diff options
Diffstat (limited to 'drivers/mfd/anatop-mfd.c')
-rw-r--r-- | drivers/mfd/anatop-mfd.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/drivers/mfd/anatop-mfd.c b/drivers/mfd/anatop-mfd.c deleted file mode 100644 index 5576e07576de..000000000000 --- a/drivers/mfd/anatop-mfd.c +++ /dev/null | |||
@@ -1,124 +0,0 @@ | |||
1 | /* | ||
2 | * Anatop MFD driver | ||
3 | * | ||
4 | * Copyright (C) 2012 Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org> | ||
5 | * Copyright (C) 2012 Linaro | ||
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 along | ||
18 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
20 | * This program is free software; you can redistribute it and/or modify | ||
21 | * it under the terms of the GNU General Public License as published by | ||
22 | * the Free Software Foundation; either version 2 of the License, or | ||
23 | * (at your option) any later version. | ||
24 | * | ||
25 | * This program is distributed in the hope that it will be useful, | ||
26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
28 | * GNU General Public License for more details. | ||
29 | * | ||
30 | * You should have received a copy of the GNU General Public License along | ||
31 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
32 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
33 | * | ||
34 | */ | ||
35 | |||
36 | #include <linux/io.h> | ||
37 | #include <linux/module.h> | ||
38 | #include <linux/platform_device.h> | ||
39 | #include <linux/of.h> | ||
40 | #include <linux/of_platform.h> | ||
41 | #include <linux/of_address.h> | ||
42 | #include <linux/mfd/anatop.h> | ||
43 | |||
44 | u32 anatop_read_reg(struct anatop *adata, u32 addr) | ||
45 | { | ||
46 | return readl(adata->ioreg + addr); | ||
47 | } | ||
48 | EXPORT_SYMBOL_GPL(anatop_read_reg); | ||
49 | |||
50 | void anatop_write_reg(struct anatop *adata, u32 addr, u32 data, u32 mask) | ||
51 | { | ||
52 | u32 val; | ||
53 | |||
54 | data &= mask; | ||
55 | |||
56 | spin_lock(&adata->reglock); | ||
57 | val = readl(adata->ioreg + addr); | ||
58 | val &= ~mask; | ||
59 | val |= data; | ||
60 | writel(val, adata->ioreg + addr); | ||
61 | spin_unlock(&adata->reglock); | ||
62 | } | ||
63 | EXPORT_SYMBOL_GPL(anatop_write_reg); | ||
64 | |||
65 | static const struct of_device_id of_anatop_match[] = { | ||
66 | { .compatible = "fsl,imx6q-anatop", }, | ||
67 | { }, | ||
68 | }; | ||
69 | |||
70 | static int __devinit of_anatop_probe(struct platform_device *pdev) | ||
71 | { | ||
72 | struct device *dev = &pdev->dev; | ||
73 | struct device_node *np = dev->of_node; | ||
74 | void *ioreg; | ||
75 | struct anatop *drvdata; | ||
76 | |||
77 | ioreg = of_iomap(np, 0); | ||
78 | if (!ioreg) | ||
79 | return -EADDRNOTAVAIL; | ||
80 | drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL); | ||
81 | if (!drvdata) | ||
82 | return -ENOMEM; | ||
83 | drvdata->ioreg = ioreg; | ||
84 | spin_lock_init(&drvdata->reglock); | ||
85 | platform_set_drvdata(pdev, drvdata); | ||
86 | of_platform_populate(np, NULL, NULL, dev); | ||
87 | |||
88 | return 0; | ||
89 | } | ||
90 | |||
91 | static int __devexit of_anatop_remove(struct platform_device *pdev) | ||
92 | { | ||
93 | struct anatop *drvdata; | ||
94 | drvdata = platform_get_drvdata(pdev); | ||
95 | iounmap(drvdata->ioreg); | ||
96 | |||
97 | return 0; | ||
98 | } | ||
99 | |||
100 | static struct platform_driver anatop_of_driver = { | ||
101 | .driver = { | ||
102 | .name = "anatop-mfd", | ||
103 | .owner = THIS_MODULE, | ||
104 | .of_match_table = of_anatop_match, | ||
105 | }, | ||
106 | .probe = of_anatop_probe, | ||
107 | .remove = of_anatop_remove, | ||
108 | }; | ||
109 | |||
110 | static int __init anatop_init(void) | ||
111 | { | ||
112 | return platform_driver_register(&anatop_of_driver); | ||
113 | } | ||
114 | postcore_initcall(anatop_init); | ||
115 | |||
116 | static void __exit anatop_exit(void) | ||
117 | { | ||
118 | platform_driver_unregister(&anatop_of_driver); | ||
119 | } | ||
120 | module_exit(anatop_exit); | ||
121 | |||
122 | MODULE_AUTHOR("Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>"); | ||
123 | MODULE_DESCRIPTION("ANATOP MFD driver"); | ||
124 | MODULE_LICENSE("GPL v2"); | ||