| 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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| 2 | /* |
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| 3 | * Userspace ABI for TPS6594 PMIC Pre-configurable Finite State Machine |
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| 4 | * |
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| 5 | * Copyright (C) 2023 BayLibre Incorporated - https://www.baylibre.com/ |
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| 6 | */ |
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| 7 | |
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| 8 | #ifndef __TPS6594_PFSM_H |
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| 9 | #define __TPS6594_PFSM_H |
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| 10 | |
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| 11 | #include <linux/const.h> |
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| 12 | #include <linux/ioctl.h> |
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| 13 | #include <linux/types.h> |
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| 14 | |
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| 15 | /** |
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| 16 | * struct pmic_state_opt - PMIC state options |
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| 17 | * @gpio_retention: if enabled, power rails associated with GPIO retention remain active |
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| 18 | * @ddr_retention: if enabled, power rails associated with DDR retention remain active |
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| 19 | * @mcu_only_startup_dest: if enabled, startup destination state is MCU_ONLY |
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| 20 | */ |
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| 21 | struct pmic_state_opt { |
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| 22 | __u8 gpio_retention; |
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| 23 | __u8 ddr_retention; |
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| 24 | __u8 mcu_only_startup_dest; |
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| 25 | }; |
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| 26 | |
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| 27 | /* Commands */ |
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| 28 | #define PMIC_BASE 'P' |
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| 29 | |
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| 30 | #define PMIC_GOTO_STANDBY _IO(PMIC_BASE, 0) |
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| 31 | #define PMIC_GOTO_LP_STANDBY _IO(PMIC_BASE, 1) |
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| 32 | #define PMIC_UPDATE_PGM _IO(PMIC_BASE, 2) |
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| 33 | #define PMIC_SET_ACTIVE_STATE _IO(PMIC_BASE, 3) |
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| 34 | #define PMIC_SET_MCU_ONLY_STATE _IOW(PMIC_BASE, 4, struct pmic_state_opt) |
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| 35 | #define PMIC_SET_RETENTION_STATE _IOW(PMIC_BASE, 5, struct pmic_state_opt) |
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| 36 | |
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| 37 | #endif /* __TPS6594_PFSM_H */ |
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| 38 | |
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