2  * USB cluster support for Armada 375 platform.
6  * Gregory CLEMENT <gregory.clement@free-electrons.com>
13  * USB3 controller. The USB cluster control register allows to manage
17 #include <dt-bindings/phy/phy.h>
42 		return -ENODEV;  in armada375_usb_phy_init()
44 	reg = readl(cluster_phy->reg);  in armada375_usb_phy_init()
45 	if (cluster_phy->use_usb3)  in armada375_usb_phy_init()
49 	writel(reg, cluster_phy->reg);  in armada375_usb_phy_init()
73 		return  ERR_PTR(-ENODEV);  in armada375_usb_phy_xlate()
81 	if (WARN_ON((cluster_phy->phy_provided != PHY_NONE) &&  in armada375_usb_phy_xlate()
82 			(cluster_phy->phy_provided != args->args[0]))) {  in armada375_usb_phy_xlate()
85 		if (args->args[0] == PHY_TYPE_USB2)  in armada375_usb_phy_xlate()
86 			return ERR_PTR(-EBUSY);  in armada375_usb_phy_xlate()
88 			return ERR_PTR(-ENODEV);  in armada375_usb_phy_xlate()
91 	if (args->args[0] == PHY_TYPE_USB2)  in armada375_usb_phy_xlate()
92 		cluster_phy->use_usb3 = false;  in armada375_usb_phy_xlate()
93 	else if (args->args[0] == PHY_TYPE_USB3)  in armada375_usb_phy_xlate()
94 		cluster_phy->use_usb3 = true;  in armada375_usb_phy_xlate()
96 		dev_err(dev, "Invalid PHY mode\n");  in armada375_usb_phy_xlate()
97 		return ERR_PTR(-ENODEV);  in armada375_usb_phy_xlate()
100 	/* Store which phy mode is used for next test */  in armada375_usb_phy_xlate()
101 	cluster_phy->phy_provided = args->args[0];  in armada375_usb_phy_xlate()
103 	return cluster_phy->phy;  in armada375_usb_phy_xlate()
108 	struct device *dev = &pdev->dev;  in armada375_usb_phy_probe()
117 		return  -ENOMEM;  in armada375_usb_phy_probe()
120 	usb_cluster_base = devm_ioremap_resource(&pdev->dev, res);  in armada375_usb_phy_probe()
130 	cluster_phy->phy = phy;  in armada375_usb_phy_probe()
131 	cluster_phy->reg = usb_cluster_base;  in armada375_usb_phy_probe()
136 	phy_provider = devm_of_phy_provider_register(&pdev->dev,  in armada375_usb_phy_probe()
142 	{ .compatible = "marvell,armada-375-usb-cluster", },
151 		.name  = "armada-375-usb-cluster",
156 MODULE_DESCRIPTION("Armada 375 USB cluster driver");
157 MODULE_AUTHOR("Gregory CLEMENT <gregory.clement@free-electrons.com>");