LXR linux/drivers/fpga/altera-pr-ip-core-plat.c

   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
  25static 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
  42static 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
  49static const struct of_device_id alt_pr_of_match[] = {
  50        { .compatible = "altr,a10-pr-ip", },
  51        {},
  52};
  53
  54MODULE_DEVICE_TABLE(of, alt_pr_of_match);
  55
  56static 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
  65module_platform_driver(alt_pr_platform_driver);
  66MODULE_AUTHOR("Matthew Gerlach <matthew.gerlach@linux.intel.com>");
  67MODULE_DESCRIPTION("Altera Partial Reconfiguration IP Platform Driver");
  68MODULE_LICENSE("GPL v2");
  69