#include <linux/usb.h>
#include <linux/io.h>
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
+#include <linux/slab.h>
#include <linux/usb/isp1760.h>
#include <linux/usb/hcd.h>
#include "isp1760-hcd.h"
-#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
-#include <linux/slab.h>
-#include <linux/of.h>
-#include <linux/of_platform.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#endif
-
#ifdef CONFIG_PCI
#include <linux/pci.h>
#endif
-#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
-static int of_isp1760_probe(struct platform_device *dev)
-{
- struct usb_hcd *hcd;
- struct device_node *dp = dev->dev.of_node;
- struct resource *res;
- struct resource memory;
- int virq;
- resource_size_t res_len;
- int ret;
- unsigned int devflags = 0;
- u32 bus_width = 0;
-
- ret = of_address_to_resource(dp, 0, &memory);
- if (ret)
- return -ENXIO;
-
- res_len = resource_size(&memory);
-
- res = request_mem_region(memory.start, res_len, dev_name(&dev->dev));
- if (!res)
- return -EBUSY;
-
- virq = irq_of_parse_and_map(dp, 0);
- if (!virq) {
- ret = -ENODEV;
- goto release_reg;
- }
-
- if (of_device_is_compatible(dp, "nxp,usb-isp1761"))
- devflags |= ISP1760_FLAG_ISP1761;
-
- /* Some systems wire up only 16 of the 32 data lines */
- of_property_read_u32(dp, "bus-width", &bus_width);
- if (bus_width == 16)
- devflags |= ISP1760_FLAG_BUS_WIDTH_16;
-
- if (of_get_property(dp, "port1-otg", NULL) != NULL)
- devflags |= ISP1760_FLAG_OTG_EN;
-
- if (of_get_property(dp, "analog-oc", NULL) != NULL)
- devflags |= ISP1760_FLAG_ANALOG_OC;
-
- if (of_get_property(dp, "dack-polarity", NULL) != NULL)
- devflags |= ISP1760_FLAG_DACK_POL_HIGH;
-
- if (of_get_property(dp, "dreq-polarity", NULL) != NULL)
- devflags |= ISP1760_FLAG_DREQ_POL_HIGH;
-
- hcd = isp1760_register(memory.start, res_len, virq, IRQF_SHARED,
- &dev->dev, dev_name(&dev->dev), devflags);
- if (IS_ERR(hcd)) {
- ret = PTR_ERR(hcd);
- goto release_reg;
- }
-
- platform_set_drvdata(dev, hcd);
- return ret;
-
-release_reg:
- release_mem_region(memory.start, res_len);
- return ret;
-}
-
-static int of_isp1760_remove(struct platform_device *dev)
-{
- struct usb_hcd *hcd = platform_get_drvdata(dev);
-
- usb_remove_hcd(hcd);
- iounmap(hcd->regs);
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
- usb_put_hcd(hcd);
-
- return 0;
-}
-
-static const struct of_device_id of_isp1760_match[] = {
- {
- .compatible = "nxp,usb-isp1760",
- },
- {
- .compatible = "nxp,usb-isp1761",
- },
- { },
-};
-MODULE_DEVICE_TABLE(of, of_isp1760_match);
-
-static struct platform_driver isp1760_of_driver = {
- .driver = {
- .name = "nxp-isp1760",
- .of_match_table = of_isp1760_match,
- },
- .probe = of_isp1760_probe,
- .remove = of_isp1760_remove,
-};
-#endif
-
#ifdef CONFIG_PCI
static int isp1761_pci_probe(struct pci_dev *dev,
const struct pci_device_id *id)
static int isp1760_plat_probe(struct platform_device *pdev)
{
- int ret = 0;
- struct usb_hcd *hcd;
+ unsigned long irqflags = IRQF_SHARED;
+ unsigned int devflags = 0;
struct resource *mem_res;
struct resource *irq_res;
resource_size_t mem_size;
- struct isp1760_platform_data *priv = dev_get_platdata(&pdev->dev);
- unsigned int devflags = 0;
- unsigned long irqflags = IRQF_SHARED;
+ struct usb_hcd *hcd;
+ int ret;
mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem_res) {
pr_warning("isp1760: Memory resource not available\n");
