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| /*
| * (C) Copyright 2016
| * Jelle van der Waa <jelle@vdwaa.nl>
| *
| * SPDX-License-Identifier: GPL-2.0+
| */
| #include <common.h>
| #include <i2c.h>
| #include <sy8106a.h>
|
| #define SY8106A_I2C_ADDR 0x65
| #define SY8106A_VOUT1_SEL 1
| #define SY8106A_VOUT1_SEL_ENABLE (1 << 7)
|
| #ifdef CONFIG_SPL_BUILD
| static u8 sy8106a_mvolt_to_cfg(int mvolt, int min, int max, int div)
| {
| if (mvolt < min)
| mvolt = min;
| else if (mvolt > max)
| mvolt = max;
|
| return (mvolt - min) / div;
| }
|
| int sy8106a_set_vout1(unsigned int mvolt)
| {
| u8 data = sy8106a_mvolt_to_cfg(mvolt, 680, 1950, 10) | SY8106A_VOUT1_SEL_ENABLE;
| return i2c_write(SY8106A_I2C_ADDR, SY8106A_VOUT1_SEL, 1, &data, 1);
| }
| #endif
|
|
