static int palmas_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
{
struct palmas_gpio *pg = gpiochip_get_data(gc);
struct palmas *palmas = pg->palmas;
return palmas_irq_get_virq(palmas, PALMAS_GPIO_0_IRQ + offset);
}
static int palmas_usb_probe(struct platform_device *pdev)
{
struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
struct palmas_platform_data *pdata;
struct palmas_extcon_platform_data *epdata = NULL;
struct device_node *node = pdev->dev.of_node;
struct palmas_usb *palmas_usb;
int status;
const char *ext_name = NULL;
palmas_usb = devm_kzalloc(&pdev->dev, sizeof(*palmas_usb), GFP_KERNEL);
if (!palmas_usb)
return -ENOMEM;
pdata = dev_get_platdata(pdev->dev.parent);
if (pdata)
epdata = pdata->extcon_pdata;
if (node && !epdata) {
palmas_usb->wakeup = of_property_read_bool(node, "ti,wakeup");
palmas_usb->enable_id_detection = of_property_read_bool(node,
"ti,enable-id-detection");
palmas_usb->enable_vbus_detection = of_property_read_bool(node,
"ti,enable-vbus-detection");
status = of_property_read_string(node, "extcon-name", &ext_name);
if (status < 0)
ext_name = NULL;
} else {
palmas_usb->wakeup = true;
palmas_usb->enable_id_detection = true;
palmas_usb->enable_vbus_detection = true;
if (epdata) {
palmas_usb->wakeup = epdata->wakeup;
palmas_usb->enable_id_detection =
epdata->enable_id_pin_detection;
palmas_usb->enable_vbus_detection =
epdata->enable_vbus_detection;
if (palmas_usb->enable_id_detection)
palmas_usb->wakeup = true;
ext_name = epdata->connection_name;
}
}
palmas_usb->palmas = palmas;
palmas_usb->dev = &pdev->dev;
palmas_usb->cable_debounce_time = 300;
palmas_usb->id_otg_irq = palmas_irq_get_virq(palmas, PALMAS_ID_OTG_IRQ);
palmas_usb->id_irq = palmas_irq_get_virq(palmas, PALMAS_ID_IRQ);
palmas_usb->vbus_otg_irq = palmas_irq_get_virq(palmas,
PALMAS_VBUS_OTG_IRQ);
palmas_usb->vbus_irq = palmas_irq_get_virq(palmas, PALMAS_VBUS_IRQ);
palmas_usb_wakeup(palmas, palmas_usb->wakeup);
platform_set_drvdata(pdev, palmas_usb);
palmas_usb->edev.supported_cable = palmas_extcon_cable;
palmas_usb->edev.mutually_exclusive = mutually_exclusive;
palmas_usb->edev.name = (ext_name) ? ext_name : dev_name(&pdev->dev);
status = extcon_dev_register(&palmas_usb->edev, palmas_usb->dev);
if (status < 0) {
dev_err(&pdev->dev, "failed to register extcon device\n");
return status;
}
if (palmas_usb->enable_id_detection) {
status = devm_request_threaded_irq(palmas_usb->dev,
palmas_usb->id_irq,
NULL, palmas_id_irq_handler,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING |
IRQF_ONESHOT | IRQF_EARLY_RESUME,
"palmas_usb_id", palmas_usb);
if (status < 0) {
dev_err(&pdev->dev, "can't get IRQ %d, err %d\n",
palmas_usb->id_irq, status);
goto fail_extcon;
}
status = devm_request_threaded_irq(palmas_usb->dev,
palmas_usb->id_otg_irq,
NULL, palmas_id_irq_handler,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING |
IRQF_ONESHOT | IRQF_EARLY_RESUME,
"palmas_usb_id-otg", palmas_usb);
if (status < 0) {
dev_err(&pdev->dev, "can't get IRQ %d, err %d\n",
palmas_usb->id_irq, status);
goto fail_extcon;
}
INIT_DELAYED_WORK(&palmas_usb->cable_update_wq,
palmas_usb_id_st_wq);
}
if (palmas_usb->enable_vbus_detection) {
status = devm_request_threaded_irq(palmas_usb->dev,
palmas_usb->vbus_irq, NULL,
palmas_vbus_irq_handler,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING |
IRQF_ONESHOT | IRQF_EARLY_RESUME,
"palmas_usb_vbus", palmas_usb);
if (status < 0) {
dev_err(&pdev->dev, "can't get IRQ %d, err %d\n",
palmas_usb->vbus_irq, status);
goto fail_extcon;
}
}
palmas_enable_irq(palmas_usb);
device_set_wakeup_capable(&pdev->dev, true);
return 0;
fail_extcon:
extcon_dev_unregister(&palmas_usb->edev);
if (palmas_usb->enable_id_detection)
cancel_delayed_work(&palmas_usb->cable_update_wq);
return status;
}
static int palmas_gpadc_probe(struct platform_device *pdev)
{
struct palmas_gpadc *adc;
struct palmas_platform_data *pdata;
struct palmas_gpadc_platform_data *gpadc_pdata = NULL;
struct iio_dev *iodev;
int ret, i;
pdata = dev_get_platdata(pdev->dev.parent);
if (pdata && pdata->gpadc_pdata)
