Re: [PATCH 14/14] phy: qcom-qmp-combo: add support for updated sc8280xp binding

Dmitry Baryshkov
2022-11-12T11:36:32Z

On 11/11/2022 12:24, Johan Hovold wrote:
> Add support for the new SC8280XP binding.
>
> Note that the binding does not try to describe every register subregion
> and instead the driver holds the corresponding offsets.
>
> Also note that (possibly) unlike on earlier platforms, the TX registers
> are used by both the USB and DP implementation.
>
> Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
> ---
> drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 143 ++++++++++++++++++++--
> 1 file changed, 133 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
> index 0a4d53e6c586..544a7e55bf14 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
> @@ -798,9 +798,25 @@ static const u8 qmp_dp_v5_voltage_swing_hbr_rbr[4][4] = {
>
> struct qmp_combo;
>
> +struct qmp_combo_offsets {
> + u16 com;
> + u16 txa;
> + u16 rxa;
> + u16 txb;
> + u16 rxb;

Yes, txa/txb are more in spite of the vendor headers. I'd sill suggest
to use tx/tx2 and rx/rx2 as used everywhere in the QMP driver.

> + u16 usb3_serdes;
> + u16 usb3_pcs_misc;
> + u16 usb3_pcs;
> + u16 usb3_pcs_usb;
> + u16 dp_serdes;
> + u16 dp_dp_phy;
> +};
> +
--
With best wishes
Dmitry