projects / mirror_ubuntu-hirsute-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 473f01f7 | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 5b73cb5b MG |
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> | |
| 5b73cb5b MG |
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 | ||
| 71d8e94d MF |
35 | alt_pr_unregister(dev); |
| 36 | ||
| 37 | return 0; | |
| 5b73cb5b MG |
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"); |