diff options
Diffstat (limited to 'drivers/usb/chipidea/ci_hdrc_pci.c')
| -rw-r--r-- | drivers/usb/chipidea/ci_hdrc_pci.c | 55 |
1 files changed, 38 insertions, 17 deletions
diff --git a/drivers/usb/chipidea/ci_hdrc_pci.c b/drivers/usb/chipidea/ci_hdrc_pci.c index 042320a6c6c7..d63479e1ad10 100644 --- a/drivers/usb/chipidea/ci_hdrc_pci.c +++ b/drivers/usb/chipidea/ci_hdrc_pci.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ci_hdrc_pci.c - MIPS USB IP core family device controller * * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved. * * Author: David Lopo - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/platform_device.h> @@ -16,10 +13,16 @@ #include <linux/interrupt.h> #include <linux/usb/gadget.h> #include <linux/usb/chipidea.h> +#include <linux/usb/usb_phy_generic.h> /* driver name */ #define UDC_DRIVER_NAME "ci_hdrc_pci" +struct ci_hdrc_pci { + struct platform_device *ci; + struct platform_device *phy; +}; + /****************************************************************************** * PCI block *****************************************************************************/ @@ -52,7 +55,7 @@ static int ci_hdrc_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct ci_hdrc_platform_data *platdata = (void *)id->driver_data; - struct platform_device *plat_ci; + struct ci_hdrc_pci *ci; struct resource res[3]; int retval = 0, nres = 2; @@ -61,6 +64,10 @@ static int ci_hdrc_pci_probe(struct pci_dev *pdev, return -ENODEV; } + ci = devm_kzalloc(&pdev->dev, sizeof(*ci), GFP_KERNEL); + if (!ci) + return -ENOMEM; + retval = pcim_enable_device(pdev); if (retval) return retval; @@ -73,6 +80,11 @@ static int ci_hdrc_pci_probe(struct pci_dev *pdev, pci_set_master(pdev); pci_try_set_mwi(pdev); + /* register a nop PHY */ + ci->phy = usb_phy_generic_register(); + if (IS_ERR(ci->phy)) + return PTR_ERR(ci->phy); + memset(res, 0, sizeof(res)); res[0].start = pci_resource_start(pdev, 0); res[0].end = pci_resource_end(pdev, 0); @@ -80,13 +92,14 @@ static int ci_hdrc_pci_probe(struct pci_dev *pdev, res[1].start = pdev->irq; res[1].flags = IORESOURCE_IRQ; - plat_ci = ci_hdrc_add_device(&pdev->dev, res, nres, platdata); - if (IS_ERR(plat_ci)) { + ci->ci = ci_hdrc_add_device(&pdev->dev, res, nres, platdata); + if (IS_ERR(ci->ci)) { dev_err(&pdev->dev, "ci_hdrc_add_device failed!\n"); - return PTR_ERR(plat_ci); + usb_phy_generic_unregister(ci->phy); + return PTR_ERR(ci->ci); } - pci_set_drvdata(pdev, plat_ci); + pci_set_drvdata(pdev, ci); return 0; } @@ -101,18 +114,22 @@ static int ci_hdrc_pci_probe(struct pci_dev *pdev, */ static void ci_hdrc_pci_remove(struct pci_dev *pdev) { - struct platform_device *plat_ci = pci_get_drvdata(pdev); + struct ci_hdrc_pci *ci = pci_get_drvdata(pdev); - ci_hdrc_remove_device(plat_ci); + ci_hdrc_remove_device(ci->ci); + usb_phy_generic_unregister(ci->phy); } -/** +/* * PCI device table * PCI device structure * * Check "pci.h" for details + * + * Note: ehci-pci driver may try to probe the device first. You have to add an + * ID to the bypass_pci_id_table in ehci-pci driver to prevent this. */ -static DEFINE_PCI_DEVICE_TABLE(ci_hdrc_pci_id_table) = { +static const struct pci_device_id ci_hdrc_pci_id_table[] = { { PCI_DEVICE(0x153F, 0x1004), .driver_data = (kernel_ulong_t)&pci_platdata, @@ -122,14 +139,19 @@ static DEFINE_PCI_DEVICE_TABLE(ci_hdrc_pci_id_table) = { .driver_data = (kernel_ulong_t)&pci_platdata, }, { - PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0811), + PCI_VDEVICE(INTEL, 0x0811), .driver_data = (kernel_ulong_t)&langwell_pci_platdata, }, { - PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0829), + PCI_VDEVICE(INTEL, 0x0829), + .driver_data = (kernel_ulong_t)&penwell_pci_platdata, + }, + { + /* Intel Clovertrail */ + PCI_VDEVICE(INTEL, 0xe006), .driver_data = (kernel_ulong_t)&penwell_pci_platdata, }, - { 0, 0, 0, 0, 0, 0, 0 /* end: all zeroes */ } + { 0 } /* end: all zeroes */ }; MODULE_DEVICE_TABLE(pci, ci_hdrc_pci_id_table); @@ -145,5 +167,4 @@ module_pci_driver(ci_hdrc_pci_driver); MODULE_AUTHOR("MIPS - David Lopo <dlopo@chipidea.mips.com>"); MODULE_DESCRIPTION("MIPS CI13XXX USB Peripheral Controller"); MODULE_LICENSE("GPL"); -MODULE_VERSION("June 2008"); MODULE_ALIAS("platform:ci13xxx_pci"); |