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,sc7280-qce
48 - qcom,sm6350-qce
49 - qcom,sm8250-qce
50 - qcom,sm8350-qce
51 - qcom,sm8450-qce
52 - qcom,sm8550-qce
53 - qcom,sm8650-qce
54 - const: qcom,sm8150-qce
55 - const: qcom,qce
56
57 reg:
58 maxItems: 1
59
60 clocks:
61 minItems: 1
62 maxItems: 3
63
64 clock-names:
65 minItems: 1
66 maxItems: 3
67
68 iommus:
69 minItems: 1
70 maxItems: 8
71 description:
72 phandle to apps_smmu node with sid mask.
73
74 interconnects:
75 maxItems: 1
76 description:
77 Interconnect path between qce crypto and main memory.
78
79 interconnect-names:
80 const: memory
81
82 dmas:
83 items:
84 - description: DMA specifiers for rx dma channel.
85 - description: DMA specifiers for tx dma channel.
86
87 dma-names:
88 items:
89 - const: rx
90 - const: tx
91
92 allOf:
93 - if:
94 properties:
95 compatible:
96 contains:
97 enum:
98 - qcom,crypto-v5.1
99 - qcom,crypto-v5.4
100 - qcom,ipq6018-qce
101 - qcom,ipq8074-qce
102 - qcom,ipq9574-qce
103 - qcom,msm8996-qce
104 - qcom,sdm845-qce
105 then:
106 properties:
107 clocks:
108 maxItems: 3
109 clock-names:
110 items:
111 - const: iface
112 - const: bus
113 - const: core
114 required:
115 - clocks
116 - clock-names
117
118 - if:
119 properties:
120 compatible:
121 contains:
122 enum:
123 - qcom,qcm2290-qce
124 - qcom,sm6115-qce
125 then:
126 properties:
127 clocks:
128 maxItems: 1
129 clock-names:
130 items:
131 - const: core
132 required:
133 - clocks
134 - clock-names
135
136 - if:
137 properties:
138 compatible:
139 contains:
140 enum:
141 - qcom,sm8150-qce
142 then:
143 properties:
144 clocks: false
145 clock-names: false
146
147 required:
148 - compatible
149 - reg
150 - dmas
151 - dma-names
152
153 additionalProperties: false
154
155 examples:
156 - |
157 #include <dt-bindings/clock/qcom,gcc-apq8084.h>
158 crypto-engine@fd45a000 {
159 compatible = "qcom,ipq6018-qce", "qcom,ipq4019-qce", "qcom,qce";
160 reg = <0xfd45a000 0x6000>;
161 clocks = <&gcc GCC_CE2_AHB_CLK>,
162 <&gcc GCC_CE2_AXI_CLK>,
163 <&gcc GCC_CE2_CLK>;
164 clock-names = "iface", "bus", "core";
165 dmas = <&cryptobam 2>, <&cryptobam 3>;
166 dma-names = "rx", "tx";
167 iommus = <&apps_smmu 0x584 0x0011>,
168 <&apps_smmu 0x586 0x0011>,
169 <&apps_smmu 0x594 0x0011>,
170 <&apps_smmu 0x596 0x0011>;
171 };
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