mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-26 12:15:15 +07:00
85 lines
2.1 KiB
C
85 lines
2.1 KiB
C
|
/*
|
||
|
|
* 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");
|