/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* OMAP Voltage Management Routines
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*
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* Copyright (C) 2011, Texas Instruments, Inc.
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*/
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#ifndef __ARCH_ARM_OMAP_VOLTAGE_H
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#define __ARCH_ARM_OMAP_VOLTAGE_H
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/**
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* struct omap_volt_data - Omap voltage specific data.
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* @voltage_nominal: The possible voltage value in uV
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* @sr_efuse_offs: The offset of the efuse register(from system
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* control module base address) from where to read
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* the n-target value for the smartreflex module.
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* @sr_errminlimit: Error min limit value for smartreflex. This value
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* differs at differnet opp and thus is linked
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* with voltage.
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* @vp_errorgain: Error gain value for the voltage processor. This
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* field also differs according to the voltage/opp.
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*/
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struct omap_volt_data {
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u32 volt_nominal;
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u32 sr_efuse_offs;
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u8 sr_errminlimit;
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u8 vp_errgain;
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};
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struct voltagedomain;
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struct voltagedomain *voltdm_lookup(const char *name);
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int voltdm_scale(struct voltagedomain *voltdm, unsigned long target_volt);
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unsigned long voltdm_get_voltage(struct voltagedomain *voltdm);
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struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm,
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unsigned long volt);
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#endif
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