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drivers: eeprom: mb85rsxx: Adding support for new product ID

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This commit adds support for the 0x40 product ID
needed by the MB85RSMTA version of the chip.

Signed-off-by: Siddhant Modi <siddhant.modi@gmail.com>
This commit is contained in:
Siddhant Modi
2025-11-13 08:17:10 -08:00
committed by Anas Nashif
parent 3c5807f6ec
commit 1d2448e979
1 changed files with 8 additions and 7 deletions
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15
drivers/eeprom/eeprom_mb85rsxx.c
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@@ -45,9 +45,10 @@ LOG_MODULE_REGISTER(mb85rsxx, CONFIG_EEPROM_LOG_LEVEL);
* MB85RSXX product ID (2 bytes); first byte provides memory size, so let's use a mask later when
* checking it
*/
#define EEPROM_MB85RSXX_PROD_ID 0x20U
#define EEPROM_MB85RSXX_PROD_ID2 0x03U
#define EEPROM_MB85RSXX_PROD_MASK GENMASK(7, 5)
#define EEPROM_MB85RSXX_PROD_ID1_MB85RS2MT 0x20U
#define EEPROM_MB85RSXX_PROD_ID1_MB85RS2MTA 0x48U
#define EEPROM_MB85RSXX_PROD_ID2 0x03U
#define EEPROM_MB85RSXX_PROD_MASK GENMASK(7, 5)
struct eeprom_mb85rsxx_config {
struct spi_dt_spec spi;
@@ -261,10 +262,10 @@ static int eeprom_mb85rsxx_rdid(const struct device *dev)
}
/* Validate Manufacturer ID and Product ID */
if (id[0] != EEPROM_MB85RSXX_MAN_ID
|| id[1] != EEPROM_MB85RSXX_CON_CODE
|| (id[2] & EEPROM_MB85RSXX_PROD_MASK) != EEPROM_MB85RSXX_PROD_ID
|| id[3] != EEPROM_MB85RSXX_PROD_ID2) {
if (id[0] != EEPROM_MB85RSXX_MAN_ID || id[1] != EEPROM_MB85RSXX_CON_CODE ||
(((id[2] & EEPROM_MB85RSXX_PROD_MASK) != EEPROM_MB85RSXX_PROD_ID1_MB85RS2MT) &&
(id[2] != EEPROM_MB85RSXX_PROD_ID1_MB85RS2MTA)) ||
id[3] != EEPROM_MB85RSXX_PROD_ID2) {
LOG_ERR("invalid device ID: %02X %02X %02X %02X", id[0], id[1], id[2], id[3]);
return -EIO;
}