drivers/usb/musb/musb_am335x.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <linux/platform_device.h>
   3 #include <linux/pm_runtime.h>
   4 #include <linux/module.h>
   5 #include <linux/of_platform.h>
   6
   7 static int am335x_child_probe(struct platform_device *pdev)
   8 {
   9         int ret;
  10
  11         pm_runtime_enable(&pdev->dev);
  12
  13         ret = of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
  14         if (ret)
  15                 goto err;
  16
  17         return 0;
  18 err:
  19         pm_runtime_disable(&pdev->dev);
  20         return ret;
  21 }
  22
  23 static const struct of_device_id am335x_child_of_match[] = {
  24         { .compatible = "ti,am33xx-usb" },
  25         {  },
  26 };
  27 MODULE_DEVICE_TABLE(of, am335x_child_of_match);
  28
  29 static struct platform_driver am335x_child_driver = {
  30         .probe          = am335x_child_probe,
  31         .driver         = {
  32                 .name   = "am335x-usb-childs",
  33                 .of_match_table = am335x_child_of_match,
  34         },
  35 };
  36
  37 static int __init am335x_child_init(void)
  38 {
  39         return platform_driver_register(&am335x_child_driver);
  40 }
  41 module_init(am335x_child_init);
  42
  43 MODULE_DESCRIPTION("AM33xx child devices");
  44 MODULE_LICENSE("GPL v2");