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 */ 38