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     1 /* SPDX-License-Identifier: GPL-2.0 */
    2 /* Copyright (c) 2018, The Linux Foundation. All rights reserved. */
    3 
    4 #ifndef __QCOM_RPMH_REGULATOR_H
    5 #define __QCOM_RPMH_REGULATOR_H
    6 
    7 /*
    8  * These mode constants may be used to specify modes for various RPMh regulator
    9  * device tree properties (e.g. regulator-initial-mode).  Each type of regulator
   10  * supports a subset of the possible modes.
   11  *
   12  * %RPMH_REGULATOR_MODE_RET:    Retention mode in which only an extremely small
   13  *                              load current is allowed.  This mode is supported
   14  *                              by LDO and SMPS type regulators.
   15  * %RPMH_REGULATOR_MODE_LPM:    Low power mode in which a small load current is
   16  *                              allowed.  This mode corresponds to PFM for SMPS
   17  *                              and BOB type regulators.  This mode is supported
   18  *                              by LDO, HFSMPS, BOB, and PMIC4 FTSMPS type
   19  *                              regulators.
   20  * %RPMH_REGULATOR_MODE_AUTO:   Auto mode in which the regulator hardware
   21  *                              automatically switches between LPM and HPM based
   22  *                              upon the real-time load current.  This mode is
   23  *                              supported by HFSMPS, BOB, and PMIC4 FTSMPS type
   24  *                              regulators.
   25  * %RPMH_REGULATOR_MODE_HPM:    High power mode in which the full rated current
   26  *                              of the regulator is allowed.  This mode
   27  *                              corresponds to PWM for SMPS and BOB type
   28  *                              regulators.  This mode is supported by all types
   29  *                              of regulators.
   30  */
   31 #define RPMH_REGULATOR_MODE_RET         0
   32 #define RPMH_REGULATOR_MODE_LPM         1
   33 #define RPMH_REGULATOR_MODE_AUTO        2
   34 #define RPMH_REGULATOR_MODE_HPM         3
   35 
   36 #endif
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