1 // SPDX-License-Identifier: GPL-2.0+
3  * USB cluster support for Armada 375 platform.
7  * Gregory CLEMENT <gregory.clement@free-electrons.com>
10  * USB3 controller. The USB cluster control register allows to manage
14 #include <dt-bindings/phy/phy.h>
38 		return -ENODEV;  in armada375_usb_phy_init()
40 	reg = readl(cluster_phy->reg);  in armada375_usb_phy_init()
41 	if (cluster_phy->use_usb3)  in armada375_usb_phy_init()
45 	writel(reg, cluster_phy->reg);  in armada375_usb_phy_init()
69 		return  ERR_PTR(-ENODEV);  in armada375_usb_phy_xlate()
77 	if (WARN_ON((cluster_phy->phy_provided != PHY_NONE) &&  in armada375_usb_phy_xlate()
78 			(cluster_phy->phy_provided != args->args[0]))) {  in armada375_usb_phy_xlate()
81 		if (args->args[0] == PHY_TYPE_USB2)  in armada375_usb_phy_xlate()
82 			return ERR_PTR(-EBUSY);  in armada375_usb_phy_xlate()
84 			return ERR_PTR(-ENODEV);  in armada375_usb_phy_xlate()
87 	if (args->args[0] == PHY_TYPE_USB2)  in armada375_usb_phy_xlate()
88 		cluster_phy->use_usb3 = false;  in armada375_usb_phy_xlate()
89 	else if (args->args[0] == PHY_TYPE_USB3)  in armada375_usb_phy_xlate()
90 		cluster_phy->use_usb3 = true;  in armada375_usb_phy_xlate()
92 		dev_err(dev, "Invalid PHY mode\n");  in armada375_usb_phy_xlate()
93 		return ERR_PTR(-ENODEV);  in armada375_usb_phy_xlate()
96 	/* Store which phy mode is used for next test */  in armada375_usb_phy_xlate()
97 	cluster_phy->phy_provided = args->args[0];  in armada375_usb_phy_xlate()
99 	return cluster_phy->phy;  in armada375_usb_phy_xlate()
104 	struct device *dev = &pdev->dev;  in armada375_usb_phy_probe()
112 		return  -ENOMEM;  in armada375_usb_phy_probe()
124 	cluster_phy->phy = phy;  in armada375_usb_phy_probe()
125 	cluster_phy->reg = usb_cluster_base;  in armada375_usb_phy_probe()
130 	phy_provider = devm_of_phy_provider_register(&pdev->dev,  in armada375_usb_phy_probe()
136 	{ .compatible = "marvell,armada-375-usb-cluster", },
144 		.name  = "armada-375-usb-cluster",