[linux-2.6-block.git] / drivers / mfd / rdc321x-southbridge.c

// 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 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 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");
Commit	Line	Data
74ba9207	1	// SPDX-License-Identifier: GPL-2.0-or-later
e090d506	2	/*
5a4432b9	3	* RDC321x MFD southbridge driver
e090d506 FF	4	*
	5	* Copyright (C) 2007-2010 Florian Fainelli <florian@openwrt.org>
	6	* Copyright (C) 2010 Bernhard Loos <bernhardloos@googlemail.com>
e090d506	7	*/
e090d506 FF	8	#include <linux/module.h>
	9	#include <linux/kernel.h>
	10	#include <linux/platform_device.h>
	11	#include <linux/pci.h>
	12	#include <linux/mfd/core.h>
	13	#include <linux/mfd/rdc321x.h>
	14
	15	static struct rdc321x_wdt_pdata rdc321x_wdt_pdata;
	16
	17	static struct resource rdc321x_wdt_resource[] = {
	18	{
	19	.name = "wdt-reg",
	20	.start = RDC321X_WDT_CTRL,
	21	.end = RDC321X_WDT_CTRL + 0x3,
8deca39e	22	.flags = IORESOURCE_IO,
e090d506 FF	23	}
	24	};
	25
	26	static struct rdc321x_gpio_pdata rdc321x_gpio_pdata = {
1ec93b9b	27	.max_gpios = RDC321X_NUM_GPIO,
e090d506 FF	28	};
	29
	30	static struct resource rdc321x_gpio_resources[] = {
	31	{
	32	.name = "gpio-reg1",
	33	.start = RDC321X_GPIO_CTRL_REG1,
	34	.end = RDC321X_GPIO_CTRL_REG1 + 0x7,
8deca39e	35	.flags = IORESOURCE_IO,
e090d506 FF	36	}, {
	37	.name = "gpio-reg2",
	38	.start = RDC321X_GPIO_CTRL_REG2,
	39	.end = RDC321X_GPIO_CTRL_REG2 + 0x7,
8deca39e	40	.flags = IORESOURCE_IO,
e090d506 FF	41	}
	42	};
	43
5ac98553	44	static const struct mfd_cell rdc321x_sb_cells[] = {
e090d506 FF	45	{
	46	.name = "rdc321x-wdt",
	47	.resources = rdc321x_wdt_resource,
	48	.num_resources = ARRAY_SIZE(rdc321x_wdt_resource),
9abd768a SO	49	.platform_data = &rdc321x_wdt_pdata,
9abd768a SO	50	.pdata_size = sizeof(rdc321x_wdt_pdata),
e090d506 FF	51	}, {
	52	.name = "rdc321x-gpio",
	53	.resources = rdc321x_gpio_resources,
	54	.num_resources = ARRAY_SIZE(rdc321x_gpio_resources),
9abd768a SO	55	.platform_data = &rdc321x_gpio_pdata,
9abd768a SO	56	.pdata_size = sizeof(rdc321x_gpio_pdata),
e090d506 FF	57	},
	58	};
	59
f791be49	60	static int rdc321x_sb_probe(struct pci_dev *pdev,
e090d506 FF	61	const struct pci_device_id *ent)
	62	{
	63	int err;
	64
	65	err = pci_enable_device(pdev);
	66	if (err) {
	67	dev_err(&pdev->dev, "failed to enable device\n");
	68	return err;
	69	}
	70
	71	rdc321x_gpio_pdata.sb_pdev = pdev;
	72	rdc321x_wdt_pdata.sb_pdev = pdev;
	73
7360544c LD	74	return devm_mfd_add_devices(&pdev->dev, -1,
	75	rdc321x_sb_cells,
	76	ARRAY_SIZE(rdc321x_sb_cells),
	77	NULL, 0, NULL);
e090d506 FF	78	}
e090d506 FF	79
36fcd06c	80	static const struct pci_device_id rdc321x_sb_table[] = {
e090d506 FF	81	{ PCI_DEVICE(PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6030) },
	82	{}
	83	};
85375486	84	MODULE_DEVICE_TABLE(pci, rdc321x_sb_table);
e090d506 FF	85
	86	static struct pci_driver rdc321x_sb_driver = {
	87	.name = "RDC321x Southbridge",
	88	.id_table = rdc321x_sb_table,
	89	.probe = rdc321x_sb_probe,
e090d506 FF	90	};
e090d506 FF	91
38a36f5a	92	module_pci_driver(rdc321x_sb_driver);
e090d506 FF	93
	94	MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
	95	MODULE_LICENSE("GPL");
	96	MODULE_DESCRIPTION("RDC R-321x MFD southbridge driver");