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drivers: entropy: Introduce SiWx91x entropy driver

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Support for random number generator is required for most of the
cryptographic operations, including support for WiFi and TLS.

This driver has been tested with tests/drivers/entropy:

    *** Booting Zephyr OS build v3.7.0-4339-g1ec5ce05f9f8 ***
    Running TESTSUITE entropy_api
    ===================================================================
    START - test_entropy_get_entropy
    random device is 0x8217298, name is rng@45090000
      0x93
      0x3e
      0xf1
      0x68
      0xd4
      0x22
      0xbf
      0x4d
      0xad
     PASS - test_entropy_get_entropy in 0.012 seconds
    ===================================================================
    TESTSUITE entropy_api succeeded

    ------ TESTSUITE SUMMARY START ------

    SUITE PASS - 100.00% [entropy_api]: pass = 1, fail = 0, skip = 0 ...
     - PASS - [entropy_api.test_entropy_get_entropy] duration = 0.01 ...

    ------ TESTSUITE SUMMARY END ------

    ===================================================================
    RunID: d1547c805699201af769cb01331efcce
    PROJECT EXECUTION SUCCESSFUL

Co-authored-by: Tibor Laczko <tibor.laczko@silabs.com>
Signed-off-by: Tibor Laczko <tibor.laczko@silabs.com>
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
This commit is contained in:
Jérôme Pouiller 2025-01-31 12:05:14 +01:00 • committed by Benjamin Cabé
commit 938fb872de
6 changed files with 90 additions and 0 deletions
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4
modules/hal_silabs/wiseconnect/CMakeLists.txt
View file

@ -50,5 +50,9 @@ zephyr_library_sources(
${WISECONNECT_DIR}/components/device/silabs/si91x/mcu/core/chip/src/iPMU_prog/iPMU_dotc/rsi_system_config_917.c
)
zephyr_library_sources_ifdef(CONFIG_ENTROPY_SILABS_SIWX91X
${WISECONNECT_DIR}/components/device/silabs/si91x/mcu/drivers/peripheral_drivers/src/rsi_rng.c
)
zephyr_linker_sources(ROM_SECTIONS linker/code_classification_text.ld)
zephyr_linker_sources(RAMFUNC_SECTION linker/code_classification_ramfunc.ld)