Alan Tull | 473f01f | 2018-05-16 18:49:58 -0500 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
Matthew Gerlach | 5b73cb5 | 2017-03-23 19:34:30 -0500 | [diff] [blame] | 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> |
Matthew Gerlach | 5b73cb5 | 2017-03-23 19:34:30 -0500 | [diff] [blame] | 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 | |
Moritz Fischer | 71d8e94 | 2019-06-26 17:33:09 -0700 | [diff] [blame] | 35 | alt_pr_unregister(dev); |
| 36 | |
| 37 | return 0; |
Matthew Gerlach | 5b73cb5 | 2017-03-23 19:34:30 -0500 | [diff] [blame] | 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"); |