# Copyright 2024 NXP
# SPDX-License-Identifier: Apache-2.0

description: NXP S32 Quad Serial Peripheral Interface (QSPI) Secure Flash Protection SFP FRAD.

  The SFP FRAD performs second-level checks on input flash write and erase transactions,
  based on the address range of each transaction.

compatible: "nxp,s32-qspi-sfp-frad"

child-binding:

  properties:
    reg:
      type: array
      required: true

    master-domain-acp-policy:
      type: int
      required: true
      description: |
        Selects the master domain access control policy, defined in dt-bindings/qspi/nxp-s32-qspi.h:
        - NXP_S32_QSPI_NON_SECURE: Selects the non-secure access control policy.
        - NXP_S32_QSPI_SECURE: Selects the secure access control policy.
        - NXP_S32_QSPI_PRIVILEGE: Selects the privilege access control policy.
        Allowed combinations:
        - NXP_S32_QSPI_SECURE
        - NXP_S32_QSPI_SECURE | NXP_S32_QSPI_PRIVILEGE
        - NXP_S32_QSPI_NON_SECURE | NXP_S32_QSPI_PRIVILEGE
        - NXP_S32_QSPI_NON_SECURE | NXP_S32_QSPI_SECURE | NXP_S32_QSPI_PRIVILEGE

    exclusive-access-lock:
      type: string
      enum:
        - DISABLED
        - OWNER
        - NONE
      default: DISABLED
      description: |
        Selects the exclusive access lock:
        - DISABLED: The exclusive access lock disabled, granting write permissions for all masters
        - ENABLED: The exclusive access lock enabled, granting write permissions only to the
          exclusive access owner master and disabling write permissions for other masters.
        - NONE: This configuration should not be used
        The default corresponds to the reset value of the register field.

    exclusive-access-owner:
      type: int
      default: 0
      description: |
        The domain master ID that owns the exclusive access lock.
        Valid range: 0 - 63. The default corresponds to the reset
        value of the register field.