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, NULL); 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, NULL); 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