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dt-bindings: crypto: Convert brcm,spum-crypto to DT schema

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Convert the Broadcom SPUM/SPU2 binding to DT schema format. It's a
straight forward conversion.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Rob Herring (Arm) 2025-05-13 13:41:02 -05:00 committed by Herbert Xu
parent bbd8265d45
commit b525ac4be3
2 changed files with 44 additions and 22 deletions
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22
Documentation/devicetree/bindings/crypto/brcm,spu-crypto.txt
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The Broadcom Secure Processing Unit (SPU) hardware supports symmetric
cryptographic offload for Broadcom SoCs. A SoC may have multiple SPU hardware
blocks.
Required properties:
- compatible: Should be one of the following:
brcm,spum-crypto - for devices with SPU-M hardware
brcm,spu2-crypto - for devices with SPU2 hardware
brcm,spu2-v2-crypto - for devices with enhanced SPU2 hardware features like SHA3
and Rabin Fingerprint support
brcm,spum-nsp-crypto - for the Northstar Plus variant of the SPU-M hardware
- reg: Should contain SPU registers location and length.
- mboxes: The mailbox channel to be used to communicate with the SPU.
Mailbox channels correspond to DMA rings on the device.
Example:
crypto@612d0000 {
compatible = "brcm,spum-crypto";
reg = <0 0x612d0000 0 0x900>;
mboxes = <&pdc0 0>;
};

44
Documentation/devicetree/bindings/crypto/brcm,spum-crypto.yaml Normal file
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# 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>;
};