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
alt_pr_platform_probe(struct platform_device * pdev)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
alt_pr_platform_remove(struct platform_device * pdev)31 static int alt_pr_platform_remove(struct platform_device *pdev)
32 {
33 struct device *dev = &pdev->dev;
34
35 alt_pr_unregister(dev);
36
37 return 0;
38 }
39
40 static const struct of_device_id alt_pr_of_match[] = {
41 { .compatible = "altr,a10-pr-ip", },
42 {},
43 };
44
45 MODULE_DEVICE_TABLE(of, alt_pr_of_match);
46
47 static struct platform_driver alt_pr_platform_driver = {
48 .probe = alt_pr_platform_probe,
49 .remove = alt_pr_platform_remove,
50 .driver = {
51 .name = "alt_a10_pr_ip",
52 .of_match_table = alt_pr_of_match,
53 },
54 };
55
56 module_platform_driver(alt_pr_platform_driver);
57 MODULE_AUTHOR("Matthew Gerlach <matthew.gerlach@linux.intel.com>");
58 MODULE_DESCRIPTION("Altera Partial Reconfiguration IP Platform Driver");
59 MODULE_LICENSE("GPL v2");
60
