This driver is meant to be used with any EHCI-compatible host controller in case if there's no need for platform-specific glue such as setup of controller or PHY's power mode via GPIOs etc. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Stephen Warren <swarren@nvidia.com> Cc: Simon Glass <sjg@chromium.org> Cc: Marek Vasut <marex@denx.de>master
parent
40c920821d
commit
90fbb2823a
@ -0,0 +1,50 @@ |
||||
/*
|
||||
* Copyright (C) 2015 Alexey Brodkin <abrodkin@synopsys.com> |
||||
* |
||||
* SPDX-License-Identifier: GPL-2.0+ |
||||
*/ |
||||
|
||||
#include <common.h> |
||||
#include <dm.h> |
||||
#include "ehci.h" |
||||
|
||||
/*
|
||||
* Even though here we don't explicitly use "struct ehci_ctrl" |
||||
* ehci_register() expects it to be the first thing that resides in |
||||
* device's private data. |
||||
*/ |
||||
struct generic_ehci { |
||||
struct ehci_ctrl ctrl; |
||||
}; |
||||
|
||||
static int ehci_usb_probe(struct udevice *dev) |
||||
{ |
||||
struct ehci_hccr *hccr = (struct ehci_hccr *)dev_get_addr(dev); |
||||
struct ehci_hcor *hcor; |
||||
|
||||
hcor = (struct ehci_hcor *)((uintptr_t)hccr + |
||||
HC_LENGTH(ehci_readl(&hccr->cr_capbase))); |
||||
|
||||
return ehci_register(dev, hccr, hcor, NULL, 0, USB_INIT_HOST); |
||||
} |
||||
|
||||
static int ehci_usb_remove(struct udevice *dev) |
||||
{ |
||||
return ehci_deregister(dev); |
||||
} |
||||
|
||||
static const struct udevice_id ehci_usb_ids[] = { |
||||
{ .compatible = "generic-ehci" }, |
||||
{ } |
||||
}; |
||||
|
||||
U_BOOT_DRIVER(ehci_generic) = { |
||||
.name = "ehci_generic", |
||||
.id = UCLASS_USB, |
||||
.of_match = ehci_usb_ids, |
||||
.probe = ehci_usb_probe, |
||||
.remove = ehci_usb_remove, |
||||
.ops = &ehci_usb_ops, |
||||
.priv_auto_alloc_size = sizeof(struct generic_ehci), |
||||
.flags = DM_FLAG_ALLOC_PRIV_DMA, |
||||
}; |
Loading…
Reference in new issue