1/*
2 * Generic DWMAC platform driver
3 *
4 * Copyright (C) 2007-2011 STMicroelectronics Ltd
5 * Copyright (C) 2015 Joachim Eastwood <manabian@gmail.com>
6 *
7 * This file is licensed under the terms of the GNU General Public
8 * License version 2. This program is licensed "as is" without any
9 * warranty of any kind, whether express or implied.
10 */
11
12#include <linux/module.h>
13#include <linux/of.h>
14#include <linux/platform_device.h>
15
16#include "stmmac.h"
17#include "stmmac_platform.h"
18
19static int dwmac_generic_probe(struct platform_device *pdev)
20{
21 struct plat_stmmacenet_data *plat_dat;
22 struct stmmac_resources stmmac_res;
23 int ret;
24
25 ret = stmmac_get_platform_resources(pdev, stmmac_res: &stmmac_res);
26 if (ret)
27 return ret;
28
29 if (pdev->dev.of_node) {
30 plat_dat = devm_stmmac_probe_config_dt(pdev, mac: stmmac_res.mac);
31 if (IS_ERR(ptr: plat_dat)) {
32 dev_err(&pdev->dev, "dt configuration failed\n");
33 return PTR_ERR(ptr: plat_dat);
34 }
35 } else {
36 plat_dat = dev_get_platdata(dev: &pdev->dev);
37 if (!plat_dat) {
38 dev_err(&pdev->dev, "no platform data provided\n");
39 return -EINVAL;
40 }
41
42 /* Set default value for multicast hash bins */
43 plat_dat->multicast_filter_bins = HASH_TABLE_SIZE;
44
45 /* Set default value for unicast filter entries */
46 plat_dat->unicast_filter_entries = 1;
47 }
48
49 return devm_stmmac_pltfr_probe(pdev, plat: plat_dat, res: &stmmac_res);
50}
51
52static const struct of_device_id dwmac_generic_match[] = {
53 { .compatible = "st,spear600-gmac"},
54 { .compatible = "snps,dwmac-3.40a"},
55 { .compatible = "snps,dwmac-3.50a"},
56 { .compatible = "snps,dwmac-3.610"},
57 { .compatible = "snps,dwmac-3.70a"},
58 { .compatible = "snps,dwmac-3.710"},
59 { .compatible = "snps,dwmac-4.00"},
60 { .compatible = "snps,dwmac-4.10a"},
61 { .compatible = "snps,dwmac"},
62 { .compatible = "snps,dwxgmac-2.10"},
63 { .compatible = "snps,dwxgmac"},
64 { }
65};
66MODULE_DEVICE_TABLE(of, dwmac_generic_match);
67
68static struct platform_driver dwmac_generic_driver = {
69 .probe = dwmac_generic_probe,
70 .driver = {
71 .name = STMMAC_RESOURCE_NAME,
72 .pm = &stmmac_pltfr_pm_ops,
73 .of_match_table = dwmac_generic_match,
74 },
75};
76module_platform_driver(dwmac_generic_driver);
77
78MODULE_DESCRIPTION("Generic dwmac driver");
79MODULE_LICENSE("GPL v2");
80

source code of linux/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c