1// SPDX-License-Identifier: GPL-2.0+
2// Platform driver for Loongson SPI Support
3// Copyright (C) 2023 Loongson Technology Corporation Limited
4
5#include <linux/err.h>
6#include <linux/mod_devicetable.h>
7#include <linux/platform_device.h>
8
9#include "spi-loongson.h"
10
11static int loongson_spi_platform_probe(struct platform_device *pdev)
12{
13	int ret;
14	void __iomem *reg_base;
15	struct device *dev = &pdev->dev;
16
17	reg_base = devm_platform_ioremap_resource(pdev, 0);
18	if (IS_ERR(reg_base))
19		return PTR_ERR(reg_base);
20
21	ret = loongson_spi_init_controller(dev, reg_base);
22	if (ret)
23		return dev_err_probe(dev, ret, "failed to initialize controller\n");
24
25	return 0;
26}
27
28static const struct of_device_id loongson_spi_id_table[] = {
29	{ .compatible = "loongson,ls2k1000-spi" },
30	{ }
31};
32MODULE_DEVICE_TABLE(of, loongson_spi_id_table);
33
34static struct platform_driver loongson_spi_plat_driver = {
35	.probe = loongson_spi_platform_probe,
36	.driver	= {
37		.name	= "loongson-spi",
38		.bus = &platform_bus_type,
39		.pm = &loongson_spi_dev_pm_ops,
40		.of_match_table = loongson_spi_id_table,
41	},
42};
43module_platform_driver(loongson_spi_plat_driver);
44
45MODULE_DESCRIPTION("Loongson spi platform driver");
46MODULE_LICENSE("GPL");
47MODULE_IMPORT_NS(SPI_LOONGSON_CORE);
48