tps6586x.h
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/*
* (C) Copyright 2010,2011
* NVIDIA Corporation <www.nvidia.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _TPS6586X_H_
#define _TPS6586X_H_
enum {
/* SM0-2 PWM/PFM Mode Selection */
TPS6586X_PWM_SM0 = 1 << 0,
TPS6586X_PWM_SM1 = 1 << 1,
TPS6586X_PWM_SM2 = 1 << 2,
};
/**
* Enable PWM mode for selected SM0-2
*
* @param mask Mask of synchronous converter to enable (TPS6586X_PWM_...)
* @return 0 if ok, -1 on error
*/
int tps6586x_set_pwm_mode(int mask);
/**
* Adjust SM0 and SM1 voltages to the given targets in incremental steps.
*
* @param sm0_target Target voltage for SM0 in 25mW units, 0=725mV, 31=1.5V
* @param sm1_target Target voltage for SM1 in 25mW units, 0=725mV, 31=1.5V
* @param step Amount to change voltage in each step, in 25mW units
* @param rate Slew ratein mV/us: 0=instantly, 1=0.11, 2=0.22,
* 3=0.44, 4=0.88, 5=1.76, 6=3.52, 7=7.04
* @param min_sm0_over_sm1 Minimum amount by which sm0 must exceed sm1.
* If this condition is not met, no adjustment will be
* done and an error will be reported. Use -1 to skip
* this check.
* @return 0 if ok, -1 on error
*/
int tps6586x_adjust_sm0_sm1(int sm0_target, int sm1_target, int step, int rate,
int min_sm0_over_sm1);
/**
* Set up the TPS6586X I2C bus number. This will be used for all operations
* on the device. This function must be called before using other functions.
*
* @param bus I2C bus containing the TPS6586X chip
* @return 0 (always succeeds)
*/
int tps6586x_init(struct udevice *bus);
#endif /* _TPS6586X_H_ */