55 lines
1.1 KiB
C
55 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2021 MediaTek Inc.
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* Author: Po-Kai Chi <pk.chi@mediatek.com>
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*/
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#include <linux/module.h>
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#include <linux/of.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/printk.h>
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#include <linux/slab.h>
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#include <linux/sys_soc.h>
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static struct soc_device *soc_dev;
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static struct soc_device_attribute *attrs;
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static int __init mediatek_socinfo_init(void)
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{
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struct device_node *np;
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attrs = kzalloc(sizeof(*attrs), GFP_KERNEL);
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if (!attrs)
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return -ENODEV;
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attrs->family = "Mediatek";
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np = of_find_node_by_path("/");
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of_property_read_string(np, "model", &attrs->soc_id);
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of_node_put(np);
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soc_dev = soc_device_register(attrs);
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if (IS_ERR(soc_dev)) {
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kfree(attrs);
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return PTR_ERR(soc_dev);
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}
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pr_info("%s SoC detected.\n", attrs->soc_id);
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return 0;
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}
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module_init(mediatek_socinfo_init);
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static void __exit mediatek_socinfo_exit(void)
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{
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if (soc_dev)
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soc_device_unregister(soc_dev);
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kfree(attrs);
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}
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module_exit(mediatek_socinfo_exit);
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MODULE_DESCRIPTION("MediaTek SoC Info Sysfs Interface");
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MODULE_LICENSE("GPL v2");
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