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

   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/mod_devicetable.h>
  13 #include <linux/platform_device.h>
  14
  15 static int alt_pr_platform_probe(struct platform_device *pdev)
  16 {
  17         struct device *dev = &pdev->dev;
  18         void __iomem *reg_base;
  19
  20         /* First mmio base is for register access */
  21         reg_base = devm_platform_ioremap_resource(pdev, 0);
  22         if (IS_ERR(reg_base))
  23                 return PTR_ERR(reg_base);
  24
  25         return alt_pr_register(dev, reg_base);
  26 }
  27
  28 static const struct of_device_id alt_pr_of_match[] = {
  29         { .compatible = "altr,a10-pr-ip", },
  30         {},
  31 };
  32
  33 MODULE_DEVICE_TABLE(of, alt_pr_of_match);
  34
  35 static struct platform_driver alt_pr_platform_driver = {
  36         .probe = alt_pr_platform_probe,
  37         .driver = {
  38                 .name   = "alt_a10_pr_ip",
  39                 .of_match_table = alt_pr_of_match,
  40         },
  41 };
  42
  43 module_platform_driver(alt_pr_platform_driver);
  44 MODULE_AUTHOR("Matthew Gerlach <matthew.gerlach@linux.intel.com>");
  45 MODULE_DESCRIPTION("Altera Partial Reconfiguration IP Platform Driver");
  46 MODULE_LICENSE("GPL v2");