| # Kconfig - nrfx I2C support |
| # |
| # Copyright (c) 2018, Nordic Semiconductor ASA |
| # |
| # SPDX-License-Identifier: Apache-2.0 |
| # |
| |
| menuconfig I2C_NRFX |
| bool "nRF TWI nrfx drivers" |
| default y |
| depends on SOC_FAMILY_NRF |
| select HAS_DTS_I2C |
| help |
| Enable support for nrfx TWI drivers for nRF MCU series. |
| Peripherals with the same instance ID cannot be used together, |
| e.g. I2C_0 and SPI_0. You may need to disable SPI_0 or SPI_1. |
| |
| if I2C_NRFX |
| |
| # In most Nordic SoCs the SPI and TWI peripherals with the same instance |
| # number share certain resources and cannot be used at the same time. |
| # In nRF52810 there are only single instances of these peripherals and |
| # they are arranged in a different way so this limitation does not apply. |
| if I2C_0 && (!SPI_0 || SOC_NRF52810) |
| |
| choice I2C_0_NRF_TYPE |
| prompt "I2C Port 0 Driver type" |
| |
| config I2C_0_NRF_TWI |
| bool "nRF TWI 0" |
| depends on HAS_HW_NRF_TWI0 |
| select NRFX_TWI |
| help |
| Enable nRF TWI Master without EasyDMA on port 0. |
| |
| config I2C_0_NRF_TWIM |
| bool "nRF TWIM 0" |
| depends on HAS_HW_NRF_TWIM0 |
| select NRFX_TWIM |
| help |
| Enable nRF TWI Master with EasyDMA on port 0. |
| This peripheral accepts transfers from RAM only, |
| if provided buffer is placed in flash, transfer will fail. |
| |
| endchoice |
| |
| endif # I2C_0 && (!SPI_0 || SOC_NRF52810) |
| |
| # Nordic TWIx1 and SPIx1 instances can not be used at the same time. |
| if I2C_1 && !SPI_1 |
| |
| choice I2C_1_NRF_TYPE |
| prompt "I2C Port 1 Driver type" |
| |
| config I2C_1_NRF_TWI |
| bool "nRF TWI 1" |
| depends on HAS_HW_NRF_TWI1 |
| select NRFX_TWI |
| help |
| Enable nRF TWI Master without EasyDMA on port 1. |
| |
| config I2C_1_NRF_TWIM |
| bool "nRF TWIM 1" |
| depends on HAS_HW_NRF_TWIM1 |
| select NRFX_TWIM |
| help |
| Enable nRF TWI Master with EasyDMA on port 1. |
| This peripheral accepts transfers from RAM only, |
| if provided buffer is placed in flash, transfer will fail. |
| |
| endchoice |
| |
| endif # I2C_1 && !SPI_1 |
| |
| # Nordic TWIx2 and SPIx2 instances can not be used at the same time. |
| if I2C_2 && !SPI_2 |
| |
| choice I2C_2_NRF_TYPE |
| prompt "I2C Port 2 Driver type" |
| |
| config I2C_2_NRF_TWIM |
| bool "nRF TWIM 2" |
| depends on HAS_HW_NRF_TWIM2 |
| select NRFX_TWIM |
| help |
| Enable nRF TWI Master with EasyDMA on port 2. |
| This peripheral accepts transfers from RAM only, |
| if provided buffer is placed in flash, transfer will fail. |
| |
| endchoice |
| |
| endif # I2C_2 && !SPI_2 |
| |
| # Nordic TWIx3 and SPIx3 instances can not be used at the same time. |
| if I2C_3 && !SPI_3 |
| |
| choice I2C_3_NRF_TYPE |
| prompt "I2C Port 3 Driver type" |
| |
| config I2C_3_NRF_TWIM |
| bool "nRF TWIM 3" |
| depends on HAS_HW_NRF_TWIM3 |
| select NRFX_TWIM |
| help |
| Enable nRF TWI Master with EasyDMA on port 3. |
| This peripheral accepts transfers from RAM only, |
| if provided buffer is placed in flash, transfer will fail. |
| |
| endchoice |
| |
| endif # I2C_3 && !SPI_3 |
| |
| endif #I2C_NRFX |
