static int samsung_usb3phy_probe(struct platform_device *pdev)
{
struct samsung_usbphy *sphy;
struct samsung_usbphy_data *pdata = dev_get_platdata(&pdev->dev);
struct device *dev = &pdev->dev;
struct resource *phy_mem;
void __iomem *phy_base;
struct clk *clk;
int ret;
phy_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
phy_base = devm_ioremap_resource(dev, phy_mem);
if (IS_ERR(phy_base))
return PTR_ERR(phy_base);
sphy = devm_kzalloc(dev, sizeof(*sphy), GFP_KERNEL);
if (!sphy)
return -ENOMEM;
clk = devm_clk_get(dev, "usbdrd30");
if (IS_ERR(clk)) {
dev_err(dev, "Failed to get device clock\n");
return PTR_ERR(clk);
}
sphy->dev = dev;
if (dev->of_node) {
ret = samsung_usbphy_parse_dt(sphy);
if (ret < 0)
return ret;
} else {
if (!pdata) {
dev_err(dev, "no platform data specified\n");
return -EINVAL;
}
}
sphy->plat = pdata;
sphy->regs = phy_base;
sphy->clk = clk;
sphy->phy.dev = sphy->dev;
sphy->phy.label = "samsung-usb3phy";
sphy->phy.type = USB_PHY_TYPE_USB3;
sphy->phy.init = samsung_usb3phy_init;
sphy->phy.shutdown = samsung_usb3phy_shutdown;
sphy->drv_data = samsung_usbphy_get_driver_data(pdev);
sphy->ref_clk_freq = samsung_usbphy_get_refclk_freq(sphy);
if (sphy->ref_clk_freq < 0)
return -EINVAL;
spin_lock_init(&sphy->lock);
platform_set_drvdata(pdev, sphy);
return usb_add_phy_dev(&sphy->phy);
}
static int samsung_usbphy_probe(struct platform_device *pdev)
{
struct samsung_usbphy *sphy;
struct usb_otg *otg;
struct samsung_usbphy_data *pdata = pdev->dev.platform_data;
const struct samsung_usbphy_drvdata *drv_data;
struct device *dev = &pdev->dev;
struct resource *phy_mem;
void __iomem *phy_base;
struct clk *clk;
int ret;
phy_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!phy_mem) {
dev_err(dev, "%s: missing mem resource\n", __func__);
return -ENODEV;
}
phy_base = devm_ioremap_resource(dev, phy_mem);
if (IS_ERR(phy_base))
return PTR_ERR(phy_base);
sphy = devm_kzalloc(dev, sizeof(*sphy), GFP_KERNEL);
if (!sphy)
return -ENOMEM;
otg = devm_kzalloc(dev, sizeof(*otg), GFP_KERNEL);
if (!otg)
return -ENOMEM;
drv_data = samsung_usbphy_get_driver_data(pdev);
if (drv_data->cpu_type == TYPE_EXYNOS5250)
clk = devm_clk_get(dev, "usbhost");
else
clk = devm_clk_get(dev, "otg");
if (IS_ERR(clk)) {
dev_err(dev, "Failed to get otg clock\n");
return PTR_ERR(clk);
}
sphy->dev = dev;
if (dev->of_node) {
ret = samsung_usbphy_parse_dt(sphy);
if (ret < 0)
return ret;
} else {
if (!pdata) {
dev_err(dev, "no platform data specified\n");
return -EINVAL;
}
}
sphy->plat = pdata;
sphy->regs = phy_base;
sphy->clk = clk;
sphy->drv_data = drv_data;
sphy->phy.dev = sphy->dev;
sphy->phy.label = "samsung-usbphy";
sphy->phy.init = samsung_usbphy_init;
sphy->phy.shutdown = samsung_usbphy_shutdown;
sphy->ref_clk_freq = samsung_usbphy_get_refclk_freq(sphy);
sphy->phy.otg = otg;
sphy->phy.otg->phy = &sphy->phy;
sphy->phy.otg->set_host = samsung_usbphy_set_host;
spin_lock_init(&sphy->lock);
platform_set_drvdata(pdev, sphy);
return usb_add_phy(&sphy->phy, USB_PHY_TYPE_USB2);
}
static int samsung_usb2phy_probe(struct platform_device *pdev)
{
struct samsung_usbphy *sphy;
struct usb_otg *otg;
struct samsung_usbphy_data *pdata = pdev->dev.platform_data;
const struct samsung_usbphy_drvdata *drv_data;
struct device *dev = &pdev->dev;
struct resource *phy_mem;
void __iomem *phy_base;
struct clk *clk;
int ret;
phy_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
phy_base = devm_ioremap_resource(dev, phy_mem);
if (IS_ERR(phy_base))
return PTR_ERR(phy_base);
sphy = devm_kzalloc(dev, sizeof(*sphy), GFP_KERNEL);
if (!sphy)
return -ENOMEM;
otg = devm_kzalloc(dev, sizeof(*otg), GFP_KERNEL);
if (!otg)
return -ENOMEM;
drv_data = samsung_usbphy_get_driver_data(pdev);
if (drv_data->cpu_type == TYPE_EXYNOS5250 ||
drv_data->cpu_type == TYPE_EXYNOS5)
clk = devm_clk_get(dev, "usbhost");
else
clk = devm_clk_get(dev, "otg");
if (IS_ERR(clk)) {
dev_err(dev, "Failed to get otg clock\n");
return PTR_ERR(clk);
}
sphy->dev = dev;
if (dev->of_node) {
ret = samsung_usbphy_parse_dt(sphy);
if (ret < 0)
return ret;
} else {
if (!pdata) {
dev_err(dev, "no platform data specified\n");
return -EINVAL;
}
}
sphy->plat = pdata;
sphy->regs = phy_base;
sphy->clk = clk;
sphy->drv_data = drv_data;
sphy->phy.dev = sphy->dev;
sphy->phy.label = "samsung-usb2phy";
sphy->phy.type = USB_PHY_TYPE_USB2;
sphy->phy.init = samsung_usb2phy_init;
sphy->phy.shutdown = samsung_usb2phy_shutdown;
sphy->phy.is_active = samsung_usb2phy_is_active;
sphy->ref_clk_freq = samsung_usbphy_get_refclk_freq(sphy);
sphy->phy.otg = otg;
sphy->phy.otg->phy = &sphy->phy;
sphy->phy.otg->set_host = samsung_usbphy_set_host;
if (of_property_read_u32(sphy->dev->of_node,
"samsung,hsicphy_en_mask", (u32 *)&drv_data->hsicphy_en_mask))
dev_dbg(dev, "Failed to get hsicphy_en_mask\n");
else if (of_property_read_u32(sphy->dev->of_node,
"samsung,hsicphy_reg_offset",
(u32 *)&drv_data->hsicphy_reg_offset))
dev_dbg(dev, "Failed to get hsicphy_en_mask\n");
else
sphy->has_hsic_pmureg = true;
spin_lock_init(&sphy->lock);
ret = clk_prepare(sphy->clk);
if (ret) {
dev_err(dev, "clk_prepare failed\n");
return ret;
}
platform_set_drvdata(pdev, sphy);
ret = usb_add_phy_dev(&sphy->phy);
if (ret) {
dev_err(dev, "Failed to add PHY\n");
goto err1;
}
return 0;
err1:
clk_unprepare(sphy->clk);
return ret;
}