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Bluetooth: qca: enable pwrseq support for WCN39xx devices 

The WCN39xx family of WiFi/BT chips incorporates a simple PMU, spreading
voltages over internal rails. Implement support for using powersequencer
for this family of QCA devices in addition to using regulators.

Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
master
Dmitry Baryshkov 2026-03-11 01:02:58 +02:00 committed by Luiz Augusto von Dentz
parent 15a315e417
commit 9f168e4de5
1 changed files with 18 additions and 8 deletions
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26
drivers/bluetooth/hci_qca.c
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@ -2241,6 +2241,18 @@ static void qca_power_off(struct hci_uart *hu)
qcadev = serdev_device_get_drvdata(hu->serdev);
power = qcadev->bt_power;
switch (soc_type) {
case QCA_WCN3988:
case QCA_WCN3990:
case QCA_WCN3991:
case QCA_WCN3998:
host_set_baudrate(hu, 2400);
qca_send_power_pulse(hu, false);
break;
default:
break;
}
if (power && power->pwrseq) {
pwrseq_power_off(power->pwrseq);
set_bit(QCA_BT_OFF, &qca->flags);
@ -2252,8 +2264,6 @@ static void qca_power_off(struct hci_uart *hu)
case QCA_WCN3990:
case QCA_WCN3991:
case QCA_WCN3998:
host_set_baudrate(hu, 2400);
qca_send_power_pulse(hu, false);
qca_regulator_disable(qcadev);
break;
@ -2425,6 +2435,11 @@ static int qca_serdev_probe(struct serdev_device *serdev)
}
switch (qcadev->btsoc_type) {
case QCA_WCN3950:
case QCA_WCN3988:
case QCA_WCN3990:
case QCA_WCN3991:
case QCA_WCN3998:
case QCA_WCN6750:
case QCA_WCN6855:
case QCA_WCN7850:
@ -2449,12 +2464,7 @@ static int qca_serdev_probe(struct serdev_device *serdev)
else
break;
}
fallthrough;
case QCA_WCN3950:
case QCA_WCN3988:
case QCA_WCN3990:
case QCA_WCN3991:
case QCA_WCN3998:
qcadev->bt_power->dev = &serdev->dev;
err = qca_init_regulators(qcadev->bt_power, data->vregs,
data->num_vregs);