1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * (C) Copyright 2010,2011
4 * NVIDIA Corporation <www.nvidia.com>
11 /* SM0-2 PWM/PFM Mode Selection */
12 TPS6586X_PWM_SM0 = 1 << 0,
13 TPS6586X_PWM_SM1 = 1 << 1,
14 TPS6586X_PWM_SM2 = 1 << 2,
18 * Enable PWM mode for selected SM0-2
20 * @param mask Mask of synchronous converter to enable (TPS6586X_PWM_...)
21 * @return 0 if ok, -1 on error
23 int tps6586x_set_pwm_mode(int mask);
26 * Adjust SM0 and SM1 voltages to the given targets in incremental steps.
28 * @param sm0_target Target voltage for SM0 in 25mW units, 0=725mV, 31=1.5V
29 * @param sm1_target Target voltage for SM1 in 25mW units, 0=725mV, 31=1.5V
30 * @param step Amount to change voltage in each step, in 25mW units
31 * @param rate Slew ratein mV/us: 0=instantly, 1=0.11, 2=0.22,
32 * 3=0.44, 4=0.88, 5=1.76, 6=3.52, 7=7.04
33 * @param min_sm0_over_sm1 Minimum amount by which sm0 must exceed sm1.
34 * If this condition is not met, no adjustment will be
35 * done and an error will be reported. Use -1 to skip
37 * @return 0 if ok, -1 on error
39 int tps6586x_adjust_sm0_sm1(int sm0_target, int sm1_target, int step, int rate,
40 int min_sm0_over_sm1);
43 * Set up the TPS6586X I2C bus number. This will be used for all operations
44 * on the device. This function must be called before using other functions.
46 * @param bus I2C bus containing the TPS6586X chip
47 * @return 0 (always succeeds)
49 int tps6586x_init(struct udevice *bus);
51 #endif /* _TPS6586X_H_ */