| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/soc/qcom/qcom,apr.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Qualcomm APR/GPR (Asynchronous/Generic Packet Router) |
| 8 | |
| 9 | maintainers: |
| 10 | - Srinivas Kandagatla <srinivas.kandagatla@linaro.org> |
| 11 | |
| 12 | description: | |
| 13 | This binding describes the Qualcomm APR/GPR, APR/GPR is a IPC protocol for |
| 14 | communication between Application processor and QDSP. APR/GPR is mainly |
| 15 | used for audio/voice services on the QDSP. |
| 16 | |
| 17 | properties: |
| 18 | compatible: |
| 19 | enum: |
| 20 | - qcom,apr |
| 21 | - qcom,apr-v2 |
| 22 | - qcom,gpr |
| 23 | |
| 24 | power-domains: |
| 25 | maxItems: 1 |
| 26 | |
| 27 | qcom,apr-domain: |
| 28 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 29 | enum: [1, 2, 3, 4, 5, 6, 7] |
| 30 | description: |
| 31 | Selects the processor domain for apr |
| 32 | 1 = APR simulator |
| 33 | 2 = PC Domain |
| 34 | 3 = Modem Domain |
| 35 | 4 = ADSP Domain |
| 36 | 5 = Application processor Domain |
| 37 | 6 = Modem2 Domain |
| 38 | 7 = Application Processor2 Domain |
| 39 | deprecated: true |
| 40 | |
| 41 | qcom,domain: |
| 42 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 43 | minimum: 1 |
| 44 | maximum: 7 |
| 45 | description: |
| 46 | Selects the processor domain for apr |
| 47 | 1 = APR simulator |
| 48 | 2 = PC Domain |
| 49 | 3 = Modem Domain |
| 50 | 4 = ADSP Domain |
| 51 | 5 = Application processor Domain |
| 52 | 6 = Modem2 Domain |
| 53 | 7 = Application Processor2 Domain |
| 54 | Selects the processor domain for gpr |
| 55 | 1 = Modem Domain |
| 56 | 2 = Audio DSP Domain |
| 57 | 3 = Application Processor Domain |
| 58 | |
| 59 | qcom,glink-channels: |
| 60 | $ref: /schemas/types.yaml#/definitions/string-array |
| 61 | description: Channel name used for the communication |
| 62 | maxItems: 1 |
| 63 | |
| 64 | qcom,intents: |
| 65 | $ref: /schemas/types.yaml#/definitions/uint32-matrix |
| 66 | minItems: 1 |
| 67 | maxItems: 32 |
| 68 | items: |
| 69 | items: |
| 70 | - description: size of each intent to preallocate |
| 71 | - description: amount of intents to preallocate |
| 72 | minimum: 1 |
| 73 | description: |
| 74 | List of (size, amount) pairs describing what intents should be |
| 75 | preallocated for this virtual channel. This can be used to tweak the |
| 76 | default intents available for the channel to meet expectations of the |
| 77 | remote. |
| 78 | |
| 79 | qcom,smd-channels: |
| 80 | $ref: /schemas/types.yaml#/definitions/string-array |
| 81 | description: Channel name used for the communication |
| 82 | items: |
| 83 | - const: apr_audio_svc |
| 84 | |
| 85 | '#address-cells': |
| 86 | const: 1 |
| 87 | |
| 88 | '#size-cells': |
| 89 | const: 0 |
| 90 | |
| 91 | patternProperties: |
| 92 | "^service@[1-9a-d]$": |
| 93 | type: object |
| 94 | $ref: /schemas/soc/qcom/qcom,apr-services.yaml |
| 95 | additionalProperties: true |
