linux-loongson/Documentation/devicetree/bindings/crypto/marvell,orion-crypto.yaml
Rob Herring (Arm) 7d39f32c8c dt-bindings: crypto: Convert Marvell CESA to DT schema
Convert the Marvell CESA binding to DT schema format. The
marvell-cesa.txt and mv_cesa.txt are duplicate bindings.

The clock properties are quite varied for each platform hence the
if/then schemas. The old binding was fairly accurate with reality.

The original binding didn't mention there is 1 interrupt per CESA
engine. Based on users, there's a maximum of 2 engines.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-19 13:48:19 +08:00

134 lines
2.8 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/crypto/marvell,orion-crypto.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Marvell Cryptographic Engines And Security Accelerator
maintainers:
- Andrew Lunn <andrew@lunn.ch>
- Boris Brezillon <bbrezillon@kernel.org>
description: |
Marvell Cryptographic Engines And Security Accelerator
properties:
compatible:
enum:
- marvell,armada-370-crypto
- marvell,armada-xp-crypto
- marvell,armada-375-crypto
- marvell,armada-38x-crypto
- marvell,dove-crypto
- marvell,kirkwood-crypto
- marvell,orion-crypto
reg:
minItems: 1
items:
- description: Registers region
- description: SRAM region
deprecated: true
reg-names:
minItems: 1
items:
- const: regs
- const: sram
deprecated: true
interrupts:
description: One interrupt for each CESA engine
minItems: 1
maxItems: 2
clocks:
description: One or two clocks for each CESA engine
minItems: 1
maxItems: 4
clock-names:
minItems: 1
items:
- const: cesa0
- const: cesa1
- const: cesaz0
- const: cesaz1
marvell,crypto-srams:
description: Phandle(s) to crypto SRAM.
$ref: /schemas/types.yaml#/definitions/phandle-array
minItems: 1
maxItems: 2
items:
maxItems: 1
marvell,crypto-sram-size:
description: SRAM size reserved for crypto operations.
$ref: /schemas/types.yaml#/definitions/uint32
default: 0x800
required:
- compatible
- reg
- reg-names
- interrupts
- marvell,crypto-srams
allOf:
- if:
not:
properties:
compatible:
enum:
- marvell,kirkwood-crypto
- marvell,orion-crypto
then:
required:
- clocks
- if:
properties:
compatible:
contains:
enum:
- marvell,armada-370-crypto
- marvell,armada-375-crypto
- marvell,armada-38x-crypto
- marvell,armada-xp-crypto
then:
required:
- clock-names
- if:
properties:
compatible:
contains:
enum:
- marvell,armada-375-crypto
- marvell,armada-38x-crypto
then:
properties:
clocks:
minItems: 4
clock-names:
minItems: 4
else:
properties:
clocks:
maxItems: 2
clock-names:
maxItems: 2
additionalProperties: false
examples:
- |
crypto@30000 {
compatible = "marvell,orion-crypto";
reg = <0x30000 0x10000>;
reg-names = "regs";
interrupts = <22>;
marvell,crypto-srams = <&crypto_sram>;
marvell,crypto-sram-size = <0x600>;
};