u-boot/board/freescale/common/emc2305.c
Meenakshi Aggarwal e088e587ed armv8: emc2305: add support for fan controller
Add support for fan controller emc2305.

Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Signed-off-by: Meenakshi Aggarwal <meenakshi.aggarwal@nxp.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
2019-02-19 10:26:43 +05:30

41 lines
822 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2018 NXP.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <i2c.h>
#include <asm/io.h>
#include "emc2305.h"
DECLARE_GLOBAL_DATA_PTR;
void set_fan_speed(u8 data)
{
u8 index;
u8 Fan[NUM_OF_FANS] = {I2C_EMC2305_FAN1,
I2C_EMC2305_FAN2,
I2C_EMC2305_FAN3,
I2C_EMC2305_FAN4,
I2C_EMC2305_FAN5};
for (index = 0; index < NUM_OF_FANS; index++) {
if (i2c_write(I2C_EMC2305_ADDR, Fan[index], 1, &data, 1) != 0) {
printf("Error: failed to change fan speed @%x\n",
Fan[index]);
}
}
}
void emc2305_init(void)
{
u8 data;
data = I2C_EMC2305_CMD;
if (i2c_write(I2C_EMC2305_ADDR, I2C_EMC2305_CONF, 1, &data, 1) != 0)
printf("Error: failed to configure EMC2305\n");
}