marvell,orion-crypto.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/crypto/marvell,orion-crypto.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Marvell Cryptographic Engines And Security Accelerator
  8
  9maintainers:
 10  - Andrew Lunn <andrew@lunn.ch>
 11  - Boris Brezillon <bbrezillon@kernel.org>
 12
 13description: |
 14  Marvell Cryptographic Engines And Security Accelerator
 15
 16properties:
 17  compatible:
 18    enum:
 19      - marvell,armada-370-crypto
 20      - marvell,armada-xp-crypto
 21      - marvell,armada-375-crypto
 22      - marvell,armada-38x-crypto
 23      - marvell,dove-crypto
 24      - marvell,kirkwood-crypto
 25      - marvell,orion-crypto
 26
 27  reg:
 28    minItems: 1
 29    items:
 30      - description: Registers region
 31      - description: SRAM region
 32        deprecated: true
 33
 34  reg-names:
 35    minItems: 1
 36    items:
 37      - const: regs
 38      - const: sram
 39        deprecated: true
 40
 41  interrupts:
 42    description: One interrupt for each CESA engine
 43    minItems: 1
 44    maxItems: 2
 45
 46  clocks:
 47    description: One or two clocks for each CESA engine
 48    minItems: 1
 49    maxItems: 4
 50
 51  clock-names:
 52    minItems: 1
 53    items:
 54      - const: cesa0
 55      - const: cesa1
 56      - const: cesaz0
 57      - const: cesaz1
 58
 59  marvell,crypto-srams:
 60    description: Phandle(s) to crypto SRAM.
 61    $ref: /schemas/types.yaml#/definitions/phandle-array
 62    minItems: 1
 63    maxItems: 2
 64    items:
 65      maxItems: 1
 66
 67  marvell,crypto-sram-size:
 68    description: SRAM size reserved for crypto operations.
 69    $ref: /schemas/types.yaml#/definitions/uint32
 70    default: 0x800
 71
 72required:
 73  - compatible
 74  - reg
 75  - reg-names
 76  - interrupts
 77  - marvell,crypto-srams
 78
 79allOf:
 80  - if:
 81      not:
 82        properties:
 83          compatible:
 84            enum:
 85              - marvell,kirkwood-crypto
 86              - marvell,orion-crypto
 87    then:
 88      required:
 89        - clocks
 90  - if:
 91      properties:
 92        compatible:
 93          contains:
 94            enum:
 95              - marvell,armada-370-crypto
 96              - marvell,armada-375-crypto
 97              - marvell,armada-38x-crypto
 98              - marvell,armada-xp-crypto
 99    then:
100      required:
101        - clock-names
102  - if:
103      properties:
104        compatible:
105          contains:
106            enum:
107              - marvell,armada-375-crypto
108              - marvell,armada-38x-crypto
109    then:
110      properties:
111        clocks:
112          minItems: 4
113        clock-names:
114          minItems: 4
115    else:
116      properties:
117        clocks:
118          maxItems: 2
119        clock-names:
120          maxItems: 2
121
122additionalProperties: false
123
124examples:
125  - |
126    crypto@30000 {
127        compatible = "marvell,orion-crypto";
128        reg = <0x30000 0x10000>;
129        reg-names = "regs";
130        interrupts = <22>;
131        marvell,crypto-srams = <&crypto_sram>;
132        marvell,crypto-sram-size = <0x600>;
133    };