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feat(esp_security): make esp32s31 on-demand crypto clock management optional

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wuzhenghui
2026-07-22 16:32:46 +08:00
parent a04dc898db
commit 09253d3f48
3 changed files with 54 additions and 4 deletions
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components/esp_security/Kconfig
+17
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@@ -1,5 +1,22 @@
menu "ESP Security Specific"
config ESP_CRYPTO_CLK_ON_DEMAND
bool "Enable on-demand crypto clock management"
depends on IDF_TARGET_ESP32S31
default y if PM_ENABLE
default n
help
When enabled, crypto/security peripheral clocks and their parent
(PLL_F240M) are enabled only while crypto operations are in
progress and disabled afterwards, reducing power consumption.
Enabling and disabling these clocks has a noticeable performance
cost for crypto operations. When this option is disabled (default),
crypto clocks remain always on after initialization for better
crypto performance.
Defaults to enabled when Power Management (CONFIG_PM_ENABLE) is on.
menu "Crypto DPA Protection"
depends on SOC_CRYPTO_DPA_PROTECTION_SUPPORTED
config ESP_CRYPTO_DPA_PROTECTION_AT_STARTUP