Merge tag 'at91-ab-soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni...
[firefly-linux-kernel-4.4.55.git] / drivers / acpi / int340x_thermal.c
1 /*
2  * ACPI support for int340x thermal drivers
3  *
4  * Copyright (C) 2014, Intel Corporation
5  * Authors: Zhang Rui <rui.zhang@intel.com>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11
12 #include <linux/acpi.h>
13 #include <linux/module.h>
14
15 #include "internal.h"
16
17 #define INT3401_DEVICE 0X01
18 static const struct acpi_device_id int340x_thermal_device_ids[] = {
19         {"INT3400"},
20         {"INT3401", INT3401_DEVICE},
21         {"INT3402"},
22         {"INT3403"},
23         {"INT3404"},
24         {"INT3406"},
25         {"INT3407"},
26         {"INT3408"},
27         {"INT3409"},
28         {"INT340A"},
29         {"INT340B"},
30         {""},
31 };
32
33 static int int340x_thermal_handler_attach(struct acpi_device *adev,
34                                         const struct acpi_device_id *id)
35 {
36         if (IS_ENABLED(CONFIG_INT340X_THERMAL))
37                 acpi_create_platform_device(adev);
38         /* Intel SoC DTS thermal driver needs INT3401 to set IRQ descriptor */
39         else if (IS_ENABLED(CONFIG_INTEL_SOC_DTS_THERMAL) &&
40                  id->driver_data == INT3401_DEVICE)
41                 acpi_create_platform_device(adev);
42         return 1;
43 }
44
45 static struct acpi_scan_handler int340x_thermal_handler = {
46         .ids = int340x_thermal_device_ids,
47         .attach = int340x_thermal_handler_attach,
48 };
49
50 void __init acpi_int340x_thermal_init(void)
51 {
52         acpi_scan_add_handler(&int340x_thermal_handler);
53 }