drivers/pwm/pwm-tipwmss.h

   1 /*
   2  * TI PWM Subsystem driver
   3  *
   4  * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU General Public License for more details.
  15  *
  16  */
  17
  18 #ifndef __TIPWMSS_H
  19 #define __TIPWMSS_H
  20
  21 #ifdef CONFIG_PWM_TIPWMSS
  22 /* PWM substem clock gating */
  23 #define PWMSS_ECAPCLK_EN        BIT(0)
  24 #define PWMSS_ECAPCLK_STOP_REQ  BIT(1)
  25 #define PWMSS_EPWMCLK_EN        BIT(8)
  26 #define PWMSS_EPWMCLK_STOP_REQ  BIT(9)
  27
  28 #define PWMSS_ECAPCLK_EN_ACK    BIT(0)
  29 #define PWMSS_EPWMCLK_EN_ACK    BIT(8)
  30
  31 extern u16 pwmss_submodule_state_change(struct device *dev, int set);
  32 #else
  33 static inline u16 pwmss_submodule_state_change(struct device *dev, int set)
  34 {
  35         /* return success status value */
  36         return 0xFFFF;
  37 }
  38 #endif
  39 #endif  /* __TIPWMSS_H */