[PATCH] phy: qcom: qmp-combo: update offsets table for x1e80100
Tapas Rana
tapas.rana at oss.qualcomm.com
Fri Oct 30 03:48:48 PDT 2026
On 30-10-2026 16:13, Tapas Rana wrote:
> x1e80100_usb3dpphy_cfg uses qmp_v6_n4_usb3phy_regs_layout, which
> places QPHY_PCS_CLAMP_ENABLE in the PCS_AON register space. However,
> it uses qmp_combo_offsets_v5 currently, which does not define the
> usb3_pcs_aon region. As a result, qmp->pcs_aon is not mapped and
> autonomous mode falls back to pcs_misc for clamp control.
>
> Add a dedicated USB3+DP V6 offsets table with usb3_pcs_aon included
> and use it for x1e80100_usb3dpphy_cfg so clamp control is performed
> through the correct PCS_AON register space.
>
> Signed-off-by: Tapas Rana <taparana at qti.qualcomm.com>
Sorry for the spam, I used wrong email on my SOB tag, will resend the patch.
> ---
> drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 17 ++++++++++++++++-
> 1 file changed, 16 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
> index 187f0cd11f6c..aa9dc9716574 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
> @@ -2762,6 +2762,21 @@ static const struct qmp_combo_offsets qmp_combo_offsets_v10 = {
> .dp_dp_phy = 0x3c00,
> };
>
> +static const struct qmp_combo_offsets qmp_combo_usb43dp_offsets_v6 = {
> + .com = 0x0000,
> + .txa = 0x0400,
> + .rxa = 0x0600,
> + .txb = 0x0a00,
> + .rxb = 0x0c00,
> + .usb3_serdes = 0x1000,
> + .usb3_pcs_misc = 0x1200,
> + .usb3_pcs = 0x1400,
> + .usb3_pcs_aon = 0x0100,
> + .usb3_pcs_usb = 0x1700,
> + .dp_serdes = 0x2000,
> + .dp_dp_phy = 0x2200,
> +};
> +
> static const struct qmp_combo_offsets qmp_combo_usb43dp_offsets_v8 = {
> .com = 0x0000,
> .usb3_pcs_aon = 0x0100,
> @@ -3003,7 +3018,7 @@ static const struct qmp_phy_cfg sc8280xp_usb43dpphy_cfg = {
> };
>
> static const struct qmp_phy_cfg x1e80100_usb3dpphy_cfg = {
> - .offsets = &qmp_combo_offsets_v5,
> + .offsets = &qmp_combo_usb43dp_offsets_v6,
>
> .serdes_tbl = x1e80100_usb43dp_serdes_tbl,
> .serdes_tbl_num = ARRAY_SIZE(x1e80100_usb43dp_serdes_tbl),
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