static int twl6030_usb_probe(struct platform_device *pdev)
{
u32 ret;
struct twl6030_usb *twl;
int status, err;
struct device_node *np = pdev->dev.of_node;
struct device *dev = &pdev->dev;
struct twl4030_usb_data *pdata = dev_get_platdata(dev);
twl = devm_kzalloc(dev, sizeof(*twl), GFP_KERNEL);
if (!twl)
return -ENOMEM;
twl->dev = &pdev->dev;
twl->irq1 = platform_get_irq(pdev, 0);
twl->irq2 = platform_get_irq(pdev, 1);
twl->linkstat = MUSB_UNKNOWN;
twl->comparator.set_vbus = twl6030_set_vbus;
twl->comparator.start_srp = twl6030_start_srp;
ret = omap_usb2_set_comparator(&twl->comparator);
if (ret == -ENODEV) {
dev_info(&pdev->dev, "phy not ready, deferring probe");
return -EPROBE_DEFER;
}
if (np) {
twl->regulator = "usb";
} else if (pdata) {
if (pdata->features & TWL6032_SUBCLASS)
twl->regulator = "ldousb";
else
twl->regulator = "vusb";
} else {
dev_err(&pdev->dev, "twl6030 initialized without pdata\n");
return -EINVAL;
}
/* init spinlock for workqueue */
spin_lock_init(&twl->lock);
err = twl6030_usb_ldo_init(twl);
if (err) {
dev_err(&pdev->dev, "ldo init failed\n");
return err;
}
platform_set_drvdata(pdev, twl);
if (device_create_file(&pdev->dev, &dev_attr_vbus))
dev_warn(&pdev->dev, "could not create sysfs file\n");
INIT_WORK(&twl->set_vbus_work, otg_set_vbus_work);
status = request_threaded_irq(twl->irq1, NULL, twl6030_usbotg_irq,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | IRQF_ONESHOT,
"twl6030_usb", twl);
if (status < 0) {
dev_err(&pdev->dev, "can't get IRQ %d, err %d\n",
twl->irq1, status);
device_remove_file(twl->dev, &dev_attr_vbus);
return status;
}
status = request_threaded_irq(twl->irq2, NULL, twl6030_usb_irq,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | IRQF_ONESHOT,
"twl6030_usb", twl);
if (status < 0) {
dev_err(&pdev->dev, "can't get IRQ %d, err %d\n",
twl->irq2, status);
free_irq(twl->irq1, twl);
device_remove_file(twl->dev, &dev_attr_vbus);
return status;
}
twl->asleep = 0;
twl6030_enable_irq(twl);
dev_info(&pdev->dev, "Initialized TWL6030 USB module\n");
return 0;
}
static int __devinit twl6030_usb_probe(struct platform_device *pdev)
{
struct twl6030_usb *twl;
int status, err;
struct twl4030_usb_data *pdata;
struct device *dev = &pdev->dev;
pdata = dev->platform_data;
twl = kzalloc(sizeof *twl, GFP_KERNEL);
if (!twl)
return -ENOMEM;
twl->dev = &pdev->dev;
twl->irq1 = platform_get_irq(pdev, 0);
twl->irq2 = platform_get_irq(pdev, 1);
twl->features = pdata->features;
twl->otg.dev = twl->dev;
twl->otg.label = "twl6030";
twl->otg.set_host = twl6030_set_host;
twl->otg.set_peripheral = twl6030_set_peripheral;
twl->otg.set_vbus = twl6030_set_vbus;
twl->otg.init = twl6030_phy_init;
twl->otg.shutdown = twl6030_phy_shutdown;
twl->otg.set_suspend = twl6030_phy_suspend;
twl->otg.start_srp = twl6030_start_srp;
/* init spinlock for workqueue */
spin_lock_init(&twl->lock);
err = twl6030_usb_ldo_init(twl);
if (err) {
dev_err(&pdev->dev, "ldo init failed\n");
kfree(twl);
return err;
}
otg_set_transceiver(&twl->otg);
platform_set_drvdata(pdev, twl);
