mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-14 07:13:03 +00:00
ae4e4dde52
Driver for that regulator is used only in SPL and it uses old I2C interface. If we want to use DM I2C in U-Boot proper, compilation of this driver has to be limited only to SPL. Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Reviewed-by: Heiko Schocher <hs@denx.de> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
31 lines
670 B
C
31 lines
670 B
C
/*
|
|
* (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
|