Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/crypto/qcom-qce.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Qualcomm crypto engine driver |
| 8 | |
| 9 | maintainers: |
| 10 | - Bhupesh Sharma <bhupesh.sharma@linaro.org> |
| 11 | |
| 12 | description: |
| 13 | This document defines the binding for the QCE crypto |
| 14 | controller found on Qualcomm parts. |
| 15 | |
| 16 | properties: |
| 17 | compatible: |
| 18 | oneOf: |
| 19 | - const: qcom,crypto-v5.1 |
| 20 | deprecated: true |
| 21 | description: Kept only for ABI backward compatibility |
| 22 | |
| 23 | - const: qcom,crypto-v5.4 |
| 24 | deprecated: true |
| 25 | description: Kept only for ABI backward compatibility |
| 26 | |
| 27 | - items: |
| 28 | - enum: |
| 29 | - qcom,ipq4019-qce |
| 30 | - qcom,sm8150-qce |
| 31 | - const: qcom,qce |
| 32 | |
| 33 | - items: |
| 34 | - enum: |
| 35 | - qcom,ipq6018-qce |
| 36 | - qcom,ipq8074-qce |
| 37 | - qcom,ipq9574-qce |
| 38 | - qcom,msm8996-qce |
| 39 | - qcom,qcm2290-qce |
| 40 | - qcom,sdm845-qce |
| 41 | - qcom,sm6115-qce |
| 42 | - const: qcom,ipq4019-qce |
| 43 | - const: qcom,qce |
| 44 | |
| 45 | - items: |
| 46 | - enum: |
| 47 | - qcom,sm8250-qce |
| 48 | - qcom,sm8350-qce |
| 49 | - qcom,sm8450-qce |
| 50 | - qcom,sm8550-qce |
| 51 | - const: qcom,sm8150-qce |
| 52 | - const: qcom,qce |
| 53 | |
| 54 | reg: |
| 55 | maxItems: 1 |
| 56 | |
| 57 | clocks: |
| 58 | minItems: 1 |
| 59 | maxItems: 3 |
| 60 | |
| 61 | clock-names: |
| 62 | minItems: 1 |
| 63 | maxItems: 3 |
| 64 | |
| 65 | iommus: |
| 66 | minItems: 1 |
| 67 | maxItems: 8 |
| 68 | description: |
| 69 | phandle to apps_smmu node with sid mask. |
| 70 | |
| 71 | interconnects: |
| 72 | maxItems: 1 |
| 73 | description: |
| 74 | Interconnect path between qce crypto and main memory. |
| 75 | |
| 76 | interconnect-names: |
| 77 | const: memory |
| 78 | |
| 79 | dmas: |
| 80 | items: |
| 81 | - description: DMA specifiers for rx dma channel. |
| 82 | - description: DMA specifiers for tx dma channel. |
| 83 | |
| 84 | dma-names: |
| 85 | items: |
| 86 | - const: rx |
| 87 | - const: tx |
| 88 | |
| 89 | allOf: |
| 90 | - if: |
| 91 | properties: |
| 92 | compatible: |
| 93 | contains: |
| 94 | enum: |
| 95 | - qcom,crypto-v5.1 |
| 96 | - qcom,crypto-v5.4 |
| 97 | - qcom,ipq6018-qce |
| 98 | - qcom,ipq8074-qce |
| 99 | - qcom,msm8996-qce |
| 100 | - qcom,sdm845-qce |
| 101 | then: |
| 102 | properties: |
| 103 | clocks: |
| 104 | maxItems: 3 |
| 105 | clock-names: |
| 106 | items: |
| 107 | - const: iface |
| 108 | - const: bus |
| 109 | - const: core |
| 110 | required: |
| 111 | - clocks |
| 112 | - clock-names |
| 113 | |
| 114 | - if: |
| 115 | properties: |
| 116 | compatible: |
| 117 | contains: |
| 118 | enum: |
| 119 | - qcom,qcm2290-qce |
| 120 | - qcom,sm6115-qce |
| 121 | then: |
| 122 | properties: |
| 123 | clocks: |
| 124 | maxItems: 1 |
| 125 | clock-names: |
| 126 | items: |
| 127 | - const: core |
| 128 | required: |
| 129 | - clocks |
| 130 | - clock-names |
| 131 | |
| 132 | required: |
| 133 | - compatible |
| 134 | - reg |
| 135 | - dmas |
| 136 | - dma-names |
| 137 | |
| 138 | additionalProperties: false |
| 139 | |
| 140 | examples: |
| 141 | - | |
| 142 | #include <dt-bindings/clock/qcom,gcc-apq8084.h> |
| 143 | crypto-engine@fd45a000 { |
| 144 | compatible = "qcom,ipq6018-qce", "qcom,ipq4019-qce", "qcom,qce"; |
| 145 | reg = <0xfd45a000 0x6000>; |
| 146 | clocks = <&gcc GCC_CE2_AHB_CLK>, |
| 147 | <&gcc GCC_CE2_AXI_CLK>, |
| 148 | <&gcc GCC_CE2_CLK>; |
| 149 | clock-names = "iface", "bus", "core"; |
| 150 | dmas = <&cryptobam 2>, <&cryptobam 3>; |
| 151 | dma-names = "rx", "tx"; |
| 152 | iommus = <&apps_smmu 0x584 0x0011>, |
| 153 | <&apps_smmu 0x586 0x0011>, |
| 154 | <&apps_smmu 0x594 0x0011>, |
| 155 | <&apps_smmu 0x596 0x0011>; |
| 156 | }; |