1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * OMAP Voltage Management Routines 4 * 5 * Copyright (C) 2011, Texas Instruments, Inc. 6 */ 7 8 #ifndef __ARCH_ARM_OMAP_VOLTAGE_H 9 #define __ARCH_ARM_OMAP_VOLTAGE_H 10 11 /** 12 * struct omap_volt_data - Omap voltage specific data. 13 * @voltage_nominal: The possible voltage value in uV 14 * @sr_efuse_offs: The offset of the efuse register(from system 15 * control module base address) from where to read 16 * the n-target value for the smartreflex module. 17 * @sr_errminlimit: Error min limit value for smartreflex. This value 18 * differs at differnet opp and thus is linked 19 * with voltage. 20 * @vp_errorgain: Error gain value for the voltage processor. This 21 * field also differs according to the voltage/opp. 22 */ 23 struct omap_volt_data { 24 u32 volt_nominal; 25 u32 sr_efuse_offs; 26 u8 sr_errminlimit; 27 u8 vp_errgain; 28 }; 29 struct voltagedomain; 30 31 struct voltagedomain *voltdm_lookup(const char *name); 32 int voltdm_scale(struct voltagedomain *voltdm, unsigned long target_volt); 33 unsigned long voltdm_get_voltage(struct voltagedomain *voltdm); 34 struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm, 35 unsigned long volt); 36 #endif 37