gpadc_pdata = pdata->gpadc_pdata;
if (!gpadc_pdata && pdev->dev.of_node) {
ret = palmas_gpadc_get_adc_dt_data(pdev, &gpadc_pdata);
if (ret < 0)
return ret;
}
if (!gpadc_pdata) {
dev_err(&pdev->dev, "No platform data\n");
return -ENODEV;
}
iodev = iio_device_alloc(sizeof(*adc));
if (!iodev) {
dev_err(&pdev->dev, "iio_device_alloc failed\n");
return -ENOMEM;
}
if (gpadc_pdata->iio_maps) {
ret = iio_map_array_register(iodev, gpadc_pdata->iio_maps);
if (ret < 0) {
dev_err(&pdev->dev, "iio_map_array_register failed\n");
goto out;
}
}
adc = iio_priv(iodev);
adc->dev = &pdev->dev;
adc->palmas = dev_get_drvdata(pdev->dev.parent);
adc->adc_info = palmas_gpadc_info;
init_completion(&adc->conv_completion);
dev_set_drvdata(&pdev->dev, iodev);
adc->auto_conversion_period = gpadc_pdata->auto_conversion_period_ms;
adc->irq = palmas_irq_get_virq(adc->palmas, PALMAS_GPADC_EOC_SW_IRQ);
ret = request_threaded_irq(adc->irq, NULL,
palmas_gpadc_irq,
IRQF_ONESHOT | IRQF_EARLY_RESUME, dev_name(adc->dev),
adc);
if (ret < 0) {
dev_err(adc->dev,
"request irq %d failed: %dn", adc->irq, ret);
goto out_unregister_map;
}
if (gpadc_pdata->adc_wakeup1_data) {
memcpy(&adc->wakeup1_data, gpadc_pdata->adc_wakeup1_data,
sizeof(adc->wakeup1_data));
adc->wakeup1_enable = true;
adc->irq_auto_0 = platform_get_irq(pdev, 1);
ret = request_threaded_irq(adc->irq_auto_0, NULL,
palmas_gpadc_irq_auto,
IRQF_ONESHOT | IRQF_EARLY_RESUME,
"palmas-adc-auto-0", adc);
if (ret < 0) {
dev_err(adc->dev, "request auto0 irq %d failed: %dn",
adc->irq_auto_0, ret);
goto out_irq_free;
}
}
if (gpadc_pdata->adc_wakeup2_data) {
memcpy(&adc->wakeup2_data, gpadc_pdata->adc_wakeup2_data,
sizeof(adc->wakeup2_data));
adc->wakeup2_enable = true;
adc->irq_auto_1 = platform_get_irq(pdev, 2);
ret = request_threaded_irq(adc->irq_auto_1, NULL,
palmas_gpadc_irq_auto,
IRQF_ONESHOT | IRQF_EARLY_RESUME,
"palmas-adc-auto-1", adc);
if (ret < 0) {
dev_err(adc->dev, "request auto1 irq %d failed: %dn",
adc->irq_auto_1, ret);
goto out_irq_auto0_free;
}
}
if (gpadc_pdata->ch0_current == 0)
adc->ch0_current = PALMAS_ADC_CH0_CURRENT_SRC_0;
else if (gpadc_pdata->ch0_current <= 5)
adc->ch0_current = PALMAS_ADC_CH0_CURRENT_SRC_5;
else if (gpadc_pdata->ch0_current <= 15)
adc->ch0_current = PALMAS_ADC_CH0_CURRENT_SRC_15;
else
adc->ch0_current = PALMAS_ADC_CH0_CURRENT_SRC_20;
if (gpadc_pdata->ch3_current == 0)
adc->ch3_current = PALMAS_ADC_CH3_CURRENT_SRC_0;
else if (gpadc_pdata->ch3_current <= 10)
adc->ch3_current = PALMAS_ADC_CH3_CURRENT_SRC_10;
else if (gpadc_pdata->ch3_current <= 400)
adc->ch3_current = PALMAS_ADC_CH3_CURRENT_SRC_400;
else
adc->ch3_current = PALMAS_ADC_CH3_CURRENT_SRC_800;
/* If ch3_dual_current is true, it will measure ch3 input signal with
* ch3_current and the next current of ch3_current. */
adc->ch3_dual_current = gpadc_pdata->ch3_dual_current;
if (adc->ch3_dual_current &&
(adc->ch3_current == PALMAS_ADC_CH3_CURRENT_SRC_800)) {
dev_warn(adc->dev,
"Disable ch3_dual_current by wrong current setting\n");
adc->ch3_dual_current = false;
}
adc->extended_delay = gpadc_pdata->extended_delay;
iodev->name = MOD_NAME;
iodev->dev.parent = &pdev->dev;
iodev->info = &palmas_gpadc_iio_info;
iodev->modes = INDIO_DIRECT_MODE;
iodev->channels = palmas_gpadc_iio_channel;
iodev->num_channels = ARRAY_SIZE(palmas_gpadc_iio_channel);
ret = iio_device_register(iodev);
if (ret < 0) {
dev_err(adc->dev, "iio_device_register() failed: %d\n", ret);
goto out_irq_auto1_free;
}
device_set_wakeup_capable(&pdev->dev, 1);
for (i = 0; i < PALMAS_ADC_CH_MAX; i++) {
if (!(adc->adc_info[i].is_correct_code))
palmas_gpadc_calibrate(adc, i);
}
if (adc->wakeup1_enable || adc->wakeup2_enable)
device_wakeup_enable(&pdev->dev);
return 0;
out_irq_auto1_free:
if (gpadc_pdata->adc_wakeup2_data)
free_irq(adc->irq_auto_1, adc);
out_irq_auto0_free:
if (gpadc_pdata->adc_wakeup1_data)
free_irq(adc->irq_auto_0, adc);
out_irq_free:
free_irq(adc->irq, adc);
out_unregister_map:
if (gpadc_pdata->iio_maps)
iio_map_array_unregister(iodev);
out:
iio_device_free(iodev);
return ret;
}