From fc00c656c96528112d05cf0edf8631bd5eaea446 Mon Sep 17 00:00:00 2001 From: Kacper Date: Sun, 7 Dec 2025 20:10:31 +0100 Subject: Add build system scaffolding and libc headers --- include/arch/x86_64/linux/tps6594_pfsm.h | 39 ++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 include/arch/x86_64/linux/tps6594_pfsm.h (limited to 'include/arch/x86_64/linux/tps6594_pfsm.h') diff --git a/include/arch/x86_64/linux/tps6594_pfsm.h b/include/arch/x86_64/linux/tps6594_pfsm.h new file mode 100644 index 00000000..ec3879d3 --- /dev/null +++ b/include/arch/x86_64/linux/tps6594_pfsm.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * Userspace ABI for TPS6594 PMIC Pre-configurable Finite State Machine + * + * Copyright (C) 2023 BayLibre Incorporated - https://www.baylibre.com/ + */ + +#ifndef __TPS6594_PFSM_H +#define __TPS6594_PFSM_H + +#include +#include +#include + +/** + * struct pmic_state_opt - PMIC state options + * @gpio_retention: if enabled, power rails associated with GPIO retention + * remain active + * @ddr_retention: if enabled, power rails associated with DDR retention remain + * active + * @mcu_only_startup_dest: if enabled, startup destination state is MCU_ONLY + */ +struct pmic_state_opt { + __u8 gpio_retention; + __u8 ddr_retention; + __u8 mcu_only_startup_dest; +}; + +/* Commands */ +#define PMIC_BASE 'P' + +#define PMIC_GOTO_STANDBY _IO(PMIC_BASE, 0) +#define PMIC_GOTO_LP_STANDBY _IO(PMIC_BASE, 1) +#define PMIC_UPDATE_PGM _IO(PMIC_BASE, 2) +#define PMIC_SET_ACTIVE_STATE _IO(PMIC_BASE, 3) +#define PMIC_SET_MCU_ONLY_STATE _IOW(PMIC_BASE, 4, struct pmic_state_opt) +#define PMIC_SET_RETENTION_STATE _IOW(PMIC_BASE, 5, struct pmic_state_opt) + +#endif /* __TPS6594_PFSM_H */ -- cgit v1.2.3