1 /*
2  * Driver for Altera Partial Reconfiguration IP Core
3  *
4  * Copyright (C) 2016-2017 Intel Corporation
5  *
6  * Based on socfpga-a10.c Copyright (C) 2015-2016 Altera Corporation
7  *  by Alan Tull <atull@opensource.altera.com>
8  *
9  * This program is free software; you can redistribute it and/or modify it
10  * under the terms and conditions of the GNU General Public License,
11  * version 2, as published by the Free Software Foundation.
12  *
13  * This program is distributed in the hope it will be useful, but WITHOUT
14  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
16  * more details.
17  *
18  * You should have received a copy of the GNU General Public License along with
19  * this program.  If not, see <http://www.gnu.org/licenses/>.
20  */
21 #include <linux/fpga/altera-pr-ip-core.h>
22 #include <linux/module.h>
23 #include <linux/of_device.h>
24 
25 static int alt_pr_platform_probe(struct platform_device *pdev)
26 {
27 	struct device *dev = &pdev->dev;
28 	void __iomem *reg_base;
29 	struct resource *res;
30 
31 	/* First mmio base is for register access */
32 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
33 
34 	reg_base = devm_ioremap_resource(dev, res);
35 
36 	if (IS_ERR(reg_base))
37 		return PTR_ERR(reg_base);
38 
39 	return alt_pr_register(dev, reg_base);
40 }
41 
42 static int alt_pr_platform_remove(struct platform_device *pdev)
43 {
44 	struct device *dev = &pdev->dev;
45 
46 	return alt_pr_unregister(dev);
47 }
48 
49 static const struct of_device_id alt_pr_of_match[] = {
50 	{ .compatible = "altr,a10-pr-ip", },
51 	{},
52 };
53 
54 MODULE_DEVICE_TABLE(of, alt_pr_of_match);
55 
56 static struct platform_driver alt_pr_platform_driver = {
57 	.probe = alt_pr_platform_probe,
58 	.remove = alt_pr_platform_remove,
59 	.driver = {
60 		.name	= "alt_a10_pr_ip",
61 		.of_match_table = alt_pr_of_match,
62 	},
63 };
64 
65 module_platform_driver(alt_pr_platform_driver);
66 MODULE_AUTHOR("Matthew Gerlach <matthew.gerlach@linux.intel.com>");
67 MODULE_DESCRIPTION("Altera Partial Reconfiguration IP Platform Driver");
68 MODULE_LICENSE("GPL v2");
69