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| author | Alexey Brodkin <Alexey.Brodkin@synopsys.com> | 2015-12-14 17:18:50 +0300 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2015-12-17 21:54:41 +0100 |
| commit | fee331f66c923bd1b481b4a72fe7814e5436daed (patch) | |
| tree | 50cc38caca87f1f789812fbdfa6b0c0b78e35c32 | |
| parent | 70cc443d5833b27dd4dd4a48a771778c39734f75 (diff) | |
| download | u-boot-imx-fee331f66c923bd1b481b4a72fe7814e5436daed.zip u-boot-imx-fee331f66c923bd1b481b4a72fe7814e5436daed.tar.gz u-boot-imx-fee331f66c923bd1b481b4a72fe7814e5436daed.tar.bz2 | |
usb: add support of generic OHCI devices
This driver is meant to be used with any OHCI-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: Simon Glass <sjg@chromium.org>
Cc: Marek Vasut <marex@denx.de>
| -rw-r--r-- | drivers/usb/host/Kconfig | 8 | ||||
| -rw-r--r-- | drivers/usb/host/Makefile | 1 | ||||
| -rw-r--r-- | drivers/usb/host/ohci-generic.c | 45 |
3 files changed, 54 insertions, 0 deletions
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 0096a2f..39f7185 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -26,6 +26,14 @@ config USB_XHCI_UNIPHIER endif +config USB_OHCI_GENERIC + bool "Support for generic OHCI USB controller" + depends on OF_CONTROL + depends on DM_USB + default n + ---help--- + Enables support for generic OHCI controller. + config USB_EHCI_HCD bool "EHCI HCD (USB 2.0) support" ---help--- diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 0b4b458..6183b80 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -21,6 +21,7 @@ obj-$(CONFIG_USB_OHCI_S3C24XX) += ohci-s3c24xx.o obj-$(CONFIG_USB_OHCI_EP93XX) += ohci-ep93xx.o obj-$(CONFIG_USB_OHCI_SUNXI) += ohci-sunxi.o obj-$(CONFIG_USB_OHCI_LPC32XX) += ohci-lpc32xx.o +obj-$(CONFIG_USB_OHCI_GENERIC) += ohci-generic.o # echi obj-$(CONFIG_USB_EHCI) += ehci-hcd.o diff --git a/drivers/usb/host/ohci-generic.c b/drivers/usb/host/ohci-generic.c new file mode 100644 index 0000000..f3307f4 --- /dev/null +++ b/drivers/usb/host/ohci-generic.c @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2015 Alexey Brodkin <abrodkin@synopsys.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include "ohci.h" + +#if !defined(CONFIG_USB_OHCI_NEW) +# error "Generic OHCI driver requires CONFIG_USB_OHCI_NEW" +#endif + +struct generic_ohci { + ohci_t ohci; +}; + +static int ohci_usb_probe(struct udevice *dev) +{ + struct ohci_regs *regs = (struct ohci_regs *)dev_get_addr(dev); + + return ohci_register(dev, regs); +} + +static int ohci_usb_remove(struct udevice *dev) +{ + return ohci_deregister(dev); +} + +static const struct udevice_id ohci_usb_ids[] = { + { .compatible = "generic-ohci" }, + { } +}; + +U_BOOT_DRIVER(ohci_generic) = { + .name = "ohci_generic", + .id = UCLASS_USB, + .of_match = ohci_usb_ids, + .probe = ohci_usb_probe, + .remove = ohci_usb_remove, + .ops = &ohci_usb_ops, + .priv_auto_alloc_size = sizeof(struct generic_ohci), + .flags = DM_FLAG_ALLOC_PRIV_DMA, +}; |