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>
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,
+};