/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Hardware monitoring driver for PMBus devices * * Copyright (c) 2010, 2011 Ericsson AB. */ #ifndef _PMBUS_H_ #define _PMBUS_H_ #include <linux/bits.h> /* flags */ /* * PMBUS_SKIP_STATUS_CHECK * * During register detection, skip checking the status register for * communication or command errors. * * Some PMBus chips respond with valid data when trying to read an unsupported * register. For such chips, checking the status register is mandatory when * trying to determine if a chip register exists or not. * Other PMBus chips don't support the STATUS_CML register, or report * communication errors for no explicable reason. For such chips, checking * the status register must be disabled. */ #define PMBUS_SKIP_STATUS_CHECK BIT(0) /* * PMBUS_WRITE_PROTECTED * Set if the chip is write protected and write protection is not determined * by the standard WRITE_PROTECT command. */ #define PMBUS_WRITE_PROTECTED BIT(1) struct pmbus_platform_data { u32 flags; /* Device specific flags */ /* regulator support */ int num_regulators; struct regulator_init_data *reg_init_data; }; #endif /* _PMBUS_H_ */