1*6c7a8640SYinbo Zhu // SPDX-License-Identifier: GPL-2.0+
2*6c7a8640SYinbo Zhu // Platform driver for Loongson SPI Support
3*6c7a8640SYinbo Zhu // Copyright (C) 2023 Loongson Technology Corporation Limited
4*6c7a8640SYinbo Zhu
5*6c7a8640SYinbo Zhu #include <linux/err.h>
6*6c7a8640SYinbo Zhu #include <linux/mod_devicetable.h>
7*6c7a8640SYinbo Zhu #include <linux/platform_device.h>
8*6c7a8640SYinbo Zhu
9*6c7a8640SYinbo Zhu #include "spi-loongson.h"
10*6c7a8640SYinbo Zhu
loongson_spi_platform_probe(struct platform_device * pdev)11*6c7a8640SYinbo Zhu static int loongson_spi_platform_probe(struct platform_device *pdev)
12*6c7a8640SYinbo Zhu {
13*6c7a8640SYinbo Zhu int ret;
14*6c7a8640SYinbo Zhu void __iomem *reg_base;
15*6c7a8640SYinbo Zhu struct device *dev = &pdev->dev;
16*6c7a8640SYinbo Zhu
17*6c7a8640SYinbo Zhu reg_base = devm_platform_ioremap_resource(pdev, 0);
18*6c7a8640SYinbo Zhu if (IS_ERR(reg_base))
19*6c7a8640SYinbo Zhu return PTR_ERR(reg_base);
20*6c7a8640SYinbo Zhu
21*6c7a8640SYinbo Zhu ret = loongson_spi_init_controller(dev, reg_base);
22*6c7a8640SYinbo Zhu if (ret)
23*6c7a8640SYinbo Zhu return dev_err_probe(dev, ret, "failed to initialize controller\n");
24*6c7a8640SYinbo Zhu
25*6c7a8640SYinbo Zhu return 0;
26*6c7a8640SYinbo Zhu }
27*6c7a8640SYinbo Zhu
28*6c7a8640SYinbo Zhu static const struct of_device_id loongson_spi_id_table[] = {
29*6c7a8640SYinbo Zhu { .compatible = "loongson,ls2k1000-spi" },
30*6c7a8640SYinbo Zhu { }
31*6c7a8640SYinbo Zhu };
32*6c7a8640SYinbo Zhu MODULE_DEVICE_TABLE(of, loongson_spi_id_table);
33*6c7a8640SYinbo Zhu
34*6c7a8640SYinbo Zhu static struct platform_driver loongson_spi_plat_driver = {
35*6c7a8640SYinbo Zhu .probe = loongson_spi_platform_probe,
36*6c7a8640SYinbo Zhu .driver = {
37*6c7a8640SYinbo Zhu .name = "loongson-spi",
38*6c7a8640SYinbo Zhu .bus = &platform_bus_type,
39*6c7a8640SYinbo Zhu .pm = &loongson_spi_dev_pm_ops,
40*6c7a8640SYinbo Zhu .of_match_table = loongson_spi_id_table,
41*6c7a8640SYinbo Zhu },
42*6c7a8640SYinbo Zhu };
43*6c7a8640SYinbo Zhu module_platform_driver(loongson_spi_plat_driver);
44*6c7a8640SYinbo Zhu
45*6c7a8640SYinbo Zhu MODULE_DESCRIPTION("Loongson spi platform driver");
46*6c7a8640SYinbo Zhu MODULE_LICENSE("GPL");
47*6c7a8640SYinbo Zhu MODULE_IMPORT_NS(SPI_LOONGSON_CORE);
48