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/*
* include/linux/platform_data/ina230.h
*
* Copyright (c) 2009-2013, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _INA230_H
#define _INA230_H
#include <linux/types.h>
#define MEASURE_BUS_VOLT 1
/*
Config register for ina230 (/ ina226):
Some of these values may be needed to calculate platform_data values
D15|D14 D13 D12|D11 D10 D09|D08 D07 D06|D05 D04 D03|D02 D01 D00
rst|- - - |AVG |Vbus_CT |Vsh_CT |MODE
*/
#define INA230_RESET (1 << 15)
#define INA230_VBUS_CT (0 << 6) /* Vbus 140us conversion time */
#define INA230_VSH_CT (0 << 3) /* Vshunt 140us conversion time */
#if MEASURE_BUS_VOLT
#define INA230_CONT_MODE 7 /* Continuous Bus and shunt measure */
#define INA230_TRIG_MODE 3 /* Triggered Bus and shunt measure */
#else
#define INA230_CONT_MODE 5 /* Continuous Shunt measurement */
#define INA230_TRIG_MODE 1 /* Triggered Shunt measurement */
#endif
#define INA230_POWER_DOWN 0
#define INA3221_RAIL_NAME_SIZE 32
struct ina230_platform_data {
const char rail_name[INA3221_RAIL_NAME_SIZE];
s32 current_threshold;
s32 resistor;
s32 min_cores_online;
u32 calibration_data;
u32 power_lsb;
u16 trig_conf;
u16 cont_conf;
u16 divisor;
u32 shunt_resistor;
u32 precision_multiplier;
int shunt_polarity_inverted; /* 0: not invert, 1: inverted */
int alert_latch_enable;
};
#endif /* _INA230_H */
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