static int ci13xxx_msm_probe(struct platform_device *pdev)
{
struct ci13xxx_msm_context *ctx;
struct platform_device *plat_ci;
struct resource *res;
int ret, rc;
struct ci13xxx_platform_data *pdata = pdev->dev.platform_data;
dev_dbg(&pdev->dev, "ci13xxx_msm_probe\n");
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
if (pdata) {
/* Acceptable values for nz_itc are: 0,1,2,4,8,16,32,64 */
if (pdata->log2_itc > CI13XXX_MSM_MAX_LOG2_ITC ||
pdata->log2_itc <= 0)
ci13xxx_msm_platdata.nz_itc = 0;
else
ci13xxx_msm_platdata.nz_itc = 1 << (pdata->log2_itc-1);
ci13xxx_msm_platdata.l1_supported = pdata->l1_supported;
}
res = platform_get_resource_byname(pdev, IORESOURCE_IO, "USB_RESUME");
if (res) {
ret = ci13xxx_msm_install_wake_gpio(pdev, res);
if (ret < 0) {
dev_err(&pdev->dev, "gpio irq install failed\n");
return ret;
}
}
plat_ci = ci13xxx_add_device(&pdev->dev,
pdev->resource, pdev->num_resources,
&ci13xxx_msm_platdata);
if (IS_ERR(plat_ci)) {
dev_err(&pdev->dev, "ci13xxx_add_device failed!\n");
goto gpio_uninstall;
}
platform_set_drvdata(pdev, ctx);
pm_runtime_no_callbacks(&pdev->dev);
pm_runtime_enable(&pdev->dev);
return 0;
gpio_uninstall:
ci13xxx_msm_uninstall_wake_gpio(pdev);
return PTR_ERR(plat_ci);
}
static int __devinit ci13xxx_msm_probe(struct platform_device *pdev)
{
struct platform_device *plat_ci;
dev_dbg(&pdev->dev, "ci13xxx_msm_probe\n");
plat_ci = ci13xxx_add_device(&pdev->dev,
pdev->resource, pdev->num_resources,
&ci13xxx_msm_platdata);
if (IS_ERR(plat_ci)) {
dev_err(&pdev->dev, "ci13xxx_add_device failed!\n");
return PTR_ERR(plat_ci);
}
platform_set_drvdata(pdev, plat_ci);
pm_runtime_no_callbacks(&pdev->dev);
pm_runtime_enable(&pdev->dev);
return 0;
}
static int __devinit ci13xxx_imx_probe(struct platform_device *pdev)
{
struct ci13xxx_imx_data *data;
struct platform_device *plat_ci, *phy_pdev;
struct device_node *phy_np;
struct resource *res;
struct regulator *reg_vbus;
struct pinctrl *pinctrl;
int ret;
if (of_find_property(pdev->dev.of_node, "fsl,usbmisc", NULL)
&& !usbmisc_ops)
return -EPROBE_DEFER;
data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
if (!data) {
dev_err(&pdev->dev, "Failed to allocate CI13xxx-IMX data!\n");
return -ENOMEM;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "Can't get device resources!\n");
return -ENOENT;
}
pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
if (IS_ERR(pinctrl))
dev_warn(&pdev->dev, "pinctrl get/select failed, err=%ld\n",
PTR_ERR(pinctrl));
data->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(data->clk)) {
dev_err(&pdev->dev,
"Failed to get clock, err=%ld\n", PTR_ERR(data->clk));
return PTR_ERR(data->clk);
}
ret = clk_prepare_enable(data->clk);
if (ret) {
dev_err(&pdev->dev,
"Failed to prepare or enable clock, err=%d\n", ret);
return ret;
}
phy_np = of_parse_phandle(pdev->dev.of_node, "fsl,usbphy", 0);
if (phy_np) {
data->phy_np = phy_np;
phy_pdev = of_find_device_by_node(phy_np);
if (phy_pdev) {
struct usb_phy *phy;
phy = pdev_to_phy(phy_pdev);
if (phy &&
try_module_get(phy_pdev->dev.driver->owner)) {
usb_phy_init(phy);
data->phy = phy;
}
}
}
/* we only support host now, so enable vbus here */
reg_vbus = devm_regulator_get(&pdev->dev, "vbus");
if (!IS_ERR(reg_vbus)) {
ret = regulator_enable(reg_vbus);
if (ret) {
dev_err(&pdev->dev,
"Failed to enable vbus regulator, err=%d\n",
ret);
goto put_np;
}
data->reg_vbus = reg_vbus;
} else {
reg_vbus = NULL;
}
ci13xxx_imx_platdata.phy = data->phy;
if (!pdev->dev.dma_mask) {
pdev->dev.dma_mask = devm_kzalloc(&pdev->dev,
sizeof(*pdev->dev.dma_mask), GFP_KERNEL);
if (!pdev->dev.dma_mask) {
ret = -ENOMEM;
dev_err(&pdev->dev, "Failed to alloc dma_mask!\n");
goto err;
}
*pdev->dev.dma_mask = DMA_BIT_MASK(32);
dma_set_coherent_mask(&pdev->dev, *pdev->dev.dma_mask);
}
if (usbmisc_ops && usbmisc_ops->init) {
ret = usbmisc_ops->init(&pdev->dev);
if (ret) {
dev_err(&pdev->dev,
"usbmisc init failed, ret=%d\n", ret);
goto err;
}
}
plat_ci = ci13xxx_add_device(&pdev->dev,
pdev->resource, pdev->num_resources,
&ci13xxx_imx_platdata);
if (IS_ERR(plat_ci)) {
ret = PTR_ERR(plat_ci);
dev_err(&pdev->dev,
"Can't register ci_hdrc platform device, err=%d\n",
ret);
goto err;
}
data->ci_pdev = plat_ci;
platform_set_drvdata(pdev, data);
pm_runtime_no_callbacks(&pdev->dev);
pm_runtime_enable(&pdev->dev);
return 0;
err:
if (reg_vbus)
regulator_disable(reg_vbus);
put_np:
if (phy_np)
of_node_put(phy_np);
clk_disable_unprepare(data->clk);
return ret;
}
