4  * SPDX-License-Identifier: Apache-2.0
32 #define EEPROM_MB85RSXX_SLEEP 0xB9U /* Sleep Mode				 */
64 	const struct eeprom_mb85rsxx_config *config = dev->config;  in eeprom_mb85rsxx_read()
65 	struct eeprom_mb85rsxx_data *data = dev->data;  in eeprom_mb85rsxx_read()
70 	if (offset + len > config->size) {  in eeprom_mb85rsxx_read()
72 		return -EINVAL;  in eeprom_mb85rsxx_read()
88 	const struct spi_buf_set tx = {  in eeprom_mb85rsxx_read()  local
107 	k_mutex_lock(&data->lock, K_FOREVER);  in eeprom_mb85rsxx_read()
109 	err = spi_transceive_dt(&config->spi, &tx, &rx);  in eeprom_mb85rsxx_read()
111 	k_mutex_unlock(&data->lock);  in eeprom_mb85rsxx_read()
122 	const struct eeprom_mb85rsxx_config *config = dev->config;  in eeprom_mb85rsxx_wren()
128 	const struct spi_buf_set tx = {  in eeprom_mb85rsxx_wren()  local
133 	return spi_write_dt(&config->spi, &tx);  in eeprom_mb85rsxx_wren()
138 	const struct eeprom_mb85rsxx_config *config = dev->config;  in eeprom_mb85rsxx_wrdi()
144 	const struct spi_buf_set tx = {  in eeprom_mb85rsxx_wrdi()  local
149 	return spi_write_dt(&config->spi, &tx);  in eeprom_mb85rsxx_wrdi()
155 	const struct eeprom_mb85rsxx_config *config = dev->config;  in eeprom_mb85rsxx_write()
156 	struct eeprom_mb85rsxx_data *data = dev->data;  in eeprom_mb85rsxx_write()
161 	if (config->readonly) {  in eeprom_mb85rsxx_write()
162 		LOG_ERR("attempt to write to read-only device");  in eeprom_mb85rsxx_write()
163 		return -EACCES;  in eeprom_mb85rsxx_write()
166 	if (offset + len > config->size) {  in eeprom_mb85rsxx_write()
168 		return -EINVAL;  in eeprom_mb85rsxx_write()
186 	const struct spi_buf_set tx = {  in eeprom_mb85rsxx_write()  local
191 	k_mutex_lock(&data->lock, K_FOREVER);  in eeprom_mb85rsxx_write()
196 		k_mutex_unlock(&data->lock);  in eeprom_mb85rsxx_write()
200 	err = spi_write_dt(&config->spi, &tx);  in eeprom_mb85rsxx_write()
203 		k_mutex_unlock(&data->lock);  in eeprom_mb85rsxx_write()
212 	k_mutex_unlock(&data->lock);  in eeprom_mb85rsxx_write()
219 	const struct eeprom_mb85rsxx_config *config = dev->config;  in eeprom_mb85rsxx_size()
221 	return config->size;  in eeprom_mb85rsxx_size()
226 	const struct eeprom_mb85rsxx_config *config = dev->config;  in eeprom_mb85rsxx_rdid()
227 	struct eeprom_mb85rsxx_data *data = dev->data;  in eeprom_mb85rsxx_rdid()
236 	const struct spi_buf_set tx = {  in eeprom_mb85rsxx_rdid()  local
254 	k_mutex_lock(&data->lock, K_FOREVER);  in eeprom_mb85rsxx_rdid()
255 	err = spi_transceive_dt(&config->spi, &tx, &rx);  in eeprom_mb85rsxx_rdid()
256 	k_mutex_unlock(&data->lock);  in eeprom_mb85rsxx_rdid()
269 		return -EIO;  in eeprom_mb85rsxx_rdid()
278 	const struct eeprom_mb85rsxx_config *config = dev->config;  in eeprom_mb85rsxx_init()
279 	struct eeprom_mb85rsxx_data *data = dev->data;  in eeprom_mb85rsxx_init()
282 	k_mutex_init(&data->lock);  in eeprom_mb85rsxx_init()
284 	if (!spi_is_ready_dt(&config->spi)) {  in eeprom_mb85rsxx_init()
286 		return -EINVAL;  in eeprom_mb85rsxx_init()
304 #define MB85RSXX_INIT(inst)                                                                       \  argument
305 	static struct eeprom_mb85rsxx_data eeprom_mb85rsxx_data_##inst;                          \
307 	static const struct eeprom_mb85rsxx_config eeprom_mb85rsxx_config_##inst = {             \
309 			inst, SPI_OP_MODE_MASTER | SPI_TRANSFER_MSB | SPI_WORD_SET(8), 0),         \
310 		.size = DT_INST_PROP(inst, size),                                                  \
311 		.readonly = DT_INST_PROP(inst, read_only),                                         \
314 	DEVICE_DT_INST_DEFINE(inst, eeprom_mb85rsxx_init, NULL, &eeprom_mb85rsxx_data_##inst,    \
315 			      &eeprom_mb85rsxx_config_##inst, POST_KERNEL,                        \