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drivers: eeprom: at2x: initialize after I2C/SPI

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Introduce dedicated init priority for AT2X EEPROMs connected via
I2C or SPI to ensure they are initialized after I2C/SPI by default.

Signed-off-by: Martin Jäger <martin@libre.solar>
This commit is contained in:
Martin Jäger 2023-04-12 14:19:04 +02:00 committed by Carles Cufí
parent 663b684fea
commit d655d00e8c
2 changed files with 14 additions and 2 deletions
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14
drivers/eeprom/Kconfig
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@ -18,7 +18,9 @@ config EEPROM_INIT_PRIORITY
int "EEPROM init priority"
default KERNEL_INIT_PRIORITY_DEVICE
help
EEPROM driver device initialization priority.
EEPROM driver device initialization priority. This initialization
priority is used unless the driver implementation has its own
initialization priority.
config EEPROM_SHELL
bool "EEPROM shell"
@ -80,6 +82,16 @@ config EEPROM_AT25
help
Enable support for Atmel AT25 (and compatible) SPI EEPROMs.
config EEPROM_AT2X_INIT_PRIORITY
int "AT2X EEPROM init priority"
default 80
depends on EEPROM_AT2X
help
AT2X EEPROM driver device initialization priority.
The EEPROM is connected to I2C or SPI bus an has to be initialized
after I2C/SPI driver.
source "drivers/eeprom/Kconfig.lpc11u6x"
source "drivers/eeprom/Kconfig.stm32"
source "drivers/eeprom/Kconfig.eeprom_emu"

2
drivers/eeprom/eeprom_at2x.c
View file

@ -651,7 +651,7 @@ static const struct eeprom_driver_api eeprom_at2x_api = {
DEVICE_DT_DEFINE(INST_DT_AT2X(n, t), &eeprom_at2x_init, \
NULL, &eeprom_at##t##_data_##n, \
&eeprom_at##t##_config_##n, POST_KERNEL, \
CONFIG_EEPROM_INIT_PRIORITY, \
CONFIG_EEPROM_AT2X_INIT_PRIORITY, \
&eeprom_at2x_api)
#define EEPROM_AT24_DEVICE(n) EEPROM_AT2X_DEVICE(n, 24)