linux/regulator/machine.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
3  * machine.h -- SoC Regulator support, machine/board driver API.
44  * DO_NOTHING_IN_SUSPEND - the default value
45  * DISABLE_IN_SUSPEND	- turn off regulator in suspend states
46  * ENABLE_IN_SUSPEND	- keep regulator on in suspend states
53  * Default time window (in milliseconds) following a critical under-voltage
67  * struct regulator_state - regulator state during low power system states
79  *	     - DO_NOTHING_IN_SUSPEND
80  *	     - DISABLE_IN_SUSPEND
81  *	     - ENABLE_IN_SUSPEND
93 #define REGULATOR_NOTIF_LIMIT_DISABLE -1
94 #define REGULATOR_NOTIF_LIMIT_ENABLE -2
102  * struct regulation_constraints - regulator operating constraints.
134  * @ramp_disable: Disable ramp delay when initialising or when setting voltage.
136  * @pull_down: Enable pull down when regulator is disabled.
154  * @ramp_delay: Time to settle down after voltage change (unit: uV/us)
155  * @settling_time: Time to settle down after voltage change when voltage
156  *		   change is non-linear (unit: microseconds).
157  * @settling_time_up: Time to settle down after voltage increase when voltage
158  *		      change is non-linear (unit: microseconds).
159  * @settling_time_down : Time to settle down after voltage decrease when
160  *			 voltage change is non-linear (unit: microseconds).
164  * @enable_time: Turn-on time of the rails (unit: microseconds)
166  *                              following a critical under-voltage (UV) event
177 	/* voltage output range (inclusive) - for voltage control */
183 	/* current output range (inclusive) - for current control */
202 	/* regulator input voltage - only if supply is another regulator */
231 	unsigned ramp_disable:1; /* disable ramp delay */
232 	unsigned soft_start:1;	/* ramp voltage slowly */
233 	unsigned pull_down:1;	/* pull down resistor when regulator off */
243  * struct regulator_consumer_supply - supply -> device mapping
253 	const char *supply;	/* consumer supply - e.g. "vcc" */
264  * struct regulator_init_data - regulator platform initialisation data.