1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2018-2020 NXP.
*
*/
#include <common.h>
#include <command.h>
#include <i2c.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include "emc2305.h"
DECLARE_GLOBAL_DATA_PTR;
void set_fan_speed(u8 data, int chip_addr)
{
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 !CONFIG_IS_ENABLED(DM_I2C)
if (i2c_write(chip_addr, Fan[index], 1, &data, 1) != 0) {
printf("Error: failed to change fan speed @%x\n",
Fan[index]);
}
#else
struct udevice *dev;
if (i2c_get_chip_for_busnum(0, chip_addr, 1, &dev))
continue;
if (dm_i2c_write(dev, Fan[index], &data, 1) != 0) {
printf("Error: failed to change fan speed @%x\n",
Fan[index]);
}
#endif
}
}
void emc2305_init(int chip_addr)
{
u8 data;
data = I2C_EMC2305_CMD;
#if !CONFIG_IS_ENABLED(DM_I2C)
if (i2c_write(chip_addr, I2C_EMC2305_CONF, 1, &data, 1) != 0)
printf("Error: failed to configure EMC2305\n");
#else
struct udevice *dev;
if (!i2c_get_chip_for_busnum(0, chip_addr, 1, &dev))
if (dm_i2c_write(dev, I2C_EMC2305_CONF, &data, 1))
printf("Error: failed to configure EMC2305\n");
#endif
}
|
