static int usb_phy_gen_xceiv_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct usb_phy_gen_xceiv *nop;
int err;
nop = devm_kzalloc(dev, sizeof(*nop), GFP_KERNEL);
if (!nop)
return -ENOMEM;
err = usb_phy_gen_create_phy(dev, nop, dev_get_platdata(&pdev->dev));
if (err)
return err;
nop->phy.init = usb_gen_phy_init;
nop->phy.shutdown = usb_gen_phy_shutdown;
err = usb_add_phy_dev(&nop->phy);
if (err) {
dev_err(&pdev->dev, "can't register transceiver, err: %d\n",
err);
return err;
}
platform_set_drvdata(pdev, nop);
return 0;
}
static int am335x_phy_probe(struct platform_device *pdev)
{
struct am335x_phy *am_phy;
struct device *dev = &pdev->dev;
int ret;
am_phy = devm_kzalloc(dev, sizeof(*am_phy), GFP_KERNEL);
if (!am_phy)
return -ENOMEM;
am_phy->phy_ctrl = am335x_get_phy_control(dev);
if (!am_phy->phy_ctrl)
return -EPROBE_DEFER;
am_phy->id = of_alias_get_id(pdev->dev.of_node, "phy");
if (am_phy->id < 0) {
dev_err(&pdev->dev, "Missing PHY id: %d\n", am_phy->id);
return am_phy->id;
}
ret = usb_phy_gen_create_phy(dev, &am_phy->usb_phy_gen, NULL);
if (ret)
return ret;
ret = usb_add_phy_dev(&am_phy->usb_phy_gen.phy);
if (ret)
return ret;
am_phy->usb_phy_gen.phy.init = am335x_init;
am_phy->usb_phy_gen.phy.shutdown = am335x_shutdown;
platform_set_drvdata(pdev, am_phy);
return 0;
}
static int keystone_usbphy_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct keystone_usbphy *k_phy;
struct resource *res;
int ret;
k_phy = devm_kzalloc(dev, sizeof(*k_phy), GFP_KERNEL);
if (!k_phy)
return -ENOMEM;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
k_phy->phy_ctrl = devm_ioremap_resource(dev, res);
if (IS_ERR(k_phy->phy_ctrl))
return PTR_ERR(k_phy->phy_ctrl);
ret = usb_phy_gen_create_phy(dev, &k_phy->usb_phy_gen, NULL);
if (ret)
return ret;
k_phy->usb_phy_gen.phy.init = keystone_usbphy_init;
k_phy->usb_phy_gen.phy.shutdown = keystone_usbphy_shutdown;
platform_set_drvdata(pdev, k_phy);
ret = usb_add_phy_dev(&k_phy->usb_phy_gen.phy);
if (ret)
return ret;
return 0;
}
static int usb_phy_gen_xceiv_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct usb_phy_gen_xceiv_platform_data *pdata =
dev_get_platdata(&pdev->dev);
struct usb_phy_gen_xceiv *nop;
enum usb_phy_type type = USB_PHY_TYPE_USB2;
int err;
u32 clk_rate = 0;
bool needs_vcc = false;
nop = devm_kzalloc(dev, sizeof(*nop), GFP_KERNEL);
if (!nop)
return -ENOMEM;
nop->reset_active_low = true; /* default behaviour */
if (dev->of_node) {
struct device_node *node = dev->of_node;
enum of_gpio_flags flags;
if (of_property_read_u32(node, "clock-frequency", &clk_rate))
clk_rate = 0;
needs_vcc = of_property_read_bool(node, "vcc-supply");
nop->gpio_reset = of_get_named_gpio_flags(node, "reset-gpios",
0, &flags);
if (nop->gpio_reset == -EPROBE_DEFER)
return -EPROBE_DEFER;
nop->reset_active_low = flags & OF_GPIO_ACTIVE_LOW;
} else if (pdata) {
type = pdata->type;
clk_rate = pdata->clk_rate;
needs_vcc = pdata->needs_vcc;
nop->gpio_reset = pdata->gpio_reset;
}
err = usb_phy_gen_create_phy(dev, nop, type, clk_rate, needs_vcc);
if (err)
return err;
nop->phy.init = usb_gen_phy_init;
nop->phy.shutdown = usb_gen_phy_shutdown;
err = usb_add_phy_dev(&nop->phy);
if (err) {
dev_err(&pdev->dev, "can't register transceiver, err: %d\n",
err);
return err;
}
platform_set_drvdata(pdev, nop);
return 0;
return err;
}
static int am335x_phy_probe(struct platform_device *pdev)
{
struct am335x_phy *am_phy;
struct device *dev = &pdev->dev;
int ret;
am_phy = devm_kzalloc(dev, sizeof(*am_phy), GFP_KERNEL);
if (!am_phy)
return -ENOMEM;
am_phy->phy_ctrl = am335x_get_phy_control(dev);
if (!am_phy->phy_ctrl)
return -EPROBE_DEFER;
am_phy->id = of_alias_get_id(pdev->dev.of_node, "phy");
if (am_phy->id < 0) {
dev_err(&pdev->dev, "Missing PHY id: %d\n", am_phy->id);
return am_phy->id;
}
am_phy->dr_mode = of_usb_get_dr_mode_by_phy(pdev->dev.of_node, -1);
ret = usb_phy_gen_create_phy(dev, &am_phy->usb_phy_gen, NULL);
if (ret)
return ret;
ret = usb_add_phy_dev(&am_phy->usb_phy_gen.phy);
if (ret)
return ret;
am_phy->usb_phy_gen.phy.init = am335x_init;
am_phy->usb_phy_gen.phy.shutdown = am335x_shutdown;
platform_set_drvdata(pdev, am_phy);
device_init_wakeup(dev, true);
/*
* If we leave PHY wakeup enabled then AM33XX wakes up
* immediately from DS0. To avoid this we mark dev->power.can_wakeup
* to false. The same is checked in suspend routine to decide
* on whether to enable PHY wakeup or not.
* PHY wakeup works fine in standby mode, there by allowing us to
* handle remote wakeup, wakeup on disconnect and connect.
*/
device_set_wakeup_enable(dev, false);
phy_ctrl_power(am_phy->phy_ctrl, am_phy->id, am_phy->dr_mode, false);
return 0;
}
static int usb_phy_generic_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct usb_phy_generic *nop;
int err;
nop = devm_kzalloc(dev, sizeof(*nop), GFP_KERNEL);
if (!nop)
return -ENOMEM;
err = usb_phy_gen_create_phy(dev, nop, dev_get_platdata(&pdev->dev));
if (err)
return err;
if (nop->gpiod_vbus) {
err = devm_request_threaded_irq(&pdev->dev,
gpiod_to_irq(nop->gpiod_vbus),
NULL, nop_gpio_vbus_thread,
VBUS_IRQ_FLAGS, "vbus_detect",
nop);
if (err) {
dev_err(&pdev->dev, "can't request irq %i, err: %d\n",
gpiod_to_irq(nop->gpiod_vbus), err);
return err;
}
nop->phy.otg->state = gpiod_get_value(nop->gpiod_vbus) ?
OTG_STATE_B_PERIPHERAL : OTG_STATE_B_IDLE;
}
nop->phy.init = usb_gen_phy_init;
nop->phy.shutdown = usb_gen_phy_shutdown;
err = usb_add_phy_dev(&nop->phy);
if (err) {
dev_err(&pdev->dev, "can't register transceiver, err: %d\n",
err);
return err;
}
platform_set_drvdata(pdev, nop);
return 0;
}
