6b13f685e
 김민수
BSP 최초 추가
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/*
* RDC321x MFD southbridge 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 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
");
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, NULL);
}
static void rdc321x_sb_remove(struct pci_dev *pdev)
{
mfd_remove_devices(&pdev->dev);
}
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,
.remove = rdc321x_sb_remove,
};
module_pci_driver(rdc321x_sb_driver);
MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("RDC R-321x MFD southbridge driver");
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