2 * Intel LPSS ACPI support.
4 * Copyright (C) 2015, Intel Corporation
6 * Authors: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
7 * Mika Westerberg <mika.westerberg@linux.intel.com>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 #include <linux/acpi.h>
15 #include <linux/ioport.h>
16 #include <linux/kernel.h>
17 #include <linux/module.h>
19 #include <linux/pm_runtime.h>
20 #include <linux/platform_device.h>
22 #include "intel-lpss.h"
24 static const struct intel_lpss_platform_info spt_info
= {
25 .clk_rate
= 120000000,
28 static const struct acpi_device_id intel_lpss_acpi_ids
[] = {
30 { "INT3446", (kernel_ulong_t
)&spt_info
},
31 { "INT3447", (kernel_ulong_t
)&spt_info
},
34 MODULE_DEVICE_TABLE(acpi
, intel_lpss_acpi_ids
);
36 static int intel_lpss_acpi_probe(struct platform_device
*pdev
)
38 struct intel_lpss_platform_info
*info
;
39 const struct acpi_device_id
*id
;
41 id
= acpi_match_device(intel_lpss_acpi_ids
, &pdev
->dev
);
45 info
= devm_kmemdup(&pdev
->dev
, (void *)id
->driver_data
, sizeof(*info
),
50 info
->mem
= platform_get_resource(pdev
, IORESOURCE_MEM
, 0);
51 info
->irq
= platform_get_irq(pdev
, 0);
53 pm_runtime_set_active(&pdev
->dev
);
54 pm_runtime_enable(&pdev
->dev
);
56 return intel_lpss_probe(&pdev
->dev
, info
);
59 static int intel_lpss_acpi_remove(struct platform_device
*pdev
)
61 intel_lpss_remove(&pdev
->dev
);
62 pm_runtime_disable(&pdev
->dev
);
67 static INTEL_LPSS_PM_OPS(intel_lpss_acpi_pm_ops
);
69 static struct platform_driver intel_lpss_acpi_driver
= {
70 .probe
= intel_lpss_acpi_probe
,
71 .remove
= intel_lpss_acpi_remove
,
74 .acpi_match_table
= intel_lpss_acpi_ids
,
75 .pm
= &intel_lpss_acpi_pm_ops
,
79 module_platform_driver(intel_lpss_acpi_driver
);
81 MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
82 MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");
83 MODULE_DESCRIPTION("Intel LPSS ACPI driver");
84 MODULE_LICENSE("GPL v2");