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 | |