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115 lines
3.1 KiB
115 lines
3.1 KiB
/* |
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* RDC321x MFD southbridge driver |
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* |
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* Copyright (C) 2007-2010 Florian Fainelli <florian@openwrt.org> |
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* Copyright (C) 2010 Bernhard Loos <bernhardloos@googlemail.com> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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* |
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*/ |
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#include <linux/module.h> |
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#include <linux/kernel.h> |
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#include <linux/platform_device.h> |
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#include <linux/pci.h> |
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#include <linux/mfd/core.h> |
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#include <linux/mfd/rdc321x.h> |
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static struct rdc321x_wdt_pdata rdc321x_wdt_pdata; |
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static struct resource rdc321x_wdt_resource[] = { |
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{ |
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.name = "wdt-reg", |
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.start = RDC321X_WDT_CTRL, |
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.end = RDC321X_WDT_CTRL + 0x3, |
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.flags = IORESOURCE_IO, |
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} |
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}; |
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static struct rdc321x_gpio_pdata rdc321x_gpio_pdata = { |
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.max_gpios = RDC321X_NUM_GPIO, |
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}; |
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static struct resource rdc321x_gpio_resources[] = { |
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{ |
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.name = "gpio-reg1", |
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.start = RDC321X_GPIO_CTRL_REG1, |
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.end = RDC321X_GPIO_CTRL_REG1 + 0x7, |
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.flags = IORESOURCE_IO, |
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}, { |
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.name = "gpio-reg2", |
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.start = RDC321X_GPIO_CTRL_REG2, |
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.end = RDC321X_GPIO_CTRL_REG2 + 0x7, |
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.flags = IORESOURCE_IO, |
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} |
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}; |
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static const struct mfd_cell rdc321x_sb_cells[] = { |
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{ |
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.name = "rdc321x-wdt", |
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.resources = rdc321x_wdt_resource, |
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.num_resources = ARRAY_SIZE(rdc321x_wdt_resource), |
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.platform_data = &rdc321x_wdt_pdata, |
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.pdata_size = sizeof(rdc321x_wdt_pdata), |
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}, { |
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.name = "rdc321x-gpio", |
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.resources = rdc321x_gpio_resources, |
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.num_resources = ARRAY_SIZE(rdc321x_gpio_resources), |
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.platform_data = &rdc321x_gpio_pdata, |
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.pdata_size = sizeof(rdc321x_gpio_pdata), |
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}, |
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}; |
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static int rdc321x_sb_probe(struct pci_dev *pdev, |
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const struct pci_device_id *ent) |
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{ |
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int err; |
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err = pci_enable_device(pdev); |
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if (err) { |
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dev_err(&pdev->dev, "failed to enable device\n"); |
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return err; |
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} |
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rdc321x_gpio_pdata.sb_pdev = pdev; |
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rdc321x_wdt_pdata.sb_pdev = pdev; |
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return mfd_add_devices(&pdev->dev, -1, |
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rdc321x_sb_cells, ARRAY_SIZE(rdc321x_sb_cells), |
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NULL, 0, NULL); |
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} |
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static void rdc321x_sb_remove(struct pci_dev *pdev) |
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{ |
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mfd_remove_devices(&pdev->dev); |
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} |
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static const struct pci_device_id rdc321x_sb_table[] = { |
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{ PCI_DEVICE(PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6030) }, |
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{} |
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}; |
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MODULE_DEVICE_TABLE(pci, rdc321x_sb_table); |
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static struct pci_driver rdc321x_sb_driver = { |
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.name = "RDC321x Southbridge", |
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.id_table = rdc321x_sb_table, |
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.probe = rdc321x_sb_probe, |
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.remove = rdc321x_sb_remove, |
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}; |
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module_pci_driver(rdc321x_sb_driver); |
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MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>"); |
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MODULE_LICENSE("GPL"); |
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MODULE_DESCRIPTION("RDC R-321x MFD southbridge driver");
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