2 * Intel Low Power Subsystem PWM controller driver
4 * Copyright (C) 2014, Intel Corporation
6 * Derived from the original pwm-lpss.c
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
13 #include <linux/acpi.h>
14 #include <linux/kernel.h>
15 #include <linux/module.h>
16 #include <linux/platform_device.h>
20 static int pwm_lpss_probe_platform(struct platform_device *pdev)
22 const struct pwm_lpss_boardinfo *info;
23 const struct acpi_device_id *id;
24 struct pwm_lpss_chip *lpwm;
27 id = acpi_match_device(pdev->dev.driver->acpi_match_table, &pdev->dev);
31 info = (const struct pwm_lpss_boardinfo *)id->driver_data;
32 r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
34 lpwm = pwm_lpss_probe(&pdev->dev, r, info);
38 platform_set_drvdata(pdev, lpwm);
42 static int pwm_lpss_remove_platform(struct platform_device *pdev)
44 struct pwm_lpss_chip *lpwm = platform_get_drvdata(pdev);
46 return pwm_lpss_remove(lpwm);
49 static const struct acpi_device_id pwm_lpss_acpi_match[] = {
50 { "80860F09", (unsigned long)&pwm_lpss_byt_info },
51 { "80862288", (unsigned long)&pwm_lpss_bsw_info },
54 MODULE_DEVICE_TABLE(acpi, pwm_lpss_acpi_match);
56 static struct platform_driver pwm_lpss_driver_platform = {
59 .acpi_match_table = pwm_lpss_acpi_match,
61 .probe = pwm_lpss_probe_platform,
62 .remove = pwm_lpss_remove_platform,
64 module_platform_driver(pwm_lpss_driver_platform);
66 MODULE_DESCRIPTION("PWM platform driver for Intel LPSS");
67 MODULE_LICENSE("GPL v2");
68 MODULE_ALIAS("platform:pwm-lpss");