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1// SPDX-License-Identifier: GPL-2.0+2// Platform driver for Loongson SPI Support3// Copyright (C) 2023 Loongson Technology Corporation Limited4 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