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