| 96 | description: |
| 97 | APR/GPR static port services. |
| 98 | |
| 99 | properties: |
| 100 | compatible: |
| 101 | enum: |
| 102 | - qcom,q6core |
| 103 | - qcom,q6asm |
| 104 | - qcom,q6afe |
| 105 | - qcom,q6adm |
| 106 | - qcom,q6apm |
| 107 | - qcom,q6prm |
| 108 | |
| 109 | required: |
| 110 | - compatible |
| 111 | - qcom,domain |
| 112 | |
| 113 | allOf: |
| 114 | - if: |
| 115 | properties: |
| 116 | compatible: |
| 117 | enum: |
| 118 | - qcom,gpr |
| 119 | then: |
| 120 | properties: |
| 121 | qcom,glink-channels: |
| 122 | items: |
| 123 | - const: adsp_apps |
| 124 | power-domains: false |
| 125 | else: |
| 126 | properties: |
| 127 | qcom,glink-channels: |
| 128 | items: |
| 129 | - const: apr_audio_svc |
| 130 | |
| 131 | - if: |
| 132 | required: |
| 133 | - qcom,glink-channels |
| 134 | then: |
| 135 | properties: |
| 136 | qcom,smd-channels: false |
| 137 | |
| 138 | - if: |
| 139 | required: |
| 140 | - qcom,smd-channels |
| 141 | then: |
| 142 | properties: |
| 143 | qcom,glink-channels: false |
| 144 | |
| 145 | additionalProperties: false |
| 146 | |
| 147 | examples: |
| 148 | - | |
| 149 | #include <dt-bindings/soc/qcom,apr.h> |
| 150 | apr { |
| 151 | compatible = "qcom,apr-v2"; |
| 152 | qcom,domain = <APR_DOMAIN_ADSP>; |
| 153 | qcom,glink-channels = "apr_audio_svc"; |
| 154 | qcom,intents = <512 20>; |
| 155 | #address-cells = <1>; |
| 156 | #size-cells = <0>; |
| 157 | |
| 158 | q6core: service@3 { |
| 159 | compatible = "qcom,q6core"; |
| 160 | reg = <APR_SVC_ADSP_CORE>; |
| 161 | qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; |
| 162 | }; |
| 163 | |
| 164 | service@4 { |
| 165 | compatible = "qcom,q6afe"; |
| 166 | reg = <APR_SVC_AFE>; |
| 167 | qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; |
| 168 | |
| 169 | clock-controller { |
| 170 | compatible = "qcom,q6afe-clocks"; |
| 171 | #clock-cells = <2>; |
| 172 | }; |
| 173 | |
| 174 | dais { |
| 175 | compatible = "qcom,q6afe-dais"; |
| 176 | #address-cells = <1>; |
| 177 | #size-cells = <0>; |
| 178 | #sound-dai-cells = <1>; |
| 179 | /* ... */ |
| 180 | }; |
| 181 | /* ... */ |
| 182 | }; |
| 183 | }; |
| 184 | |
| 185 | - | |
| 186 | #include <dt-bindings/soc/qcom,gpr.h> |
| 187 | gpr { |
| 188 | compatible = "qcom,gpr"; |
| 189 | qcom,domain = <GPR_DOMAIN_ID_ADSP>; |
| 190 | qcom,glink-channels = "adsp_apps"; |
| 191 | qcom,intents = <512 20>; |
| 192 | #address-cells = <1>; |
| 193 | #size-cells = <0>; |
| 194 | |
| 195 | service@1 { |
| 196 | compatible = "qcom,q6apm"; |
| 197 | reg = <GPR_APM_MODULE_IID>; |
| 198 | #sound-dai-cells = <0>; |
| 199 | qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; |
| 200 | |
| 201 | dais { |
| 202 | compatible = "qcom,q6apm-dais"; |
| 203 | iommus = <&apps_smmu 0x1801 0x0>; |
| 204 | }; |
| 205 | |
| 206 | bedais { |
| 207 | compatible = "qcom,q6apm-lpass-dais"; |
| 208 | #sound-dai-cells = <1>; |
| 209 | }; |
| 210 | }; |
| 211 | }; |