1 /*
2 * Copyright (c) 2020 Innoseis B.V
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <errno.h>
8
9 #include <zephyr/devicetree.h>
10 #include <zephyr/drivers/eeprom.h>
11 #include <zephyr/drivers/sensor/tmp11x.h>
12
13 #define DT_DRV_COMPAT ti_tmp11x_eeprom
14
15 struct eeprom_tmp11x_config {
16 const struct device *parent;
17 };
18
eeprom_tmp11x_size(const struct device * dev)19 static size_t eeprom_tmp11x_size(const struct device *dev)
20 {
21 return EEPROM_TMP11X_SIZE;
22 }
23
eeprom_tmp11x_write(const struct device * dev,off_t offset,const void * data,size_t len)24 static int eeprom_tmp11x_write(const struct device *dev, off_t offset,
25 const void *data, size_t len)
26 {
27 const struct eeprom_tmp11x_config *config = dev->config;
28
29 return tmp11x_eeprom_write(config->parent, offset, data, len);
30 }
31
eeprom_tmp11x_read(const struct device * dev,off_t offset,void * data,size_t len)32 static int eeprom_tmp11x_read(const struct device *dev, off_t offset, void *data,
33 size_t len)
34 {
35 const struct eeprom_tmp11x_config *config = dev->config;
36
37 return tmp11x_eeprom_read(config->parent, offset, data, len);
38 }
39
eeprom_tmp11x_init(const struct device * dev)40 static int eeprom_tmp11x_init(const struct device *dev)
41 {
42 const struct eeprom_tmp11x_config *config = dev->config;
43
44 if (!device_is_ready(config->parent)) {
45 return -ENODEV;
46 }
47
48 return 0;
49 }
50
51 static DEVICE_API(eeprom, eeprom_tmp11x_api) = {
52 .read = eeprom_tmp11x_read,
53 .write = eeprom_tmp11x_write,
54 .size = eeprom_tmp11x_size,
55 };
56
57 #define DEFINE_TMP11X(_num) \
58 static const struct eeprom_tmp11x_config eeprom_tmp11x_config##_num = { \
59 .parent = DEVICE_DT_GET(DT_INST_BUS(_num)) \
60 }; \
61 DEVICE_DT_INST_DEFINE(_num, eeprom_tmp11x_init, NULL, \
62 NULL, &eeprom_tmp11x_config##_num, POST_KERNEL, \
63 CONFIG_EEPROM_INIT_PRIORITY, &eeprom_tmp11x_api);
64
65 DT_INST_FOREACH_STATUS_OKAY(DEFINE_TMP11X);
66