97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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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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#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 const 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 const 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 devm_mfd_add_devices(&pdev->dev, -1,
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rdc321x_sb_cells,
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ARRAY_SIZE(rdc321x_sb_cells),
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NULL, 0, NULL);
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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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};
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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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