- ret = -ENODEV;
- goto out;
+ return -ENODEV;
}
mem_size = resource_size(mem_res);
if (!request_mem_region(mem_res->start, mem_size, "isp1760")) {
pr_warning("isp1760: Cannot reserve the memory resource\n");
- ret = -EBUSY;
- goto out;
+ return -EBUSY;
}
irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
irqflags |= irq_res->flags & IRQF_TRIGGER_MASK;
- if (priv) {
- if (priv->is_isp1761)
+ if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) {
+ struct device_node *dp = pdev->dev.of_node;
+ u32 bus_width = 0;
+
+ if (of_device_is_compatible(dp, "nxp,usb-isp1761"))
devflags |= ISP1760_FLAG_ISP1761;
- if (priv->bus_width_16)
+
+ /* Some systems wire up only 16 of the 32 data lines */
+ of_property_read_u32(dp, "bus-width", &bus_width);
+ if (bus_width == 16)
devflags |= ISP1760_FLAG_BUS_WIDTH_16;
- if (priv->port1_otg)
+
+ if (of_property_read_bool(dp, "port1-otg"))
devflags |= ISP1760_FLAG_OTG_EN;
- if (priv->analog_oc)
+
+ if (of_property_read_bool(dp, "analog-oc"))
devflags |= ISP1760_FLAG_ANALOG_OC;
- if (priv->dack_polarity_high)
+
+ if (of_property_read_bool(dp, "dack-polarity"))
devflags |= ISP1760_FLAG_DACK_POL_HIGH;
- if (priv->dreq_polarity_high)
+
+ if (of_property_read_bool(dp, "dreq-polarity"))
+ devflags |= ISP1760_FLAG_DREQ_POL_HIGH;
+ } else if (dev_get_platdata(&pdev->dev)) {
+ struct isp1760_platform_data *pdata =
+ dev_get_platdata(&pdev->dev);
+
+ if (pdata->is_isp1761)
+ devflags |= ISP1760_FLAG_ISP1761;
+ if (pdata->bus_width_16)
+ devflags |= ISP1760_FLAG_BUS_WIDTH_16;
+ if (pdata->port1_otg)
+ devflags |= ISP1760_FLAG_OTG_EN;
+ if (pdata->analog_oc)
+ devflags |= ISP1760_FLAG_ANALOG_OC;
+ if (pdata->dack_polarity_high)
+ devflags |= ISP1760_FLAG_DACK_POL_HIGH;
+ if (pdata->dreq_polarity_high)
devflags |= ISP1760_FLAG_DREQ_POL_HIGH;
}
hcd = isp1760_register(mem_res->start, mem_size, irq_res->start,
irqflags, &pdev->dev, dev_name(&pdev->dev),
devflags);
-
- platform_set_drvdata(pdev, hcd);
-
if (IS_ERR(hcd)) {
pr_warning("isp1760: Failed to register the HCD device\n");
- ret = -ENODEV;
+ ret = PTR_ERR(hcd);
goto cleanup;
}
+ platform_set_drvdata(pdev, hcd);
+
pr_info("ISP1760 USB device initialised\n");
- return ret;
+ return 0;
cleanup:
release_mem_region(mem_res->start, mem_size);
-out:
return ret;
}
return 0;
}
+#ifdef CONFIG_OF
+static const struct of_device_id isp1760_of_match[] = {
+ { .compatible = "nxp,usb-isp1760", },
+ { .compatible = "nxp,usb-isp1761", },
+ { },
+};
+MODULE_DEVICE_TABLE(of, isp1760_of_match);
+#endif
+
static struct platform_driver isp1760_plat_driver = {
.probe = isp1760_plat_probe,
.remove = isp1760_plat_remove,
.driver = {
.name = "isp1760",
+ .of_match_table = of_match_ptr(isp1760_of_match),
},
};
ret = platform_driver_register(&isp1760_plat_driver);
if (!ret)
any_ret = 0;
-#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
- ret = platform_driver_register(&isp1760_of_driver);
- if (!ret)
- any_ret = 0;
-#endif
#ifdef CONFIG_PCI
ret = pci_register_driver(&isp1761_pci_driver);
if (!ret)
static void __exit isp1760_exit(void)
{
platform_driver_unregister(&isp1760_plat_driver);
-#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
- platform_driver_unregister(&isp1760_of_driver);
-#endif
#ifdef CONFIG_PCI
pci_unregister_driver(&isp1761_pci_driver);
#endif
projects / cascardo / linux.git / commitdiff