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