kernel/drivers/usb/musb/musb_am335x.c

   1 #include <linux/platform_device.h>
   2 #include <linux/pm_runtime.h>
   3 #include <linux/module.h>
   4 #include <linux/of_platform.h>
   5
   6 static int am335x_child_probe(struct platform_device *pdev)
   7 {
   8         int ret;
   9
  10         pm_runtime_enable(&pdev->dev);
  11
  12         ret = of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
  13         if (ret)
  14                 goto err;
  15
  16         return 0;
  17 err:
  18         pm_runtime_disable(&pdev->dev);
  19         return ret;
  20 }
  21
  22 static const struct of_device_id am335x_child_of_match[] = {
  23         { .compatible = "ti,am33xx-usb" },
  24         {  },
  25 };
  26 MODULE_DEVICE_TABLE(of, am335x_child_of_match);
  27
  28 static struct platform_driver am335x_child_driver = {
  29         .probe          = am335x_child_probe,
  30         .driver         = {
  31                 .name   = "am335x-usb-childs",
  32                 .of_match_table = am335x_child_of_match,
  33         },
  34 };
  35
  36 static int __init am335x_child_init(void)
  37 {
  38         return platform_driver_register(&am335x_child_driver);
  39 }
  40 module_init(am335x_child_init);
  41
  42 MODULE_DESCRIPTION("AM33xx child devices");
  43 MODULE_LICENSE("GPL v2");