| # Copyright (c) 2017 - 2018, Nordic Semiconductor ASA |
| # |
| # SPDX-License-Identifier: Apache-2.0 |
| # |
| |
| menuconfig SPI_NRFX |
| bool "nRF SPI nrfx drivers" |
| default y |
| depends on SOC_FAMILY_NRF |
| help |
| Enable support for nrfx SPI drivers for nRF MCU series. |
| Peripherals with the same instance ID cannot be used together, |
| e.g. SPI_0 and I2C_0. You may need to disable I2C_0 or I2C_1. |
| |
| if SPI_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 SPI_0 && (!I2C_0 || SOC_NRF52810) |
| |
| choice |
| prompt "SPI Port 0 Driver type" |
| |
| config SPI_0_NRF_SPI |
| bool "nRF SPI 0" |
| depends on HAS_HW_NRF_SPI0 |
| select NRFX_SPI |
| help |
| Enable nRF SPI Master without EasyDMA on port 0. |
| |
| config SPI_0_NRF_SPIM |
| bool "nRF SPIM 0" |
| # This driver is not available for nRF52832 because of the anomaly 58 |
| # (SPIM: An additional byte is clocked out when RXD.MAXCNT = 1). |
| depends on HAS_HW_NRF_SPIM0 && !SOC_NRF52832 |
| select NRFX_SPIM |
| help |
| Enable nRF SPI Master with EasyDMA on port 0. |
| |
| config SPI_0_NRF_SPIS |
| bool "nRF SPIS 0" |
| depends on HAS_HW_NRF_SPIS0 |
| depends on SPI_SLAVE |
| select NRFX_SPIS |
| help |
| Enable nRF SPI Slave with EasyDMA on port 0. |
| Due to hardware limitations the implementation supports only simple |
| buffers (consisting of one part) located in RAM. |
| |
| endchoice |
| |
| if SPI_0_NRF_SPI || SPI_0_NRF_SPIM || SPI_0_NRF_SPIS |
| |
| config SPI_0_NRF_ORC |
| hex "Over-read Character" |
| range 0x00 0xff |
| default 0xff |
| help |
| Over-read character. Character clocked out after an over-read |
| of the transmit buffer. |
| |
| endif # SPI_0_NRF_SPI || SPI_0_NRF_SPIM || SPI_0_NRF_SPIS |
| |
| endif # SPI_0 && (!I2C_0 || SOC_NRF52810) |
| |
| # Nordic TWIx1 and SPIx1 instances can not be used at the same time. |
| if SPI_1 && !I2C_1 |
| |
| choice |
| prompt "SPI Port 1 Driver type" |
| |
| config SPI_1_NRF_SPI |
| bool "nRF SPI 1" |
| depends on HAS_HW_NRF_SPI1 |
| select NRFX_SPI |
| help |
| Enable nRF SPI Master without EasyDMA on port 1. |
| |
| config SPI_1_NRF_SPIM |
| bool "nRF SPIM 1" |
| # This driver is not available for nRF52832 because of the anomaly 58 |
| # (SPIM: An additional byte is clocked out when RXD.MAXCNT = 1). |
| depends on HAS_HW_NRF_SPIM1 && !SOC_NRF52832 |
| select NRFX_SPIM |
| help |
| Enable nRF SPI Master with EasyDMA on port 1. |
| |
| config SPI_1_NRF_SPIS |
| bool "nRF SPIS 1" |
| depends on HAS_HW_NRF_SPIS1 |
| depends on SPI_SLAVE |
| select NRFX_SPIS |
| help |
| Enable nRF SPI Slave with EasyDMA on port 1. |
| Due to hardware limitations the implementation supports only simple |
| buffers (consisting of one part) located in RAM. |
| |
| endchoice |
| |
| if SPI_1_NRF_SPI || SPI_1_NRF_SPIM || SPI_1_NRF_SPIS |
| |
| config SPI_1_NRF_ORC |
| hex "Over-read Character" |
| range 0x00 0xff |
| default 0xff |
| help |
| Over-read character. Character clocked out after an over-read |
| of the transmit buffer. |
| |
| endif # SPI_1_NRF_SPI || SPI_1_NRF_SPIM || SPI_1_NRF_SPIS |
| |
| endif # SPI_1 && !I2C_1 |
| |
| if SPI_2 |
| |
| choice |
| prompt "SPI Port 2 Driver type" |
| |
| config SPI_2_NRF_SPI |
| bool "nRF SPI 2" |
| depends on HAS_HW_NRF_SPI2 |
| select NRFX_SPI |
| help |
