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1 | /* |
2 | * RDC321x MFD southbrige driver | |
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), | |
46673ed2 | 64 | .mfd_data = &rdc321x_wdt_pdata, |
e090d506 FF |
65 | }, { |
66 | .name = "rdc321x-gpio", | |
67 | .resources = rdc321x_gpio_resources, | |
68 | .num_resources = ARRAY_SIZE(rdc321x_gpio_resources), | |
46673ed2 | 69 | .mfd_data = &rdc321x_gpio_pdata, |
e090d506 FF |
70 | }, |
71 | }; | |
72 | ||
73 | static int __devinit rdc321x_sb_probe(struct pci_dev *pdev, | |
74 | const struct pci_device_id *ent) | |
75 | { | |
76 | int err; | |
77 | ||
78 | err = pci_enable_device(pdev); | |
79 | if (err) { | |
80 | dev_err(&pdev->dev, "failed to enable device\n"); | |
81 | return err; | |
82 | } | |
83 | ||
84 | rdc321x_gpio_pdata.sb_pdev = pdev; | |
85 | rdc321x_wdt_pdata.sb_pdev = pdev; | |
86 | ||
87 | return mfd_add_devices(&pdev->dev, -1, | |
88 | rdc321x_sb_cells, ARRAY_SIZE(rdc321x_sb_cells), NULL, 0); | |
89 | } | |
90 | ||
91 | static void __devexit rdc321x_sb_remove(struct pci_dev *pdev) | |
92 | { | |
93 | mfd_remove_devices(&pdev->dev); | |
94 | } | |
95 | ||
96 | static DEFINE_PCI_DEVICE_TABLE(rdc321x_sb_table) = { | |
97 | { PCI_DEVICE(PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6030) }, | |
98 | {} | |
99 | }; | |
100 | ||
101 | static struct pci_driver rdc321x_sb_driver = { | |
102 | .name = "RDC321x Southbridge", | |
103 | .id_table = rdc321x_sb_table, | |
104 | .probe = rdc321x_sb_probe, | |
105 | .remove = __devexit_p(rdc321x_sb_remove), | |
106 | }; | |
107 | ||
108 | static int __init rdc321x_sb_init(void) | |
109 | { | |
110 | return pci_register_driver(&rdc321x_sb_driver); | |
111 | } | |
112 | ||
113 | static void __exit rdc321x_sb_exit(void) | |
114 | { | |
115 | pci_unregister_driver(&rdc321x_sb_driver); | |
116 | } | |
117 | ||
118 | module_init(rdc321x_sb_init); | |
119 | module_exit(rdc321x_sb_exit); | |
120 | ||
121 | MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>"); | |
122 | MODULE_LICENSE("GPL"); | |
123 | MODULE_DESCRIPTION("RDC R-321x MFD southbridge driver"); |