Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / usb / musb / musb_am335x.c

diff --git a/kernel/drivers/usb/musb/musb_am335x.c b/kernel/drivers/usb/musb/musb_am335x.c
new file mode 100644 (file)
index 0000000..1e58ed2
--- /dev/null
+++ b/kernel/drivers/usb/musb/musb_am335x.c
@@ -0,0 +1,43 @@
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+
+static int am335x_child_probe(struct platform_device *pdev)
+{
+       int ret;
+
+       pm_runtime_enable(&pdev->dev);
+
+       ret = of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
+       if (ret)
+               goto err;
+
+       return 0;
+err:
+       pm_runtime_disable(&pdev->dev);
+       return ret;
+}
+
+static const struct of_device_id am335x_child_of_match[] = {
+       { .compatible = "ti,am33xx-usb" },
+       {  },
+};
+MODULE_DEVICE_TABLE(of, am335x_child_of_match);
+
+static struct platform_driver am335x_child_driver = {
+       .probe          = am335x_child_probe,
+       .driver         = {
+               .name   = "am335x-usb-childs",
+               .of_match_table = am335x_child_of_match,
+       },
+};
+
+static int __init am335x_child_init(void)
+{
+       return platform_driver_register(&am335x_child_driver);
+}
+module_init(am335x_child_init);
+
+MODULE_DESCRIPTION("AM33xx child devices");
+MODULE_LICENSE("GPL v2");