68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/*
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* Copyright 2021 The Chromium OS Authors
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_INA23X_H_
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#define ZEPHYR_INCLUDE_DT_BINDINGS_INA23X_H_
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#include <dt-bindings/dt-util.h>
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/* Mask/Enable bits that asserts the ALERT pin */
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#define INA23X_SHUNT_VOLTAGE_OVER BIT(15)
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#define INA23X_SHUNT_VOLTAGE_UNDER BIT(14)
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#define INA23X_BUS_VOLTAGE_OVER BIT(13)
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#define INA23X_BUS_VOLTAGE_UNDER BIT(12)
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#define INA23X_OVER_LIMIT_POWER BIT(11)
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#define INA23X_CONVERSION_READY BIT(10)
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#define INA23X_ALERT_FUNCTION_FLAG BIT(4)
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#define INA23X_CONVERSION_READY_FLAG BIT(3)
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#define INA23X_MATH_OVERFLOW_FLAG BIT(2)
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#define INA23X_ALERT_POLARITY BIT(1)
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#define INA23X_ALERT_LATCH_ENABLE BIT(0)
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/* Operating Mode */
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#define INA23X_OPER_MODE_POWER_DOWN 0x00
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#define INA23X_OPER_MODE_SHUNT_VOLTAGE_TRIG 0x01
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#define INA23X_OPER_MODE_BUS_VOLTAGE_TRIG 0x02
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#define INA23X_OPER_MODE_SHUNT_BUS_VOLTAGE_TRIG 0x03
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#define INA23X_OPER_MODE_SHUNT_VOLTAGE_CONT 0x05
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#define INA23X_OPER_MODE_BUS_VOLTAGE_CONT 0x06
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#define INA23X_OPER_MODE_SHUNT_BUS_VOLTAGE_CONT 0x07
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/* Conversion time for bus and shunt in micro-seconds */
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#define INA23X_CONV_TIME_140 0x00
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#define INA23X_CONV_TIME_204 0x01
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#define INA23X_CONV_TIME_332 0x02
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#define INA23X_CONV_TIME_588 0x03
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#define INA23X_CONV_TIME_1100 0x04
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#define INA23X_CONV_TIME_2116 0x05
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#define INA23X_CONV_TIME_4156 0x06
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#define INA23X_CONV_TIME_8244 0x07
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/* Averaging Mode */
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#define INA23X_AVG_MODE_1 0x00
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#define INA23X_AVG_MODE_4 0x01
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#define INA23X_AVG_MODE_16 0x02
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#define INA23X_AVG_MODE_64 0x03
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#define INA23X_AVG_MODE_128 0x04
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#define INA23X_AVG_MODE_256 0x05
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#define INA23X_AVG_MODE_512 0x06
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#define INA23X_AVG_MODE_1024 0x07
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/**
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* @brief Macro for creating the INA23X configuration value
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*
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* @param mode Operating mode.
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* @param svct Conversion time for shunt voltage.
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* @param bvct Conversion time for bus voltage.
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* @param avg Averaging mode.
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*/
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#define INA23X_CONFIG(mode, \
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svct, \
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bvct, \
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avg) \
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(((avg) << 9) | ((bvct) << 6) | ((svct) << 3) | (mode))
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#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_INA23X_H_ */
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