poweroff: nordic: streamline RAM retention strategy #82262
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Common symbol is defined by SoCs that support RAM control helper. Signed-off-by: Nikodem Kastelik <[email protected]>
Updated retained_mem driver variant exposes vendor-specific API, rather than executing implicitly during boot. Signed-off-by: Nikodem Kastelik <[email protected]>
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area: Retained Memory
area: Samples
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RAM retention is disabled for all RAM blocks before entering System OFF to achieve lowest power consumption. RAM retention can still be enabled using retained_mem driver. Signed-off-by: Nikodem Kastelik <[email protected]>
Using bare-metal approach for retention configuration is no longer compatible with sys_poweroff() implementation. Signed-off-by: Nikodem Kastelik <[email protected]>
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retained_mem should be used for RAM retention management on nRF devices.
sys_poweroffshould disable RAM retention for unused RAM blocks to achieve lowest power consumption in System OFF state.Align
system_offsample accordingly.