| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * OMAP Voltage Management Routines |
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| 4 | * |
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| 5 | * Copyright (C) 2011, Texas Instruments, Inc. |
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| 6 | */ |
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| 7 | |
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| 8 | #ifndef __ARCH_ARM_OMAP_VOLTAGE_H |
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| 9 | #define __ARCH_ARM_OMAP_VOLTAGE_H |
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| 10 | |
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| 11 | /** |
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| 12 | * struct omap_volt_data - Omap voltage specific data. |
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| 13 | * @voltage_nominal: The possible voltage value in uV |
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| 14 | * @sr_efuse_offs: The offset of the efuse register(from system |
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| 15 | * control module base address) from where to read |
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| 16 | * the n-target value for the smartreflex module. |
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| 17 | * @sr_errminlimit: Error min limit value for smartreflex. This value |
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| 18 | * differs at differnet opp and thus is linked |
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| 19 | * with voltage. |
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| 20 | * @vp_errorgain: Error gain value for the voltage processor. This |
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| 21 | * field also differs according to the voltage/opp. |
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| 22 | */ |
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| 23 | struct omap_volt_data { |
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| 24 | u32 volt_nominal; |
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| 25 | u32 sr_efuse_offs; |
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| 26 | u8 sr_errminlimit; |
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| 27 | u8 vp_errgain; |
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| 28 | }; |
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| 29 | struct voltagedomain; |
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| 30 | |
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| 31 | struct voltagedomain *voltdm_lookup(const char *name); |
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| 32 | unsigned long voltdm_get_voltage(struct voltagedomain *voltdm); |
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| 33 | struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm, |
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| 34 | unsigned long volt); |
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| 35 | #endif |
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| 36 | |
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