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#include <common.h>
#include <init.h>
#include <io.h>
#include <malloc.h>
#include <linux/err.h>
#include "am35x-phy-control.h"
#include "musb_core.h"
struct am335x_usbphy {
void __iomem *base;
struct phy_control *phy_ctrl;
int id;
struct usb_phy phy;
};
static struct am335x_usbphy *am_usbphy;
struct usb_phy *am335x_get_usb_phy(void)
{
return &am_usbphy->phy;
}
static int am335x_init(struct usb_phy *phy)
{
struct am335x_usbphy *am_usbphy = container_of(phy, struct am335x_usbphy, phy);
phy_ctrl_power(am_usbphy->phy_ctrl, am_usbphy->id, true);
return 0;
}
static int am335x_phy_probe(struct device_d *dev)
{
struct resource *iores;
int ret;
am_usbphy = xzalloc(sizeof(*am_usbphy));
if (!am_usbphy)
return -ENOMEM;
iores = dev_request_mem_resource(dev, 0);
if (IS_ERR(iores)) {
ret = PTR_ERR(iores);
goto err_free;
}
am_usbphy->base = IOMEM(iores->start);
am_usbphy->phy_ctrl = am335x_get_phy_control(dev);
if (!am_usbphy->phy_ctrl)
return -ENODEV;
am_usbphy->id = of_alias_get_id(dev->device_node, "phy");
if (am_usbphy->id < 0) {
dev_err(dev, "Missing PHY id: %d\n", am_usbphy->id);
return am_usbphy->id;
}
am_usbphy->phy.init = am335x_init;
dev->priv = am_usbphy;
dev_info(dev, "am_usbphy %p enabled\n", &am_usbphy->phy);
return 0;
err_free:
free(am_usbphy);
return ret;
};
static __maybe_unused struct of_device_id am335x_phy_dt_ids[] = {
{
.compatible = "ti,am335x-usb-phy",
}, {
/* sentinel */
},
};
static struct driver_d am335x_phy_driver = {
.name = "am335x-phy-driver",
.probe = am335x_phy_probe,
.of_compatible = DRV_OF_COMPAT(am335x_phy_dt_ids),
};
static int am335x_phy_init(void)
{
return platform_driver_register(&am335x_phy_driver);
}
fs_initcall(am335x_phy_init);
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