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GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

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lai
2026-09-06 03:52:57 +08:00
commit b1928b41c0
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source/bootloader/u-boot-2020.01/drivers/power/sy8106a.c
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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2016
* Jelle van der Waa <jelle@vdwaa.nl>
*/
#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