if (device_create_file(&pdev->dev, &dev_attr_vbus))
dev_warn(&pdev->dev, "could not create sysfs file\n");
ATOMIC_INIT_NOTIFIER_HEAD(&twl->otg.notifier);
INIT_WORK(&twl->set_vbus_work, otg_set_vbus_work);
twl->irq_enabled = true;
status = request_threaded_irq(twl->irq1, NULL, twl6030_usbotg_irq,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
"twl6030_usb", twl);
if (status < 0) {
dev_err(&pdev->dev, "can't get IRQ %d, err %d\n",
twl->irq1, status);
device_remove_file(twl->dev, &dev_attr_vbus);
kfree(twl);
return status;
}
status = request_threaded_irq(twl->irq2, NULL, twl6030_usb_irq,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
"twl6030_usb", twl);
if (status < 0) {
dev_err(&pdev->dev, "can't get IRQ %d, err %d\n",
twl->irq2, status);
free_irq(twl->irq1, twl);
device_remove_file(twl->dev, &dev_attr_vbus);
kfree(twl);
return status;
}
twl->asleep = 0;
pdata->phy_init(dev);
twl6030_phy_suspend(&twl->otg, 0);
twl6030_enable_irq(&twl->otg);
dev_info(&pdev->dev, "Initialized TWL6030 USB module\n");
return 0;
}
static int __devinit twl6030_usb_probe(struct platform_device *pdev)
{
struct twl6030_usb *twl;
int status;
struct twl4030_usb_data *pdata;
struct device *dev = &pdev->dev;
pdata = dev->platform_data;
twl = kzalloc(sizeof *twl, GFP_KERNEL);
if (!twl)
return -ENOMEM;
twl->dev = &pdev->dev;
twl->irq1 = platform_get_irq(pdev, 0);
twl->irq2 = platform_get_irq(pdev, 1);
twl->otg.dev = twl->dev;
twl->otg.label = "twl6030";
twl->otg.set_host = twl6030_set_host;
twl->otg.set_peripheral = twl6030_set_peripheral;
twl->otg.set_vbus = twl6030_set_vbus;
twl->otg.set_hz_mode = twl6030_set_hz_mode;
twl->otg.init = twl6030_phy_init;
twl->otg.shutdown = twl6030_phy_shutdown;
twl->otg.enable_irq = twl6030_enable_irq;
/*We need to make sure ID comparator is ON*/
twl6030_writeb(twl, TWL6030_MODULE_ID0 , 0x1, TWL6030_BACKUP_REG);
/* init spinlock for workqueue */
spin_lock_init(&twl->lock);
wake_lock_init(&twl_lock, WAKE_LOCK_SUSPEND, "twl_wake_lock");
otg_set_transceiver(&twl->otg);
platform_set_drvdata(pdev, twl);
if (device_create_file(&pdev->dev, &dev_attr_vbus))
dev_warn(&pdev->dev, "could not create sysfs file\n");
BLOCKING_INIT_NOTIFIER_HEAD(&twl->otg.notifier);
twl->irq_enabled = true;
status = request_threaded_irq(twl->irq1, NULL, twl6030_usbotg_irq,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
"twl6030_usb", twl);
if (status < 0) {
dev_err(&pdev->dev, "can't get IRQ %d, err %d\n",
twl->irq1, status);
device_remove_file(twl->dev, &dev_attr_vbus);
kfree(twl);
return status;
}
status = request_threaded_irq(twl->irq2, NULL, twl6030_usb_irq,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
"twl6030_usb", twl);
if (status < 0) {
dev_err(&pdev->dev, "can't get IRQ %d, err %d\n",
twl->irq2, status);
free_irq(twl->irq1, twl);
device_remove_file(twl->dev, &dev_attr_vbus);
kfree(twl);
return status;
}
twl->asleep = 0;
pdata->phy_init(dev);
twl6030_enable_irq(&twl->otg);
dev_info(&pdev->dev, "Initialized TWL6030 USB module\n");
return 0;
}
