[linux-2.6-block.git] / include / linux / pmbus.h

/* 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_

/* 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	(1 << 0)

struct pmbus_platform_data {
	u32 flags;		/* Device specific flags */

	/* regulator support */
	int num_regulators;
	struct regulator_init_data *reg_init_data;
};

#endif /* _PMBUS_H_ */
Commit	Line	Data
74ba9207	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
442aba78 GR	2	/*
	3	* Hardware monitoring driver for PMBus devices
	4	*
	5	* Copyright (c) 2010, 2011 Ericsson AB.
442aba78 GR	6	*/
	7
	8	#ifndef _PMBUS_H_
	9	#define _PMBUS_H_
	10
	11	/* flags */
	12
	13	/*
	14	* PMBUS_SKIP_STATUS_CHECK
	15	*
	16	* During register detection, skip checking the status register for
	17	* communication or command errors.
	18	*
	19	* Some PMBus chips respond with valid data when trying to read an unsupported
	20	* register. For such chips, checking the status register is mandatory when
	21	* trying to determine if a chip register exists or not.
	22	* Other PMBus chips don't support the STATUS_CML register, or report
	23	* communication errors for no explicable reason. For such chips, checking
	24	* the status register must be disabled.
	25	*/
	26	#define PMBUS_SKIP_STATUS_CHECK (1 << 0)
	27
	28	struct pmbus_platform_data {
	29	u32 flags; /* Device specific flags */
ddbb4db4 AT	30
	31	/* regulator support */
	32	int num_regulators;
	33	struct regulator_init_data *reg_init_data;
442aba78 GR	34	};
	35
	36	#endif /* _PMBUS_H_ */