From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx> Use the pwrseq subsystem's consumer API to run the power-up sequence for the Bluetooth module of the QCA6390 package. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx> --- drivers/bluetooth/hci_qca.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 94b8c406f0c0..21c306caafbc 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -28,6 +28,7 @@ #include <linux/of.h> #include <linux/acpi.h> #include <linux/platform_device.h> +#include <linux/pwrseq/consumer.h> #include <linux/regulator/consumer.h> #include <linux/serdev.h> #include <linux/mutex.h> @@ -214,6 +215,7 @@ struct qca_power { struct regulator_bulk_data *vreg_bulk; int num_vregs; bool vregs_on; + struct pwrseq_desc *pwrseq; }; struct qca_serdev { @@ -1791,6 +1793,11 @@ static int qca_power_on(struct hci_dev *hdev) ret = qca_regulator_init(hu); break; + case QCA_QCA6390: + qcadev = serdev_device_get_drvdata(hu->serdev); + ret = pwrseq_power_on(qcadev->bt_power->pwrseq); + break; + default: qcadev = serdev_device_get_drvdata(hu->serdev); if (qcadev->bt_en) { @@ -2160,6 +2167,10 @@ static void qca_power_shutdown(struct hci_uart *hu) } break; + case QCA_QCA6390: + pwrseq_power_off(qcadev->bt_power->pwrseq); + break; + default: gpiod_set_value_cansleep(qcadev->bt_en, 0); } @@ -2298,12 +2309,25 @@ static int qca_serdev_probe(struct serdev_device *serdev) case QCA_WCN6750: case QCA_WCN6855: case QCA_WCN7850: + case QCA_QCA6390: qcadev->bt_power = devm_kzalloc(&serdev->dev, sizeof(struct qca_power), GFP_KERNEL); if (!qcadev->bt_power) return -ENOMEM; + break; + default: + break; + } + switch (qcadev->btsoc_type) { + case QCA_WCN3988: + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: + case QCA_WCN6750: + case QCA_WCN6855: + case QCA_WCN7850: qcadev->bt_power->dev = &serdev->dev; err = qca_init_regulators(qcadev->bt_power, data->vregs, data->num_vregs); @@ -2344,6 +2368,12 @@ static int qca_serdev_probe(struct serdev_device *serdev) } break; + case QCA_QCA6390: + qcadev->bt_power->pwrseq = devm_pwrseq_get(&serdev->dev); + if (IS_ERR(qcadev->bt_power->pwrseq)) + return PTR_ERR(qcadev->bt_power->pwrseq); + fallthrough; + default: qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable", GPIOD_OUT_LOW); -- 2.40.1