1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2019 MediaTek Inc.
3 *
4 * Author: Ryder Lee <ryder.lee@mediatek.com>
5 * Felix Fietkau <nbd@nbd.name>
6 */
7
8 #include <linux/kernel.h>
9 #include <linux/module.h>
10 #include <linux/platform_device.h>
11 #include <linux/regmap.h>
12 #include <linux/mfd/syscon.h>
13 #include <linux/of.h>
14 #include "mt7615.h"
15
mt7622_wmac_init(struct mt7615_dev * dev)16 int mt7622_wmac_init(struct mt7615_dev *dev)
17 {
18 struct device_node *np = dev->mt76.dev->of_node;
19
20 if (!is_mt7622(&dev->mt76))
21 return 0;
22
23 dev->infracfg = syscon_regmap_lookup_by_phandle(np, "mediatek,infracfg");
24 if (IS_ERR(dev->infracfg)) {
25 dev_err(dev->mt76.dev, "Cannot find infracfg controller\n");
26 return PTR_ERR(dev->infracfg);
27 }
28
29 return 0;
30 }
31
mt7622_wmac_probe(struct platform_device * pdev)32 static int mt7622_wmac_probe(struct platform_device *pdev)
33 {
34 struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
35 void __iomem *mem_base;
36 int irq;
37
38 irq = platform_get_irq(pdev, 0);
39 if (irq < 0)
40 return irq;
41
42 mem_base = devm_ioremap_resource(&pdev->dev, res);
43 if (IS_ERR(mem_base)) {
44 dev_err(&pdev->dev, "Failed to get memory resource\n");
45 return PTR_ERR(mem_base);
46 }
47
48 return mt7615_mmio_probe(&pdev->dev, mem_base, irq, mt7615e_reg_map);
49 }
50
mt7622_wmac_remove(struct platform_device * pdev)51 static int mt7622_wmac_remove(struct platform_device *pdev)
52 {
53 struct mt7615_dev *dev = platform_get_drvdata(pdev);
54
55 mt7615_unregister_device(dev);
56
57 return 0;
58 }
59
60 static const struct of_device_id mt7622_wmac_of_match[] = {
61 { .compatible = "mediatek,mt7622-wmac" },
62 {},
63 };
64
65 struct platform_driver mt7622_wmac_driver = {
66 .driver = {
67 .name = "mt7622-wmac",
68 .of_match_table = mt7622_wmac_of_match,
69 },
70 .probe = mt7622_wmac_probe,
71 .remove = mt7622_wmac_remove,
72 };
73
74 MODULE_FIRMWARE(MT7622_FIRMWARE_N9);
75 MODULE_FIRMWARE(MT7622_ROM_PATCH);
76