1 files changed, 99 insertions, 0 deletions

diff --git a/drivers/usb/phy/phy-am335x.c b/drivers/usb/phy/phy-am335x.c
new file mode 100644
index 000000000000..c4d614d1f173
--- /dev/null
+++ b/drivers/usb/phy/phy-am335x.c
@@ -0,0 +1,99 @@
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/usb/otg.h>
+#include <linux/usb/usb_phy_gen_xceiv.h>
+#include <linux/slab.h>
+#include <linux/clk.h>
+#include <linux/regulator/consumer.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+
+#include "am35x-phy-control.h"
+#include "phy-generic.h"
+
+struct am335x_phy {
+        struct usb_phy_gen_xceiv usb_phy_gen;
+        struct phy_control *phy_ctrl;
+        int id;
+};
+
+static int am335x_init(struct usb_phy *phy)
+{
+        struct am335x_phy *am_phy = dev_get_drvdata(phy->dev);
+
+        phy_ctrl_power(am_phy->phy_ctrl, am_phy->id, true);
+        return 0;
+}
+
+static void am335x_shutdown(struct usb_phy *phy)
+{
+        struct am335x_phy *am_phy = dev_get_drvdata(phy->dev);
+
+        phy_ctrl_power(am_phy->phy_ctrl, am_phy->id, false);
+}
+
+static int am335x_phy_probe(struct platform_device *pdev)
+{
+        struct am335x_phy *am_phy;
+        struct device *dev = &pdev->dev;
+        int ret;
+
+        am_phy = devm_kzalloc(dev, sizeof(*am_phy), GFP_KERNEL);
+        if (!am_phy)
+                return -ENOMEM;
+
+        am_phy->phy_ctrl = am335x_get_phy_control(dev);
+        if (!am_phy->phy_ctrl)
+                return -EPROBE_DEFER;
+        am_phy->id = of_alias_get_id(pdev->dev.of_node, "phy");
+        if (am_phy->id < 0) {
+                dev_err(&pdev->dev, "Missing PHY id: %d\n", am_phy->id);
+                return am_phy->id;
+        }
+
+        ret = usb_phy_gen_create_phy(dev, &am_phy->usb_phy_gen,
+                        USB_PHY_TYPE_USB2, 0, false, false);
+        if (ret)
+                return ret;
+
+        ret = usb_add_phy_dev(&am_phy->usb_phy_gen.phy);
+        if (ret)
+                goto err_add;
+        am_phy->usb_phy_gen.phy.init = am335x_init;
+        am_phy->usb_phy_gen.phy.shutdown = am335x_shutdown;
+
+        platform_set_drvdata(pdev, am_phy);
+        return 0;
+
+err_add:
+        usb_phy_gen_cleanup_phy(&am_phy->usb_phy_gen);
+        return ret;
+}
+
+static int am335x_phy_remove(struct platform_device *pdev)
+{
+        struct am335x_phy *am_phy = platform_get_drvdata(pdev);
+
+        usb_remove_phy(&am_phy->usb_phy_gen.phy);
+        return 0;
+}
+
+static const struct of_device_id am335x_phy_ids[] = {
+        { .compatible = "ti,am335x-usb-phy" },
+        { }
+};
+MODULE_DEVICE_TABLE(of, am335x_phy_ids);
+
+static struct platform_driver am335x_phy_driver = {
+        .probe          = am335x_phy_probe,
+        .remove         = am335x_phy_remove,
+        .driver         = {
+                .name   = "am335x-phy-driver",
+                .owner  = THIS_MODULE,
+                .of_match_table = of_match_ptr(am335x_phy_ids),
+        },
+};
+
+module_platform_driver(am335x_phy_driver);
+MODULE_LICENSE("GPL v2");