92 lines
2.1 KiB
Plaintext
92 lines
2.1 KiB
Plaintext
# Kconfig - STM32 I2S driver configuration options
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#
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# Copyright (c) 2018 STMicroelectronics
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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menuconfig I2S_STM32
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bool "STM32 MCU I2S controller driver"
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depends on SOC_SERIES_STM32F4X
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select DMA
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help
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Enable I2S support on the STM32 family of processors.
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(Tested on the STM32F4 series)
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if I2S_STM32
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config I2S_STM32_RX_BLOCK_COUNT
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int "RX queue length"
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default 4
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config I2S_STM32_TX_BLOCK_COUNT
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int "TX queue length"
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default 4
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config I2S_STM32_USE_PLLI2S_ENABLE
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bool "Enable usage of PLL"
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help
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Enable it if I2S clock should be provided by the PLLI2S.
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If not enabled the clock will be provided by HSI/HSE.
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config I2S_STM32_PLLI2S_PLLM
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int "Division factor for PLLI2S VCO input clock"
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depends on I2S_STM32_USE_PLLI2S_ENABLE
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default 8
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range 2 63
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help
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Division factor for the audio PLL (PLLI2S) VCO input clock.
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PLLM factor should be selected to ensure that the VCO
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input frequency ranges from 1 to 2 MHz. It is recommended
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to select a frequency of 2 MHz to limit PLL jitter.
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Allowed values: 2-63
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config I2S_STM32_PLLI2S_PLLN
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int "Multiplier factor for PLLI2S VCO output clock"
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depends on I2S_STM32_USE_PLLI2S_ENABLE
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default 56
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range 50 432
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help
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Multiply factor for the audio PLL (PLLI2S) VCO output clock.
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PLLN factor should be selected to ensure that the VCO
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output frequency ranges from 100 to 432 MHz.
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Allowed values: 50-432
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config I2S_STM32_PLLI2S_PLLR
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int "Division factor for I2S clock"
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depends on I2S_STM32_USE_PLLI2S_ENABLE
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default 7
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range 2 7
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help
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Division factor for the I2S clock.
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PLLR factor should be selected to ensure that the I2S clock
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frequency is less than or equal to 192MHz.
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Allowed values: 2-7
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config I2S_1
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bool "I2S port 1"
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help
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Enable I2S controller port 1.
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config I2S_2
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bool "I2S port 2"
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help
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Enable I2S controller port 2.
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config I2S_3
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bool "I2S port 3"
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help
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Enable I2S controller port 3.
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config I2S_4
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bool "I2S port 4"
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help
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Enable I2S controller port 4.
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config I2S_5
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bool "I2S port 5"
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help
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Enable I2S controller port 5.
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endif # I2S_STM32
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