[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / mfd / rdc321x-southbridge.c

/*
 * 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 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 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 DEFINE_PCI_DEVICE_TABLE(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");
Commit	Line	Data
e090d506	1	/*
5a4432b9	2	* RDC321x MFD southbridge driver
e090d506 FF	3	*
	4	* Copyright (C) 2007-2010 Florian Fainelli <florian@openwrt.org>
	5	* Copyright (C) 2010 Bernhard Loos <bernhardloos@googlemail.com>
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	20	*
	21	*/
	22	#include <linux/init.h>
	23	#include <linux/module.h>
	24	#include <linux/kernel.h>
	25	#include <linux/platform_device.h>
	26	#include <linux/pci.h>
	27	#include <linux/mfd/core.h>
	28	#include <linux/mfd/rdc321x.h>
	29
	30	static struct rdc321x_wdt_pdata rdc321x_wdt_pdata;
	31
	32	static struct resource rdc321x_wdt_resource[] = {
	33	{
	34	.name = "wdt-reg",
	35	.start = RDC321X_WDT_CTRL,
	36	.end = RDC321X_WDT_CTRL + 0x3,
8deca39e	37	.flags = IORESOURCE_IO,
e090d506 FF	38	}
	39	};
	40
	41	static struct rdc321x_gpio_pdata rdc321x_gpio_pdata = {
	42	.max_gpios = RDC321X_MAX_GPIO,
	43	};
	44
	45	static struct resource rdc321x_gpio_resources[] = {
	46	{
	47	.name = "gpio-reg1",
	48	.start = RDC321X_GPIO_CTRL_REG1,
	49	.end = RDC321X_GPIO_CTRL_REG1 + 0x7,
8deca39e	50	.flags = IORESOURCE_IO,
e090d506 FF	51	}, {
	52	.name = "gpio-reg2",
	53	.start = RDC321X_GPIO_CTRL_REG2,
	54	.end = RDC321X_GPIO_CTRL_REG2 + 0x7,
8deca39e	55	.flags = IORESOURCE_IO,
e090d506 FF	56	}
	57	};
	58
	59	static struct mfd_cell rdc321x_sb_cells[] = {
	60	{
	61	.name = "rdc321x-wdt",
	62	.resources = rdc321x_wdt_resource,
	63	.num_resources = ARRAY_SIZE(rdc321x_wdt_resource),
9abd768a SO	64	.platform_data = &rdc321x_wdt_pdata,
9abd768a SO	65	.pdata_size = sizeof(rdc321x_wdt_pdata),
e090d506 FF	66	}, {
	67	.name = "rdc321x-gpio",
	68	.resources = rdc321x_gpio_resources,
	69	.num_resources = ARRAY_SIZE(rdc321x_gpio_resources),
9abd768a SO	70	.platform_data = &rdc321x_gpio_pdata,
9abd768a SO	71	.pdata_size = sizeof(rdc321x_gpio_pdata),
e090d506 FF	72	},
	73	};
	74
f791be49	75	static int rdc321x_sb_probe(struct pci_dev *pdev,
e090d506 FF	76	const struct pci_device_id *ent)
	77	{
	78	int err;
	79
	80	err = pci_enable_device(pdev);
	81	if (err) {
	82	dev_err(&pdev->dev, "failed to enable device\n");
	83	return err;
	84	}
	85
	86	rdc321x_gpio_pdata.sb_pdev = pdev;
	87	rdc321x_wdt_pdata.sb_pdev = pdev;
	88
	89	return mfd_add_devices(&pdev->dev, -1,
0848c94f MB	90	rdc321x_sb_cells, ARRAY_SIZE(rdc321x_sb_cells),
0848c94f MB	91	NULL, 0, NULL);
e090d506 FF	92	}
e090d506 FF	93
4740f73f	94	static void rdc321x_sb_remove(struct pci_dev *pdev)
e090d506 FF	95	{
	96	mfd_remove_devices(&pdev->dev);
	97	}
	98
	99	static DEFINE_PCI_DEVICE_TABLE(rdc321x_sb_table) = {
	100	{ PCI_DEVICE(PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6030) },
	101	{}
	102	};
85375486	103	MODULE_DEVICE_TABLE(pci, rdc321x_sb_table);
e090d506 FF	104
	105	static struct pci_driver rdc321x_sb_driver = {
	106	.name = "RDC321x Southbridge",
	107	.id_table = rdc321x_sb_table,
	108	.probe = rdc321x_sb_probe,
84449216	109	.remove = rdc321x_sb_remove,
e090d506 FF	110	};
e090d506 FF	111
38a36f5a	112	module_pci_driver(rdc321x_sb_driver);
e090d506 FF	113
	114	MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
	115	MODULE_LICENSE("GPL");
	116	MODULE_DESCRIPTION("RDC R-321x MFD southbridge driver");