diff options
Diffstat (limited to 'drivers/pwm/pwm-lpss-pci.c')
| -rw-r--r-- | drivers/pwm/pwm-lpss-pci.c | 64 | 
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/pwm/pwm-lpss-pci.c b/drivers/pwm/pwm-lpss-pci.c new file mode 100644 index 000000000000..cf20d2beacdd --- /dev/null +++ b/drivers/pwm/pwm-lpss-pci.c @@ -0,0 +1,64 @@ +/* + * Intel Low Power Subsystem PWM controller PCI driver + * + * Copyright (C) 2014, Intel Corporation + * + * Derived from the original pwm-lpss.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/pci.h> + +#include "pwm-lpss.h" + +static int pwm_lpss_probe_pci(struct pci_dev *pdev, +			      const struct pci_device_id *id) +{ +	const struct pwm_lpss_boardinfo *info; +	struct pwm_lpss_chip *lpwm; +	int err; + +	err = pcim_enable_device(pdev); +	if (err < 0) +		return err; + +	info = (struct pwm_lpss_boardinfo *)id->driver_data; +	lpwm = pwm_lpss_probe(&pdev->dev, &pdev->resource[0], info); +	if (IS_ERR(lpwm)) +		return PTR_ERR(lpwm); + +	pci_set_drvdata(pdev, lpwm); +	return 0; +} + +static void pwm_lpss_remove_pci(struct pci_dev *pdev) +{ +	struct pwm_lpss_chip *lpwm = pci_get_drvdata(pdev); + +	pwm_lpss_remove(lpwm); +} + +static const struct pci_device_id pwm_lpss_pci_ids[] = { +	{ PCI_VDEVICE(INTEL, 0x0f08), (unsigned long)&pwm_lpss_byt_info}, +	{ PCI_VDEVICE(INTEL, 0x0f09), (unsigned long)&pwm_lpss_byt_info}, +	{ PCI_VDEVICE(INTEL, 0x2288), (unsigned long)&pwm_lpss_bsw_info}, +	{ PCI_VDEVICE(INTEL, 0x2289), (unsigned long)&pwm_lpss_bsw_info}, +	{ }, +}; +MODULE_DEVICE_TABLE(pci, pwm_lpss_pci_ids); + +static struct pci_driver pwm_lpss_driver_pci = { +	.name = "pwm-lpss", +	.id_table = pwm_lpss_pci_ids, +	.probe = pwm_lpss_probe_pci, +	.remove = pwm_lpss_remove_pci, +}; +module_pci_driver(pwm_lpss_driver_pci); + +MODULE_DESCRIPTION("PWM PCI driver for Intel LPSS"); +MODULE_LICENSE("GPL v2");  |