/* * Intel Low Power Subsystem PWM controller 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. */ #ifndef __PWM_LPSS_H #define __PWM_LPSS_H #include #include #define MAX_PWMS 4 struct pwm_lpss_chip { struct pwm_chip chip; void __iomem *regs; const struct pwm_lpss_boardinfo *info; u32 saved_ctrl[MAX_PWMS]; }; struct pwm_lpss_boardinfo { unsigned long clk_rate; unsigned int npwm; unsigned long base_unit_bits; bool bypass; /* * On some devices the _PS0/_PS3 AML code of the GPU (GFX0) device * messes with the PWM0 controllers state, */ bool other_devices_aml_touches_pwm_regs; }; struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r, const struct pwm_lpss_boardinfo *info); int pwm_lpss_remove(struct pwm_lpss_chip *lpwm); int pwm_lpss_suspend(struct device *dev); int pwm_lpss_resume(struct device *dev); #endif /* __PWM_LPSS_H */