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// SPDX-License-Identifier: GPL-2.0+
// Platform driver for Loongson SPI Support
// Copyright (C) 2023 Loongson Technology Corporation Limited
#include <linux/err.h>
#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
#include "spi-loongson.h"
static int loongson_spi_platform_probe(struct platform_device *pdev)
{
int ret;
void __iomem *reg_base;
struct device *dev = &pdev->dev;
reg_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(reg_base))
return PTR_ERR(reg_base);
ret = loongson_spi_init_controller(dev, reg_base);
if (ret)
return dev_err_probe(dev, ret, "failed to initialize controller\n");
return 0;
}
static const struct of_device_id loongson_spi_id_table[] = {
{ .compatible = "loongson,ls2k1000-spi" },
{ }
};
MODULE_DEVICE_TABLE(of, loongson_spi_id_table);
static struct platform_driver loongson_spi_plat_driver = {
.probe = loongson_spi_platform_probe,
.driver = {
.name = "loongson-spi",
.bus = &platform_bus_type,
.pm = &loongson_spi_dev_pm_ops,
.of_match_table = loongson_spi_id_table,
},
};
module_platform_driver(loongson_spi_plat_driver);
MODULE_DESCRIPTION("Loongson spi platform driver");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS("SPI_LOONGSON_CORE");
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