include/uapi/linux/tps6594_pfsm.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 /*
   3  * Userspace ABI for TPS6594 PMIC Pre-configurable Finite State Machine
   4  *
   5  * Copyright (C) 2023 BayLibre Incorporated - https://www.baylibre.com/
   6  */
   7
   8 #ifndef __TPS6594_PFSM_H
   9 #define __TPS6594_PFSM_H
  10
  11 #include <linux/const.h>
  12 #include <linux/ioctl.h>
  13 #include <linux/types.h>
  14
  15 /**
  16  * struct pmic_state_opt - PMIC state options
  17  * @gpio_retention: if enabled, power rails associated with GPIO retention remain active
  18  * @ddr_retention: if enabled, power rails associated with DDR retention remain active
  19  * @mcu_only_startup_dest: if enabled, startup destination state is MCU_ONLY
  20  */
  21 struct pmic_state_opt {
  22         __u8 gpio_retention;
  23         __u8 ddr_retention;
  24         __u8 mcu_only_startup_dest;
  25 };
  26
  27 /* Commands */
  28 #define PMIC_BASE                       'P'
  29
  30 #define PMIC_GOTO_STANDBY               _IO(PMIC_BASE, 0)
  31 #define PMIC_GOTO_LP_STANDBY            _IO(PMIC_BASE, 1)
  32 #define PMIC_UPDATE_PGM                 _IO(PMIC_BASE, 2)
  33 #define PMIC_SET_ACTIVE_STATE           _IO(PMIC_BASE, 3)
  34 #define PMIC_SET_MCU_ONLY_STATE         _IOW(PMIC_BASE, 4, struct pmic_state_opt)
  35 #define PMIC_SET_RETENTION_STATE        _IOW(PMIC_BASE, 5, struct pmic_state_opt)
  36
  37 #endif /*  __TPS6594_PFSM_H */