1 // SPDX-License-Identifier: GPL-2.0
5  * - OpenFirmware
6  * - PCI
7  * - PDEV (generic platform device centralized driver model)
14 #include <linux/usb.h>
21 #include <linux/usb/hcd.h>
22 #include <linux/usb/otg.h>
24 #include "isp1760-core.h"
25 #include "isp1760-regs.h"
46 		return -ENOMEM;  in isp1761_pci_init()
49 	if (!request_mem_region(mem_start, mem_length, "ISP-PCI")) {  in isp1761_pci_init()
51 		return -EBUSY;  in isp1761_pci_init()
59 		return -ENOMEM;  in isp1761_pci_init()
83 		retry_count--;  in isp1761_pci_init()
93 		dev_err(&dev->dev, "scratch register mismatch %x\n", reg_data);  in isp1761_pci_init()
94 		return -ENOMEM;  in isp1761_pci_init()
103 		return -EBUSY;  in isp1761_pci_init()
110 		return -ENOMEM;  in isp1761_pci_init()
132 	if (!dev->irq)  in isp1761_pci_probe()
133 		return -ENODEV;  in isp1761_pci_probe()
136 		return -ENODEV;  in isp1761_pci_probe()
144 	ret = isp1760_register(&dev->resource[3], dev->irq, 0, &dev->dev,  in isp1761_pci_probe()
158 	isp1760_unregister(&dev->dev);  in isp1761_pci_remove()
205 	if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) {  in isp1760_plat_probe()
206 		struct device_node *dp = pdev->dev.of_node;  in isp1760_plat_probe()
209 		if (of_device_is_compatible(dp, "nxp,usb-isp1761"))  in isp1760_plat_probe()
212 		if (of_device_is_compatible(dp, "nxp,usb-isp1763"))  in isp1760_plat_probe()
219 		of_property_read_u32(dp, "bus-width", &bus_width);  in isp1760_plat_probe()
225 		if (usb_get_dr_mode(&pdev->dev) == USB_DR_MODE_PERIPHERAL)  in isp1760_plat_probe()
228 		if (of_property_read_bool(dp, "analog-oc"))  in isp1760_plat_probe()
231 		if (of_property_read_bool(dp, "dack-polarity"))  in isp1760_plat_probe()
234 		if (of_property_read_bool(dp, "dreq-polarity"))  in isp1760_plat_probe()
238 		return -ENXIO;  in isp1760_plat_probe()
241 	ret = isp1760_register(mem_res, irq, irqflags, &pdev->dev, devflags);  in isp1760_plat_probe()
245 	pr_info("ISP1760 USB device initialised\n");  in isp1760_plat_probe()
251 	isp1760_unregister(&pdev->dev);  in isp1760_plat_remove()
256 	{ .compatible = "nxp,usb-isp1760", },
257 	{ .compatible = "nxp,usb-isp1761", },
258 	{ .compatible = "nxp,usb-isp1763", },
275 	int ret, any_ret = -ENODEV;  in isp1760_init()