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
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