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 }
54