1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * ACPI support for int340x thermal drivers
4  *
5  * Copyright (C) 2014, Intel Corporation
6  * Authors: Zhang Rui <rui.zhang@intel.com>
7  */
8 
9 #include <linux/acpi.h>
10 #include <linux/module.h>
11 
12 #include "../internal.h"
13 
14 #define INT3401_DEVICE 0X01
15 static const struct acpi_device_id int340x_thermal_device_ids[] = {
16 	{"INT3400"},
17 	{"INT3401", INT3401_DEVICE},
18 	{"INT3402"},
19 	{"INT3403"},
20 	{"INT3404"},
21 	{"INT3406"},
22 	{"INT3407"},
23 	{"INT3408"},
24 	{"INT3409"},
25 	{"INT340A"},
26 	{"INT340B"},
27 	{"INTC1040"},
28 	{"INTC1043"},
29 	{"INTC1044"},
30 	{"INTC1047"},
31 	{""},
32 };
33 
34 static int int340x_thermal_handler_attach(struct acpi_device *adev,
35 					const struct acpi_device_id *id)
36 {
37 	if (IS_ENABLED(CONFIG_INT340X_THERMAL))
38 		acpi_create_platform_device(adev, NULL);
39 	/* Intel SoC DTS thermal driver needs INT3401 to set IRQ descriptor */
40 	else if (IS_ENABLED(CONFIG_INTEL_SOC_DTS_THERMAL) &&
41 		 id->driver_data == INT3401_DEVICE)
42 		acpi_create_platform_device(adev, NULL);
43 	return 1;
44 }
45 
46 static struct acpi_scan_handler int340x_thermal_handler = {
47 	.ids = int340x_thermal_device_ids,
48 	.attach = int340x_thermal_handler_attach,
49 };
50 
51 void __init acpi_int340x_thermal_init(void)
52 {
53 	acpi_scan_add_handler(&int340x_thermal_handler);
54 }
55