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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2019 NXP
*/
#include <common.h>
#include <clk.h>
#include <dm.h>
#include <generic-phy.h>
#include <linux/usb/gadget.h>
#include <dm/device-internal.h>
#include "core.h"
#include "gadget.h"
static int cdns3_generic_peripheral_clk_init(struct udevice *dev,
struct cdns3_generic_peripheral
*priv)
{
#if CONFIG_IS_ENABLED(CLK)
int ret;
ret = clk_get_bulk(dev, &priv->clks);
if (ret == -ENOSYS)
return 0;
if (ret)
return ret;
ret = clk_enable_bulk(&priv->clks);
if (ret) {
clk_release_bulk(&priv->clks);
return ret;
}
#endif
return 0;
}
static int cdns3_generic_handle_interrupts(struct udevice *dev)
{
struct cdns3_generic_peripheral *priv = dev_get_priv(dev);
struct cdns3 *cdns3 = &priv->cdns3;
cdns3_role_irq_handler(cdns3);
return 0;
}
static int cdns3_generic_peripheral_probe(struct udevice *dev)
{
int ret;
struct cdns3_generic_peripheral *priv = dev_get_priv(dev);
struct cdns3 *cdns3 = &priv->cdns3;
cdns3->dev = dev;
ret = generic_phy_get_by_index(dev, 0, &priv->phy);
if (ret && ret != -ENOENT) {
printf("Failed to get USB PHY for %s\n", dev->name);
return ret;
}
ret = cdns3_generic_peripheral_clk_init(dev, priv);
if (ret)
return ret;
ret = cdns3_init(cdns3);
return 0;
}
static int cdns3_generic_peripheral_remove(struct udevice *dev)
{
struct cdns3_generic_peripheral *priv = dev_get_priv(dev);
struct cdns3 *cdns3 = &priv->cdns3;
cdns3_exit(cdns3);
clk_release_bulk(&priv->clks);
if (generic_phy_valid(&priv->phy))
device_remove(priv->phy.dev, DM_REMOVE_NORMAL);
return 0;
}
static int cdns3_generic_peripheral_ofdata_to_platdata(struct udevice *dev)
{
struct cdns3_generic_peripheral *priv = dev_get_priv(dev);
struct cdns3 *cdns3 = &priv->cdns3;
cdns3->none_core_regs = (void __iomem *)devfdt_get_addr_name(dev,
"none-core");
cdns3->xhci_regs = (void __iomem *)devfdt_get_addr_name(dev, "xhci");
cdns3->dev_regs = (void __iomem *)devfdt_get_addr_name(dev, "dev");
cdns3->phy_regs = (void __iomem *)devfdt_get_addr_name(dev, "phy");
cdns3->otg_regs = (void __iomem *)devfdt_get_addr_name(dev, "otg");
return 0;
}
static const struct udevice_id cdns3_generic_peripheral_ids[] = {
{ .compatible = "Cadence,usb3" },
{},
};
U_BOOT_DRIVER(cdns3_generic_peripheral) = {
.name = "cdns3-generic-peripheral",
.id = UCLASS_USB_GADGET_GENERIC,
.of_match = cdns3_generic_peripheral_ids,
.ofdata_to_platdata = cdns3_generic_peripheral_ofdata_to_platdata,
.probe = cdns3_generic_peripheral_probe,
.remove = cdns3_generic_peripheral_remove,
.handle_interrupts = cdns3_generic_handle_interrupts,
.priv_auto_alloc_size = sizeof(struct cdns3_generic_peripheral),
};
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