85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
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/*
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* Copyright (c) 2013, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __REGULATOR_CPR_REGULATOR_H__
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#define __REGULATOR_CPR_REGULATOR_H__
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#include <linux/regulator/machine.h>
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#define CPR_REGULATOR_DRIVER_NAME "qcom,cpr-regulator"
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#define CPR_PVS_EFUSE_BITS_MAX 5
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#define CPR_PVS_EFUSE_BINS_MAX (1 << CPR_PVS_EFUSE_BITS_MAX)
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/**
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* enum cpr_corner_enum - CPR corner enum values
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* %CPR_CORNER_SVS: Lowest voltage for APC
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* %CPR_CORNER_NORMAL: Normal mode voltage
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* %CPR_CORNER_TURBO: Turbo mode voltage
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* %CPR_CORNER_SUPER_TURBO: Super Turbo mode voltage
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*
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* These should be used in regulator_set_voltage() for CPR
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* regulator as if they had units of uV.
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*/
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enum cpr_corner_enum {
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CPR_CORNER_SVS = 1,
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CPR_CORNER_NORMAL,
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CPR_CORNER_TURBO,
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CPR_CORNER_MAX,
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};
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/**
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* enum pvs_process_enum - PVS process enum values
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* %APC_PVS_NO: No PVS
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* %APC_PVS_SLOW: Slow PVS process
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* %APC_PVS_NOM: Nominal PVS process
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* %APC_PVS_FAST: Fast PVS process
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*/
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enum apc_pvs_process_enum {
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APC_PVS_NO,
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APC_PVS_SLOW,
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APC_PVS_NOM,
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APC_PVS_FAST,
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NUM_APC_PVS,
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};
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/**
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* enum vdd_mx_vmin_method - Method to determine vmin for vdd-mx
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* %VDD_MX_VMIN_APC: Equal to APC voltage
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* %VDD_MX_VMIN_APC_CORNER_CEILING: Equal to PVS corner ceiling voltage
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* %VDD_MX_VMIN_APC_SLOW_CORNER_CEILING:
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* Equal to slow speed corner ceiling
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* %VDD_MX_VMIN_MX_VMAX: Equal to specified vdd-mx-vmax voltage
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*/
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enum vdd_mx_vmin_method {
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VDD_MX_VMIN_APC,
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VDD_MX_VMIN_APC_CORNER_CEILING,
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VDD_MX_VMIN_APC_SLOW_CORNER_CEILING,
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VDD_MX_VMIN_MX_VMAX,
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};
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#ifdef CONFIG_MSM_CPR_REGULATOR
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int __init cpr_regulator_init(void);
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#else
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static inline int __init cpr_regulator_init(void)
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{
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return -ENODEV;
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}
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#endif /* CONFIG_MSM_CPR_REGULATOR */
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#endif /* __REGULATOR_CPR_REGULATOR_H__ */
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