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.
Signed-off-by: Dmitry Baryshkov <[email protected]> --- drivers/bluetooth/hci_qca.c | 26 ++++++++++++++++++-------- 1 file changed, 18 insertions(+), 8 deletions(-) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index b54350317a43..d1402a344063 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -2230,6 +2230,18 @@ static void qca_power_shutdown(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); @@ -2241,8 +2253,6 @@ static void qca_power_shutdown(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; @@ -2414,6 +2424,11 @@ 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_WCN6855: case QCA_WCN7850: case QCA_WCN6750: @@ -2438,12 +2453,7 @@ 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); -- 2.47.3
