1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/*
* Intel LPSS ACPI support.
*
* Copyright (C) 2015, Intel Corporation
*
* Authors: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
* Mika Westerberg <mika.westerberg@linux.intel.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/acpi.h>
#include <linux/ioport.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pm.h>
#include <linux/pm_runtime.h>
#include <linux/platform_device.h>
#include "intel-lpss.h"
static const struct intel_lpss_platform_info spt_info = {
.clk_rate = 120000000,
};
static const struct acpi_device_id intel_lpss_acpi_ids[] = {
/* SPT */
{ "INT3446", (kernel_ulong_t)&spt_info },
{ "INT3447", (kernel_ulong_t)&spt_info },
{ }
};
MODULE_DEVICE_TABLE(acpi, intel_lpss_acpi_ids);
static int intel_lpss_acpi_probe(struct platform_device *pdev)
{
struct intel_lpss_platform_info *info;
const struct acpi_device_id *id;
id = acpi_match_device(intel_lpss_acpi_ids, &pdev->dev);
if (!id)
return -ENODEV;
info = devm_kmemdup(&pdev->dev, (void *)id->driver_data, sizeof(*info),
GFP_KERNEL);
if (!info)
return -ENOMEM;
info->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
info->irq = platform_get_irq(pdev, 0);
pm_runtime_set_active(&pdev->dev);
pm_runtime_enable(&pdev->dev);
return intel_lpss_probe(&pdev->dev, info);
}
static int intel_lpss_acpi_remove(struct platform_device *pdev)
{
intel_lpss_remove(&pdev->dev);
pm_runtime_disable(&pdev->dev);
return 0;
}
static INTEL_LPSS_PM_OPS(intel_lpss_acpi_pm_ops);
static struct platform_driver intel_lpss_acpi_driver = {
.probe = intel_lpss_acpi_probe,
.remove = intel_lpss_acpi_remove,
.driver = {
.name = "intel-lpss",
.acpi_match_table = intel_lpss_acpi_ids,
.pm = &intel_lpss_acpi_pm_ops,
},
};
module_platform_driver(intel_lpss_acpi_driver);
MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");
MODULE_DESCRIPTION("Intel LPSS ACPI driver");
MODULE_LICENSE("GPL v2");
|