| Enable nRF SPI Master without EasyDMA on port 2. |
| |
| config SPI_2_NRF_SPIM |
| bool "nRF SPIM 2" |
| # This driver is not available for nRF52832 because of the anomaly 58 |
| # (SPIM: An additional byte is clocked out when RXD.MAXCNT = 1). |
| depends on HAS_HW_NRF_SPIM2 && !SOC_NRF52832 |
| select NRFX_SPIM |
| help |
| Enable nRF SPI Master with EasyDMA on port 2. |
| |
| config SPI_2_NRF_SPIS |
| bool "nRF SPIS 2" |
| depends on HAS_HW_NRF_SPIS2 |
| depends on SPI_SLAVE |
| select NRFX_SPIS |
| help |
| Enable nRF SPI Slave with EasyDMA on port 2. |
| Due to hardware limitations the implementation supports only simple |
| buffers (consisting of one part) located in RAM. |
| |
| endchoice |
| |
| if SPI_2_NRF_SPI || SPI_2_NRF_SPIM || SPI_2_NRF_SPIS |
| |
| config SPI_2_NRF_ORC |
| hex "Over-read Character" |
| range 0x00 0xff |
| default 0xff |
| help |
| Over-read character. Character clocked out after an over-read |
| of the transmit buffer. |
| |
| endif # SPI_2_NRF_SPI || SPI_2_NRF_SPIM || SPI_2_NRF_SPIS |
| |
| endif # SPI_2 |
| |
| if SPI_3 |
| |
| config SPI_3_NRF_SPIM |
| bool |
| depends on HAS_HW_NRF_SPIM3 |
| select NRFX_SPIM |
| default y |
| |
| if SPI_3_NRF_SPIM |
| |
| config SPI_3_NRF_ORC |
| hex "Over-read Character" |
| range 0x00 0xff |
| default 0xff |
| help |
| Over-read character. Character clocked out after an over-read |
| of the transmit buffer. |
| |
| config SPI_3_NRF_RX_DELAY |
| int "MISO sampling delay" |
| range 0 7 |
| default 2 |
| help |
| Number of 64 MHz clock cycles (15.625 ns) delay from the sampling |
| edge of SCK (leading or trailing, depending on the CPHA setting used) |
| until the input serial data on MISO is actually sampled. |
| |
| endif # SPI_3_NRF_SPIM |
| |
| endif # SPI_3 |
| |
| if NRFX_SPIM |
| |
| config SPI_NRFX_RAM_BUFFER_SIZE |
| int "Size of RAM buffer" |
| default 0 |
| help |
| SPIM peripherals cannot transmit data directly from flash. Therefore, |
| a buffer in RAM needs to be provided for each instance of SPI driver |
| using SPIM peripheral, so that the driver can copy there a chunk of |
| data from flash and transmit it. |
| The size is specified in bytes. A size of 0 means that this feature |
| should be disabled, and the application must then take care of not |
| supplying buffers located in flash to the driver, otherwise such |
| transfers will fail. |
| |
| choice |
| prompt "nRF SPIM MISO pin pull configuration" |
| default SPI_NRFX_SPIM_MISO_PULL_DOWN |
| |
| config SPI_NRFX_SPIM_MISO_NO_PULL |
| bool "no pull" |
| help |
| Disable MISO pin pull. |
| |
| config SPI_NRFX_SPIM_MISO_PULL_DOWN |
| bool "pull down" |
| help |
| Enable MISO pin pull down. |
| |
| config SPI_NRFX_SPIM_MISO_PULL_UP |
| bool "pull up" |
| help |
| Enable MISO pin pull up. |
| |
| endchoice |
| |
| endif # NRFX_SPIM |
| |
| if NRFX_SPI |
| |
| choice |
| prompt "nRF SPI MISO pin pull configuration" |
| default SPI_NRFX_SPI_MISO_PULL_DOWN |
| |
| config SPI_NRFX_SPI_MISO_NO_PULL |
| bool "no pull" |
| help |
| Disable MISO pin pull. |
| |
| config SPI_NRFX_SPI_MISO_PULL_DOWN |
| bool "pull down" |
| help |
| Enable MISO pin pull down. |
| |
| config SPI_NRFX_SPI_MISO_PULL_UP |
| bool "pull up" |
| help |
| Enable MISO pin pull up. |
| |
| endchoice |
| |
| endif # NRFX_SPI |
| |
| endif # SPI_NRFX |
