xref: /freebsd/sys/contrib/device-tree/Bindings/crypto/brcm,spum-crypto.yaml (revision ae5de77ed78ae54d86cead5604869212e8008e6b)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/brcm,spum-crypto.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Broadcom SPU Crypto Offload

maintainers:
  - Rob Rice <rob.rice@broadcom.com>

description:
  The Broadcom Secure Processing Unit (SPU) hardware supports symmetric
  cryptographic offload for Broadcom SoCs. A SoC may have multiple SPU hardware
  blocks.

properties:
  compatible:
    enum:
      - brcm,spum-crypto
      - brcm,spu2-crypto
      - brcm,spu2-v2-crypto     # enhanced SPU2 hardware features like SHA3 and Rabin Fingerprint support
      - brcm,spum-nsp-crypto    # Northstar Plus variant of the SPU-M hardware

  reg:
    maxItems: 1

  mboxes:
    maxItems: 1

required:
  - compatible
  - reg
  - mboxes

additionalProperties: false

examples:
  - |
    crypto@612d0000 {
        compatible = "brcm,spum-crypto";
        reg = <0x612d0000 0x900>;
        mboxes = <&pdc0 0>;
    };