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usb: host: xhci-dwc3: Convert driver to DM

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Add Driver Model support with use of generic DT
compatible string "snps,dwc3"

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Patrice Chotard 2017-07-18 11:38:40 +02:00 committed by Marek Vasut
parent 121a4d13e6
commit b7c1c7d2ba
1 changed files with 46 additions and 0 deletions
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46
drivers/usb/host/xhci-dwc3.c
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@ -9,9 +9,15 @@
*/
#include <common.h>
#include <dm.h>
#include <usb.h>
#include "xhci.h"
#include <asm/io.h>
#include <linux/usb/dwc3.h>
DECLARE_GLOBAL_DATA_PTR;
void dwc3_set_mode(struct dwc3 *dwc3_reg, u32 mode)
{
clrsetbits_le32(&dwc3_reg->g_ctl,
@ -97,3 +103,43 @@ void dwc3_set_fladj(struct dwc3 *dwc3_reg, u32 val)
setbits_le32(&dwc3_reg->g_fladj, GFLADJ_30MHZ_REG_SEL |
GFLADJ_30MHZ(val));
}
static int xhci_dwc3_probe(struct udevice *dev)
{
struct xhci_dwc3_platdata *plat = dev_get_platdata(dev);
struct xhci_hcor *hcor;
struct xhci_hccr *hccr;
struct dwc3 *dwc3_reg;
hccr = (struct xhci_hccr *)devfdt_get_addr(dev);
hcor = (struct xhci_hcor *)((phys_addr_t)hccr +
HC_LENGTH(xhci_readl(&(hccr)->cr_capbase)));
dwc3_reg = (struct dwc3 *)((char *)(hccr) + DWC3_REG_OFFSET);
dwc3_core_init(dwc3_reg);
return xhci_register(dev, hccr, hcor);
}
static int xhci_dwc3_remove(struct udevice *dev)
{
return xhci_deregister(dev);
}
static const struct udevice_id xhci_dwc3_ids[] = {
{ .compatible = "snps,dwc3" },
{ }
};
U_BOOT_DRIVER(xhci_dwc3) = {
.name = "xhci-dwc3",
.id = UCLASS_USB,
.of_match = xhci_dwc3_ids,
.probe = xhci_dwc3_probe,
.remove = xhci_dwc3_remove,
.ops = &xhci_usb_ops,
.priv_auto_alloc_size = sizeof(struct xhci_ctrl),
.platdata_auto_alloc_size = sizeof(struct xhci_dwc3_platdata),
.flags = DM_FLAG_ALLOC_PRIV_DMA,
};