Merge tag 'kconfig-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy...
[linux-2.6-microblaze.git] / drivers / fpga / altera-pr-ip-core-plat.c
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Driver for Altera Partial Reconfiguration IP Core
4  *
5  * Copyright (C) 2016-2017 Intel Corporation
6  *
7  * Based on socfpga-a10.c Copyright (C) 2015-2016 Altera Corporation
8  *  by Alan Tull <atull@opensource.altera.com>
9  */
10 #include <linux/fpga/altera-pr-ip-core.h>
11 #include <linux/module.h>
12 #include <linux/of_device.h>
13
14 static int alt_pr_platform_probe(struct platform_device *pdev)
15 {
16         struct device *dev = &pdev->dev;
17         void __iomem *reg_base;
18         struct resource *res;
19
20         /* First mmio base is for register access */
21         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
22
23         reg_base = devm_ioremap_resource(dev, res);
24
25         if (IS_ERR(reg_base))
26                 return PTR_ERR(reg_base);
27
28         return alt_pr_register(dev, reg_base);
29 }
30
31 static int alt_pr_platform_remove(struct platform_device *pdev)
32 {
33         struct device *dev = &pdev->dev;
34
35         return alt_pr_unregister(dev);
36 }
37
38 static const struct of_device_id alt_pr_of_match[] = {
39         { .compatible = "altr,a10-pr-ip", },
40         {},
41 };
42
43 MODULE_DEVICE_TABLE(of, alt_pr_of_match);
44
45 static struct platform_driver alt_pr_platform_driver = {
46         .probe = alt_pr_platform_probe,
47         .remove = alt_pr_platform_remove,
48         .driver = {
49                 .name   = "alt_a10_pr_ip",
50                 .of_match_table = alt_pr_of_match,
51         },
52 };
53
54 module_platform_driver(alt_pr_platform_driver);
55 MODULE_AUTHOR("Matthew Gerlach <matthew.gerlach@linux.intel.com>");
56 MODULE_DESCRIPTION("Altera Partial Reconfiguration IP Platform Driver");
57 MODULE_LICENSE("GPL v2");