c975910f84
Add support for upcomming SPIS instances. Signed-off-by: Krzysztof Chruściński <krzysztof.chruscinski@nordicsemi.no>
117 lines
4.3 KiB
Plaintext
117 lines
4.3 KiB
Plaintext
# Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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menuconfig SPI_NRFX
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bool "nRF SPI nrfx drivers"
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default y
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depends on SOC_FAMILY_NORDIC_NRF
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depends on MULTITHREADING
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select PINCTRL
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help
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Enable support for nrfx SPI drivers for nRF MCU series.
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if SPI_NRFX
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config SPI_NRFX_SPI
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def_bool y
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depends on DT_HAS_NORDIC_NRF_SPI_ENABLED
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select NRFX_SPI0 if HAS_HW_NRF_SPI0
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select NRFX_SPI1 if HAS_HW_NRF_SPI1
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select NRFX_SPI2 if HAS_HW_NRF_SPI2
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config SPI_NRFX_SPIM
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def_bool y
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depends on DT_HAS_NORDIC_NRF_SPIM_ENABLED
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select NRFX_SPIM0 if HAS_HW_NRF_SPIM0
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select NRFX_SPIM1 if HAS_HW_NRF_SPIM1
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select NRFX_SPIM2 if HAS_HW_NRF_SPIM2
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select NRFX_SPIM3 if HAS_HW_NRF_SPIM3
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select NRFX_SPIM4 if HAS_HW_NRF_SPIM4
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select NRFX_SPIM00 if HAS_HW_NRF_SPIM00
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select NRFX_SPIM20 if HAS_HW_NRF_SPIM20
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select NRFX_SPIM21 if HAS_HW_NRF_SPIM21
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select NRFX_SPIM22 if HAS_HW_NRF_SPIM22
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select NRFX_SPIM30 if HAS_HW_NRF_SPIM30
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select NRFX_SPIM120 if HAS_HW_NRF_SPIM120
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select NRFX_SPIM121 if HAS_HW_NRF_SPIM121
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select NRFX_SPIM130 if HAS_HW_NRF_SPIM130
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select NRFX_SPIM131 if HAS_HW_NRF_SPIM131
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select NRFX_SPIM132 if HAS_HW_NRF_SPIM132
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select NRFX_SPIM133 if HAS_HW_NRF_SPIM133
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select NRFX_SPIM134 if HAS_HW_NRF_SPIM134
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select NRFX_SPIM135 if HAS_HW_NRF_SPIM135
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select NRFX_SPIM136 if HAS_HW_NRF_SPIM136
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select NRFX_SPIM137 if HAS_HW_NRF_SPIM137
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config SPI_NRFX_SPIS
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def_bool y
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depends on DT_HAS_NORDIC_NRF_SPIS_ENABLED
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select SPI_SLAVE
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select NRFX_SPIS0 if HAS_HW_NRF_SPIS0
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select NRFX_SPIS1 if HAS_HW_NRF_SPIS1
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select NRFX_SPIS2 if HAS_HW_NRF_SPIS2
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select NRFX_SPIS3 if HAS_HW_NRF_SPIS3
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select NRFX_SPIS00 if HAS_HW_NRF_SPIS00
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select NRFX_SPIS20 if HAS_HW_NRF_SPIS20
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select NRFX_SPIS21 if HAS_HW_NRF_SPIS21
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select NRFX_SPIS22 if HAS_HW_NRF_SPIS22
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select NRFX_SPIS30 if HAS_HW_NRF_SPIS30
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select NRFX_SPIS120 if HAS_HW_NRF_SPIS120
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select NRFX_SPIS130 if HAS_HW_NRF_SPIS130
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select NRFX_SPIS131 if HAS_HW_NRF_SPIS131
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select NRFX_SPIS132 if HAS_HW_NRF_SPIS132
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select NRFX_SPIS133 if HAS_HW_NRF_SPIS133
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select NRFX_SPIS134 if HAS_HW_NRF_SPIS134
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select NRFX_SPIS135 if HAS_HW_NRF_SPIS135
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select NRFX_SPIS136 if HAS_HW_NRF_SPIS136
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select NRFX_SPIS137 if HAS_HW_NRF_SPIS137
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config SOC_NRF52832_ALLOW_SPIM_DESPITE_PAN_58
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depends on SOC_NRF52832
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select NRFX_PPI
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bool "Allow enabling the SPIM driver despite PAN 58"
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help
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Allow enabling the nRF SPI Master with EasyDMA, despite
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Product Anomaly Notice 58 (SPIM: An additional byte is
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clocked out when RXD.MAXCNT == 1 and TXD.MAXCNT <= 1).
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Without this override, the SPI Master is only available
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without EasyDMA. Note that the 'SPIM' and 'SPIS' drivers
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use EasyDMA, while the 'SPI' driver does not.
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When used in conjunction with nRF SPIM Devicetree property
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'anomaly-58-workaround' a workaround can be enabled per SPIM
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instance. If you are certain that transactions with
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RXD.MAXCNT == 1 and TXD.MAXCNT <= 1 will NOT be executed
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then nRF52832 PPI and GPIOTE resources can be saved by not
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enabling 'anomaly-58-workaround' via the Devicetree.
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config SPI_NRFX_RAM_BUFFER_SIZE
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int "Size of RAM buffers for SPIM peripherals"
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default 8
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depends on SPI_NRFX_SPIM
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help
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Because of using EasyDMA, SPIM peripherals cannot use transmit and
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receive buffers from all memory locations. They are restricted to
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buffers located in certain RAM memories only. Therefore, each SPIM
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driver instance needs to use an intermediate local RAM buffer,
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to transfer data in chunks not exceeding the size of that buffer,
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and to copy those chunks between the local buffer and the one
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specified in the transfer request if the latter is not accessible
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by EasyDMA.
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This option specifies the size in bytes of such local RAM buffers
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for both TX and RX paths. A size of 0 means that this feature should
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be disabled and the driver user must take care of not making transfer
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requests with buffers not accessible by EasyDMA since such transfers
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will fail.
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config SPI_NRFX_WAKE_TIMEOUT_US
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int "Maximum time to wait for SPI slave to wake up"
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default 200
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help
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Maximum amount of time (in microseconds) that SPI master should wait
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for SPI slave to wake up after the WAKE line is asserted. Used only
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by instances that have the WAKE line configured (see the wake-gpios
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devicetree property).
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endif # SPI_NRFX
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