# Kconfig - I2C configuration options # # Copyright (c) 2015 Intel Corporation # # SPDX-License-Identifier: Apache-2.0 # # # I2C options # menuconfig I2C bool prompt "I2C Drivers" default n help Enable I2C Driver Configuration config I2C_DW bool "Design Ware I2C support" depends on I2C default n help Enable Design Ware I2C support on the selected board config I2C_QMSI_SS bool "QMSI I2C driver for the Sensor Subsystem" depends on I2C && QMSI default n help This option enable the Sensor QMSI I2C driver. This driver is simply a shim driver based on the I2C driver provided by the QMSI BSP. config I2C_QMSI bool "QMSI I2C driver" depends on I2C && QMSI default n help This option enable the QMSI I2C driver. This driver is simply a shim driver based on the I2C driver provided by the QMSI BSP. config I2C_ATMEL_SAM3 bool "Atmel SAM3 I2C Driver" depends on I2C && SOC_ATMEL_SAM3 default n help Enable I2C support on the Atmel SAM3 family processor. Says y to enable additional options to enable support for individual controllers. config I2C_MCUX bool "MCUX I2C driver" depends on I2C && HAS_MCUX default n help Enable the mcux I2C driver. config I2C_STM32LX bool "STM32Lx MCU I2C Driver" depends on I2C && SOC_FAMILY_STM32 && SOC_SERIES_STM32L4X default n help Enable I2C support on the STM32Lxx family of processors. config I2C_STM32LX_INTERRUPT bool "STM32Lx MCU I2C Interrupt Support" depends on I2C_STM32LX default n help Enable Interrupt support for the I2C Driver of STM32Lxx family. config I2C_INIT_PRIORITY int depends on I2C default 60 prompt "Init priority" help I2C device driver initialization priority. config I2C_CLOCK_SPEED int "Set the clock speed for I2C" default 32 depends on I2C config SYS_LOG_I2C_LEVEL int prompt "I2C log level" depends on I2C && SYS_LOG default 0 help Sets log level for I2C connections Levels are: - 0 OFF, do not write - 1 ERROR, only write SYS_LOG_ERR - 2 WARNING, write SYS_LOG_WRN in adition to previous level - 3 INFO, write SYS_LOG_INF in adition to previous levels - 4 DEBUG, write SYS_LOG_DBG in adition to previous levels config I2C_SHARED_IRQ bool default n depends on I2C choice prompt "I2C_0 Interrupts via" default I2C_0_IRQ_DIRECT depends on I2C_0 config I2C_0_IRQ_DIRECT bool "Direct Hardware Interrupt" help When interrupts fire, the driver's ISR function is being called directly. config I2C_0_IRQ_SHARED bool "Shared IRQ" depends on SHARED_IRQ select I2C_SHARED_IRQ help When interrupts fire, the shared IRQ driver is notified. Then the shared IRQ driver dispatches the interrupt to other drivers. endchoice config I2C_0_IRQ_SHARED_NAME string "Device name for Shared IRQ" depends on I2C_0 && I2C_0_IRQ_SHARED help Specify the device name for the shared IRQ driver. It is used to register this driver with the shared IRQ driver, so interrupts can be dispatched correctly. config I2C_0 bool "Enable I2C_0" depends on I2C default n config I2C_0_NAME string "Select a name for finding the device" depends on I2C_0 default "I2C_0" config I2C_0_DEFAULT_CFG hex "I2C default configuration" depends on I2C_0 default 0x0 help Allows the I2C port to be brought up with a default configuration. This is useful to set if other drivers depend upon using the I2C bus before the application has a chance to custom configure the port. Setting this value does not prohibit the application from customizing the values later. Refer to the I2C datasheet for proper values. config I2C_0_IRQ_PRI int "Controller interrupt priority" depends on I2C_0 && I2C_0_IRQ_DIRECT help IRQ priority. config I2C_1 bool "Enable I2C Port 1" depends on I2C default n config I2C_1_NAME string "Select a name for finding the device" default "I2C_1" depends on I2C_1 config I2C_1_DEFAULT_CFG hex "I2C default configuration" depends on I2C_1 default 0x0 help Allows the I2C port to be brought up with a default configuration. This is useful to set if other drivers depend upon using the I2C bus before the application has a chance to custom configure the port. Setting this value does not prohibit the application from customizing the values later. Refer to the I2C datasheet for proper values. config I2C_1_IRQ_PRI int "Controller interrupt priority" depends on I2C_1 && I2C_0_IRQ_DIRECT help IRQ priority. config I2C_SS_0 bool "Enable I2C_SS_0" depends on I2C_QMSI_SS default n config I2C_SS_0_NAME string "Select a name for finding the device" depends on I2C_SS_0 default "I2C_SS_0" config I2C_SS_0_DEFAULT_CFG hex "I2C default configuration" depends on I2C_SS_0 default 0x0 help Allows the I2C port to be brought up with a default configuration. This is useful to set if other drivers depend upon using the I2C bus before the application has a chance to custom configure the port. Setting this value does not prohibit the application from customizing the values later. Refer to the I2C datasheet for proper values. config I2C_SS_1 bool "Enable I2C SS Port 1" depends on I2C_QMSI_SS default n config I2C_SS_1_NAME string "Select a name for finding the device" default "I2C_SS_1" depends on I2C_SS_1 config I2C_SS_1_DEFAULT_CFG hex "I2C SS default configuration" depends on I2C_SS_1 default 0x0 help Allows the I2C port to be brought up with a default configuration. This is useful to set if other drivers depend upon using the I2C bus before the application has a chance to custom configure the port. Setting this value does not prohibit the application from customizing the values later. Refer to the I2C datasheet for proper values. config I2C_SS_SDA_HOLD int depends on I2C_QMSI_SS help The hold time on the data signal after a negative edge of i2c clock. The unit is i2c module base clock. config I2C_SS_SDA_SETUP int depends on I2C_QMSI_SS help The delay time of clock rising edge relative to i2c data signal change. The unit is i2c module base clock. config I2C_SDA_SETUP int depends on I2C_QMSI help The delay time of clock rising edge relative to i2c data signal change. The unit is i2c module base clock. config I2C_SDA_TX_HOLD int depends on I2C_QMSI help The hold time on the data signal after a negative edge of i2c clock while i2c acts as transmitter. The unit is i2c module base clock. config I2C_SDA_RX_HOLD int depends on I2C_QMSI help The hold time on the data signal after a negative edge of i2c clock while i2c acts as receiver. The unit is i2c module base clock.