79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
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/*
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* Copyright (C) 2015 Hisilicon Limited, All Rights Reserved.
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* Author: Jun Ma <majun258@huawei.com>
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* Author: Yun Wu <wuyun.wu@huawei.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/module.h>
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#include <linux/of_address.h>
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#include <linux/of_irq.h>
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#include <linux/of_platform.h>
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#include <linux/platform_device.h>
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#include <linux/slab.h>
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/**
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* struct mbigen_device - holds the information of mbigen device.
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*
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* @pdev: pointer to the platform device structure of mbigen chip.
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* @base: mapped address of this mbigen chip.
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*/
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struct mbigen_device {
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struct platform_device *pdev;
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void __iomem *base;
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};
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static int mbigen_device_probe(struct platform_device *pdev)
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{
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struct mbigen_device *mgn_chip;
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struct resource *res;
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mgn_chip = devm_kzalloc(&pdev->dev, sizeof(*mgn_chip), GFP_KERNEL);
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if (!mgn_chip)
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return -ENOMEM;
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mgn_chip->pdev = pdev;
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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mgn_chip->base = devm_ioremap_resource(&pdev->dev, res);
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if (IS_ERR(mgn_chip->base))
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return PTR_ERR(mgn_chip->base);
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platform_set_drvdata(pdev, mgn_chip);
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return 0;
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}
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static const struct of_device_id mbigen_of_match[] = {
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{ .compatible = "hisilicon,mbigen-v2" },
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{ /* END */ }
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};
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MODULE_DEVICE_TABLE(of, mbigen_of_match);
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static struct platform_driver mbigen_platform_driver = {
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.driver = {
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.name = "Hisilicon MBIGEN-V2",
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.owner = THIS_MODULE,
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.of_match_table = mbigen_of_match,
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},
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.probe = mbigen_device_probe,
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};
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module_platform_driver(mbigen_platform_driver);
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MODULE_AUTHOR("Jun Ma <majun258@huawei.com>");
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MODULE_AUTHOR("Yun Wu <wuyun.wu@huawei.com>");
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("Hisilicon MBI Generator driver");
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