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6.8.0-36-generic
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max5970.h
/* SPDX-License-Identifier: GPL-2.0 */ /* * Device driver for regulators in MAX5970 and MAX5978 IC * * Copyright (c) 2022 9elements GmbH * * Author: Patrick Rudolph <patrick.rudolph@9elements.com> */ #ifndef _MFD_MAX5970_H #define _MFD_MAX5970_H #include <linux/regmap.h> #define MAX5970_NUM_SWITCHES 2 #define MAX5978_NUM_SWITCHES 1 #define MAX5970_NUM_LEDS 4 struct max5970_data { int num_switches; u32 irng[MAX5970_NUM_SWITCHES]; u32 mon_rng[MAX5970_NUM_SWITCHES]; u32 shunt_micro_ohms[MAX5970_NUM_SWITCHES]; }; enum max5970_chip_type { TYPE_MAX5978 = 1, TYPE_MAX5970, }; #define MAX5970_REG_CURRENT_L(ch) (0x01 + (ch) * 4) #define MAX5970_REG_CURRENT_H(ch) (0x00 + (ch) * 4) #define MAX5970_REG_VOLTAGE_L(ch) (0x03 + (ch) * 4) #define MAX5970_REG_VOLTAGE_H(ch) (0x02 + (ch) * 4) #define MAX5970_REG_MON_RANGE 0x18 #define MAX5970_MON_MASK 0x3 #define MAX5970_MON(reg, ch) (((reg) >> ((ch) * 2)) & MAX5970_MON_MASK) #define MAX5970_MON_MAX_RANGE_UV 16000000 #define MAX5970_REG_CH_UV_WARN_H(ch) (0x1A + (ch) * 10) #define MAX5970_REG_CH_UV_WARN_L(ch) (0x1B + (ch) * 10) #define MAX5970_REG_CH_UV_CRIT_H(ch) (0x1C + (ch) * 10) #define MAX5970_REG_CH_UV_CRIT_L(ch) (0x1D + (ch) * 10) #define MAX5970_REG_CH_OV_WARN_H(ch) (0x1E + (ch) * 10) #define MAX5970_REG_CH_OV_WARN_L(ch) (0x1F + (ch) * 10) #define MAX5970_REG_CH_OV_CRIT_H(ch) (0x20 + (ch) * 10) #define MAX5970_REG_CH_OV_CRIT_L(ch) (0x21 + (ch) * 10) #define MAX5970_VAL2REG_H(x) (((x) >> 2) & 0xFF) #define MAX5970_VAL2REG_L(x) ((x) & 0x3) #define MAX5970_REG_DAC_FAST(ch) (0x2E + (ch)) #define MAX5970_FAST2SLOW_RATIO 200 #define MAX5970_REG_STATUS0 0x31 #define MAX5970_CB_IFAULTF(ch) (1 << (ch)) #define MAX5970_CB_IFAULTS(ch) (1 << ((ch) + 4)) #define MAX5970_REG_STATUS1 0x32 #define STATUS1_PROT_MASK 0x3 #define STATUS1_PROT(reg) \ (((reg) >> 6) & STATUS1_PROT_MASK) #define STATUS1_PROT_SHUTDOWN 0 #define STATUS1_PROT_CLEAR_PG 1 #define STATUS1_PROT_ALERT_ONLY 2 #define MAX5970_REG_STATUS2 0x33 #define MAX5970_IRNG_MASK 0x3 #define MAX5970_IRNG(reg, ch) \ (((reg) >> ((ch) * 2)) & MAX5970_IRNG_MASK) #define MAX5970_REG_STATUS3 0x34 #define MAX5970_STATUS3_ALERT BIT(4) #define MAX5970_STATUS3_PG(ch) BIT(ch) #define MAX5970_REG_FAULT0 0x35 #define UV_STATUS_WARN(ch) (1 << (ch)) #define UV_STATUS_CRIT(ch) (1 << ((ch) + 4)) #define MAX5970_REG_FAULT1 0x36 #define OV_STATUS_WARN(ch) (1 << (ch)) #define OV_STATUS_CRIT(ch) (1 << ((ch) + 4)) #define MAX5970_REG_FAULT2 0x37 #define OC_STATUS_WARN(ch) (1 << (ch)) #define MAX5970_REG_CHXEN 0x3b #define CHXEN(ch) (3 << ((ch) * 2)) #define MAX5970_REG_LED_FLASH 0x43 #define MAX_REGISTERS 0x49 #define ADC_MASK 0x3FF #endif /* _MFD_MAX5970_H */
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