// SPDX-License-Identifier: GPL-2.0-or-later /* * RDC321x MFD southbridge driver * * Copyright (C) 2007-2010 Florian Fainelli <florian@openwrt.org> * Copyright (C) 2010 Bernhard Loos <bernhardloos@googlemail.com> */ #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 const 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_NUM_GPIO, }; static const 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 const struct mfd_cell rdc321x_sb_cells[] = { { .name = "rdc321x-wdt", .resources = rdc321x_wdt_resource, .num_resources = ARRAY_SIZE(rdc321x_wdt_resource), .platform_data = &rdc321x_wdt_pdata, .pdata_size = sizeof(rdc321x_wdt_pdata), }, { .name = "rdc321x-gpio", .resources = rdc321x_gpio_resources, .num_resources = ARRAY_SIZE(rdc321x_gpio_resources), .platform_data = &rdc321x_gpio_pdata, .pdata_size = sizeof(rdc321x_gpio_pdata), }, }; static int 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 devm_mfd_add_devices(&pdev->dev, -1, rdc321x_sb_cells, ARRAY_SIZE(rdc321x_sb_cells), NULL, 0, NULL); } static const struct pci_device_id rdc321x_sb_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6030) }, {} }; MODULE_DEVICE_TABLE(pci, rdc321x_sb_table); static struct pci_driver rdc321x_sb_driver = { .name = "RDC321x Southbridge", .id_table = rdc321x_sb_table, .probe = rdc321x_sb_probe, }; module_pci_driver(rdc321x_sb_driver); MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("RDC R-321x MFD southbridge driver");