1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2018-2020 NXP.
4 *
5 */
6
7 #include <common.h>
8 #include <command.h>
9 #include <i2c.h>
10 #include <asm/global_data.h>
11 #include <asm/io.h>
12
13 #include "emc2305.h"
14
15 DECLARE_GLOBAL_DATA_PTR;
16
set_fan_speed(u8 data,int chip_addr)17 void set_fan_speed(u8 data, int chip_addr)
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 !CONFIG_IS_ENABLED(DM_I2C)
28 if (i2c_write(chip_addr, Fan[index], 1, &data, 1) != 0) {
29 printf("Error: failed to change fan speed @%x\n",
30 Fan[index]);
31 }
32 #else
33 struct udevice *dev;
34
35 if (i2c_get_chip_for_busnum(0, chip_addr, 1, &dev))
36 continue;
37
38 if (dm_i2c_write(dev, Fan[index], &data, 1) != 0) {
39 printf("Error: failed to change fan speed @%x\n",
40 Fan[index]);
41 }
42 #endif
43 }
44 }
45
emc2305_init(int chip_addr)46 void emc2305_init(int chip_addr)
47 {
48 u8 data;
49
50 data = I2C_EMC2305_CMD;
51 #if !CONFIG_IS_ENABLED(DM_I2C)
52 if (i2c_write(chip_addr, I2C_EMC2305_CONF, 1, &data, 1) != 0)
53 printf("Error: failed to configure EMC2305\n");
54 #else
55 struct udevice *dev;
56
57 if (!i2c_get_chip_for_busnum(0, chip_addr, 1, &dev))
58 if (dm_i2c_write(dev, I2C_EMC2305_CONF, &data, 1))
59 printf("Error: failed to configure EMC2305\n");
60 #endif
61
62 }
63