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git.ipfire.org Git - thirdparty/u-boot.git/blob - drivers/power/sy8106a.c
1 // SPDX-License-Identifier: GPL-2.0+
4 * Jelle van der Waa <jelle@vdwaa.nl>
10 #define SY8106A_I2C_ADDR 0x65
11 #define SY8106A_VOUT1_SEL 1
12 #define SY8106A_VOUT1_SEL_ENABLE (1 << 7)
14 #ifdef CONFIG_SPL_BUILD
15 static u8
sy8106a_mvolt_to_cfg(int mvolt
, int min
, int max
, int div
)
22 return (mvolt
- min
) / div
;
25 int sy8106a_set_vout1(unsigned int mvolt
)
27 u8 data
= sy8106a_mvolt_to_cfg(mvolt
, 680, 1950, 10) | SY8106A_VOUT1_SEL_ENABLE
;
28 return i2c_write(SY8106A_I2C_ADDR
, SY8106A_VOUT1_SEL
, 1, &data
, 1);