp_v4_dp_serdes_tbl,
>         .dp_serdes_tbl_num      = ARRAY_SIZE(qmp_v4_dp_serdes_tbl),
>         .dp_tx_tbl              = qmp_v4_dp_tx_tbl,
>         .dp_tx_tbl_num          = ARRAY_SIZE(qmp_v4_dp_tx_tbl),
> 
> 
> 
>>
>> Konrad
>>>  drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 4 ++++
>>>  1 file changed, 4 insertions(+)
>>>
>>> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
>>> index 33cc99d9c77d..2bff1bbb8610 100644
>>> --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
>>> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
>>> @@ -3614,6 +3614,10 @@ static const struct of_device_id qmp_combo_of_match_table[] = {
>>>               .compatible = "qcom,sm6350-qmp-usb3-dp-phy",
>>>               .data = &sm6350_usb3dpphy_cfg,
>>>       },
>>> +     {
>>> +             .compatible = "qcom,sm8150-qmp-usb3-dp-phy",
>>> +             .data = &sc8180x_usb3dpphy_cfg,
>>> +     },
>>>       {
>>>               .compatible = "qcom,sm8250-qmp-usb3-dp-phy",
>>>               .data = &sm8250_usb3dpphy_cfg,
> 
> 
> 



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