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>

1 files changed, 45 insertions, 0 deletions

diff --git a/drivers/usb/host/ohci-generic.c b/drivers/usb/host/ohci-generic.c
new file mode 100644
index 0000000000..f3307f47a7
--- /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,
+};