1 files changed, 114 insertions, 0 deletions
diff --git a/drivers/usb/host/ohci-generic.c b/drivers/usb/host/ohci-generic.c
new file mode 100644
index 00000000000..cc44226f5e0
--- /dev/null
+++ b/drivers/usb/host/ohci-generic.c
@@ -0,0 +1,114 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2015 Alexey Brodkin <abrodkin@synopsys.com>
+ */
+
+#include <clk.h>
+#include <dm.h>
+#include <log.h>
+#include <dm/device_compat.h>
+#include <dm/devres.h>
+#include <dm/ofnode.h>
+#include <generic-phy.h>
+#include <reset.h>
+#include "ohci.h"
+
+struct generic_ohci {
+	ohci_t ohci;
+	struct clk_bulk clocks;	/* clock list */
+	struct reset_ctl_bulk resets; /* reset list */
+	struct phy phy;
+};
+
+static int ohci_usb_probe(struct udevice *dev)
+{
+	struct ohci_regs *regs = dev_read_addr_ptr(dev);
+	struct generic_ohci *priv = dev_get_priv(dev);
+	int err, ret;
+
+	ret = clk_get_bulk(dev, &priv->clocks);
+	if (ret && ret != -ENOENT) {
+		dev_err(dev, "Failed to get clocks (ret=%d)\n", ret);
+		return ret;
+	}
+
+	err = clk_enable_bulk(&priv->clocks);
+	if (err) {
+		dev_err(dev, "Failed to enable clocks (err=%d)\n", err);
+		goto clk_err;
+	}
+
+	err = reset_get_bulk(dev, &priv->resets);
+	if (err && err != -ENOENT) {
+		dev_err(dev, "failed to get resets (err=%d)\n", err);
+		goto clk_err;
+	}
+
+	err = reset_deassert_bulk(&priv->resets);
+	if (err) {
+		dev_err(dev, "failed to deassert resets (err=%d)\n", err);
+		goto reset_err;
+	}
+
+	err = generic_setup_phy(dev, &priv->phy, 0, PHY_MODE_USB_HOST, 0);
+	if (err)
+		goto reset_err;
+
+	err = ohci_register(dev, regs);
+	if (err)
+		goto phy_err;
+
+	return 0;
+
+phy_err:
+	ret = generic_shutdown_phy(&priv->phy);
+	if (ret)
+		dev_err(dev, "failed to shutdown usb phy\n");
+
+reset_err:
+	ret = reset_release_bulk(&priv->resets);
+	if (ret)
+		dev_err(dev, "failed to release resets (ret=%d)\n", ret);
+clk_err:
+	ret = clk_release_bulk(&priv->clocks);
+	if (ret)
+		dev_err(dev, "failed to release clocks (ret=%d)\n", ret);
+
+	return err;
+}
+
+static int ohci_usb_remove(struct udevice *dev)
+{
+	struct generic_ohci *priv = dev_get_priv(dev);
+	int ret;
+
+	ret = ohci_deregister(dev);
+	if (ret)
+		return ret;
+
+	ret = generic_shutdown_phy(&priv->phy);
+	if (ret)
+		return ret;
+
+	ret = reset_release_bulk(&priv->resets);
+	if (ret)
+		return ret;
+
+	return clk_release_bulk(&priv->clocks);
+}
+
+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	= sizeof(struct generic_ohci),
+	.flags	= DM_FLAG_ALLOC_PRIV_DMA,
+};