1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2018 NXP.
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8 #include <common.h>
9 #include <command.h>
10 #include <i2c.h>
11 #include <asm/io.h>
12
13 #include "emc2305.h"
14
15 DECLARE_GLOBAL_DATA_PTR;
16
set_fan_speed(u8 data)17 void set_fan_speed(u8 data)
18 {
19 u8 index;
20 u8 Fan[NUM_OF_FANS] = {I2C_EMC2305_FAN1,
21 I2C_EMC2305_FAN2,
22 I2C_EMC2305_FAN3,
23 I2C_EMC2305_FAN4,
24 I2C_EMC2305_FAN5};
25
26 for (index = 0; index < NUM_OF_FANS; index++) {
27 if (i2c_write(I2C_EMC2305_ADDR, Fan[index], 1, &data, 1) != 0) {
28 printf("Error: failed to change fan speed @%x\n",
29 Fan[index]);
30 }
31 }
32 }
33
emc2305_init(void)34 void emc2305_init(void)
35 {
36 u8 data;
37
38 data = I2C_EMC2305_CMD;
39 if (i2c_write(I2C_EMC2305_ADDR, I2C_EMC2305_CONF, 1, &data, 1) != 0)
40 printf("Error: failed to configure EMC2305\n");
41 }
42