drivers: retained_mem: Add nRF GPREGRET driver

Adds a driver for the Nordic nRF GPREGRET registers and adds
entries to the SoCs for this peripheral.

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>
This commit is contained in:
Jamie McCrae 2023-02-22 12:54:13 +00:00 committed by Carles Cufí
commit 9bda013e5d
16 changed files with 309 additions and 0 deletions

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# Copyright (c) 2023 Nordic Semiconductor ASA
# SPDX-License-Identifier: Apache-2.0
description: Nordic GPREGRET (General Purpose Register Retention) device.
compatible: "nordic,nrf-gpregret"
include: base.yaml
properties:
reg:
required: true