include/linux/mfd/db5500-prcmu.h

   1 /*
   2  * Copyright (C) ST-Ericsson SA 2010
   3  *
   4  * License Terms: GNU General Public License v2
   5  *
   6  * U5500 PRCMU API.
   7  */
   8 #ifndef __MACH_PRCMU_U5500_H
   9 #define __MACH_PRCMU_U5500_H
  10
  11 #ifdef CONFIG_UX500_SOC_DB5500
  12
  13 void db5500_prcmu_early_init(void);
  14
  15 int db5500_prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size);
  16 int db5500_prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size);
  17
  18 #else /* !CONFIG_UX500_SOC_DB5500 */
  19
  20 static inline void db5500_prcmu_early_init(void)
  21 {
  22 }
  23
  24 static inline int db5500_prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size)
  25 {
  26         return -ENOSYS;
  27 }
  28
  29 static inline int db5500_prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size)
  30 {
  31         return -ENOSYS;
  32 }
  33
  34 #endif /* CONFIG_UX500_SOC_DB5500 */
  35
  36 static inline int db5500_prcmu_config_abb_event_readout(u32 abb_events)
  37 {
  38 #ifdef CONFIG_MACH_U5500_SIMULATOR
  39         return 0;
  40 #else
  41         return -1;
  42 #endif
  43 }
  44
  45 #endif /* __MACH_PRCMU_U5500_H */