/* * RDC321x MFD southbrige driver * * Copyright (C) 2007-2010 Florian Fainelli <florian@openwrt.org> * Copyright (C) 2010 Bernhard Loos <bernhardloos@googlemail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include <linux/init.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/pci.h> #include <linux/mfd/core.h> #include <linux/mfd/rdc321x.h> static struct rdc321x_wdt_pdata rdc321x_wdt_pdata; static struct resource rdc321x_wdt_resource[] = { { .name = "wdt-reg", .start = RDC321X_WDT_CTRL, .end = RDC321X_WDT_CTRL + 0x3, .flags = IORESOURCE_IO, } }; static struct rdc321x_gpio_pdata rdc321x_gpio_pdata = { .max_gpios = RDC321X_MAX_GPIO, }; static struct resource rdc321x_gpio_resources[] = { { .name = "gpio-reg1", .start = RDC321X_GPIO_CTRL_REG1, .end = RDC321X_GPIO_CTRL_REG1 + 0x7, .flags = IORESOURCE_IO, }, { .name = "gpio-reg2", .start = RDC321X_GPIO_CTRL_REG2, .end = RDC321X_GPIO_CTRL_REG2 + 0x7, .flags = IORESOURCE_IO, } }; static struct mfd_cell rdc321x_sb_cells[] = { { .name = "rdc321x-wdt", .resources = rdc321x_wdt_resource, .num_resources = ARRAY_SIZE(rdc321x_wdt_resource), .driver_data = &rdc321x_wdt_pdata, }, { .name = "rdc321x-gpio", .resources = rdc321x_gpio_resources, .num_resources = ARRAY_SIZE(rdc321x_gpio_resources), .driver_data = &rdc321x_gpio_pdata, }, }; static int __devinit rdc321x_sb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { int err; err = pci_enable_device(pdev); if (err) { dev_err(&pdev->dev, "failed to enable device\n"); return err; } rdc321x_gpio_pdata.sb_pdev = pdev; rdc321x_wdt_pdata.sb_pdev = pdev; return mfd_add_devices(&pdev->dev, -1, rdc321x_sb_cells, ARRAY_SIZE(rdc321x_sb_cells), NULL, 0); } static void __devexit rdc321x_sb_remove(struct pci_dev *pdev) { mfd_remove_devices(&pdev->dev); } static DEFINE_PCI_DEVICE_TABLE(rdc321x_sb_table) = { { PCI_DEVICE(PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6030) }, {} }; static struct pci_driver rdc321x_sb_driver = { .name = "RDC321x Southbridge", .id_table = rdc321x_sb_table, .probe = rdc321x_sb_probe, .remove = __devexit_p(rdc321x_sb_remove), }; static int __init rdc321x_sb_init(void) { return pci_register_driver(&rdc321x_sb_driver); } static void __exit rdc321x_sb_exit(void) { pci_unregister_driver(&rdc321x_sb_driver); } module_init(rdc321x_sb_init); module_exit(rdc321x_sb_exit); MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("RDC R-321x MFD southbridge driver");