Adopt usb xhci-omap to driver model
Signed-off-by: Mugunthan V N mugunthanvnm@ti.com --- drivers/usb/host/xhci-omap.c | 77 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+)
diff --git a/drivers/usb/host/xhci-omap.c b/drivers/usb/host/xhci-omap.c index fd19f79..50ab16f 100644 --- a/drivers/usb/host/xhci-omap.c +++ b/drivers/usb/host/xhci-omap.c @@ -20,6 +20,8 @@ #include <linux/usb/dwc3.h> #include <linux/usb/xhci-omap.h>
+#include <dm.h> + #include "xhci.h"
/* Declare global data pointer */ @@ -98,3 +100,78 @@ void xhci_hcd_stop(int index) omap_xhci_core_exit(ctx); board_usb_cleanup(index, USB_INIT_HOST); } + +#ifdef CONFIG_DM_USB + +static int xhci_omap_ofdata_to_platdata(struct udevice *dev) +{ + struct omap_xhci *ctx = dev_get_priv(dev); + const void *fdt = gd->fdt_blob; + int usbnode; + int physnode; + + usbnode = fdt_subnode_offset(fdt, dev->of_offset, "usb"); + + ctx->hcd = (struct xhci_hccr *)fdtdec_get_addr(fdt, usbnode, "reg"); + ctx->dwc3_reg = (struct dwc3 *)((char *)(ctx->hcd) + DWC3_REG_OFFSET); + + physnode = fdtdec_lookup_phandle(fdt, usbnode, "phys"); + ctx->usb3_phy = (struct omap_usb3_phy *)fdtdec_get_addr(fdt, physnode, + "reg"); + + ctx->usb3_phy = (struct omap_usb3_phy *)OMAP_OCP1_SCP_BASE; + ctx->otg_wrapper = (struct omap_dwc_wrapper *)ctx->dwc3_reg; + + return 0; +} + +static int xhci_omap_probe(struct udevice *dev) +{ + struct omap_xhci *ctx = dev_get_priv(dev); + struct xhci_hcor *hcor; + int ret; + + enable_usb_clocks(1); + + hcor = (struct xhci_hcor *)((uint32_t)ctx->hcd + + HC_LENGTH(xhci_readl(&ctx->hcd->cr_capbase))); + + ret = omap_xhci_core_init(ctx); + if (ret) { + puts("XHCI: failed to initialize controller\n"); + return -EINVAL; + } + + return xhci_register(dev, ctx->hcd, hcor); +} + +static int xhci_omap_remove(struct udevice *dev) +{ + struct omap_xhci *ctx = dev_get_priv(dev); + int ret; + + ret = xhci_deregister(dev); + if (ret) + return ret; + omap_xhci_core_exit(ctx); + + return 0; +} + +static const struct udevice_id xhci_omap_ids[] = { + { .compatible = "ti,am437x-xhci" }, + { } +}; + +U_BOOT_DRIVER(usb_ehci) = { + .name = "xhci_omap", + .id = UCLASS_USB, + .of_match = xhci_omap_ids, + .ofdata_to_platdata = xhci_omap_ofdata_to_platdata, + .probe = xhci_omap_probe, + .remove = xhci_omap_remove, + .ops = &xhci_usb_ops, + .priv_auto_alloc_size = sizeof(struct omap_xhci), + .flags = DM_FLAG_ALLOC_PRIV_DMA, +}; +#endif /* CONFIG_DM_USB */