b804a5accc
TI MSPM0 has a TRNG module to generate truly random bits. Add a support for TI MSPM0 TRNG module. Signed-off-by: Sanjay Vallimanalan <sanjay@linumiz.com>
33 lines
934 B
Plaintext
33 lines
934 B
Plaintext
# Copyright (c) 2025, Linumiz GmbH
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# SPDX-License-Identifier: Apache-2.0
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config ENTROPY_MSPM0_TRNG
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bool "TI MSPM0 True Random Number Generator (TRNG)"
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default y
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depends on DT_HAS_TI_MSPM0_TRNG_ENABLED
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depends on SOC_FAMILY_TI_MSPM0
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select ENTROPY_HAS_DRIVER
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select RING_BUFFER
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help
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This option enables the driver for the True Random Number Generator (TRNG)
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for TI MSPM0 SoCs.
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if ENTROPY_MSPM0_TRNG
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config ENTROPY_MSPM0_TRNG_POOL_SIZE
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int "Entropy pool buffer size in bytes"
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default 256
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help
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The size in bytes of the ring buffer used to store entropy generated by the
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TRNG hardware.
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config ENTROPY_MSPM0_TRNG_DECIMATION_RATE
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int "TRNG decimation rate (0-7)"
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default 4
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range 0 7
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help
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The decimation rate controls the sampling rate of the TRNG. Higher values
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provide better entropy quality. A decimation rate of 4 or greater is recommended per TRM.
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Valid values are 0-7.
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endif # ENTROPY_MSPM0_TRNG
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