/* SPDX-License-Identifier: GPL-2.0-only */

  /*
   * Intel Low Power Subsystem PWM controller driver
   *
   * Copyright (C) 2014, Intel Corporation
   *
   * Derived from the original pwm-lpss.c

   */
  
  #ifndef __PWM_LPSS_H
  #define __PWM_LPSS_H
  
  #include <linux/device.h>
  #include <linux/pwm.h>

  #define MAX_PWMS			4
  
  struct pwm_lpss_chip {
  	struct pwm_chip chip;
  	void __iomem *regs;
  	const struct pwm_lpss_boardinfo *info;

  };

  
  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);
  
  #endif	/* __PWM_LPSS_H */