# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) %YAML 1.2 --- $id: "http://devicetree.org/schemas/soc/qcom/qcom,apr.yaml#" $schema: "http://devicetree.org/meta-schemas/core.yaml#" title: Qualcomm APR/GPR (Asynchronous/Generic Packet Router) binding maintainers: - Srinivas Kandagatla description: | This binding describes the Qualcomm APR/GPR, APR/GPR is a IPC protocol for communication between Application processor and QDSP. APR/GPR is mainly used for audio/voice services on the QDSP. properties: compatible: enum: - qcom,apr-v2 - qcom,gpr power-domains: maxItems: 1 qcom,apr-domain: $ref: /schemas/types.yaml#/definitions/uint32 enum: [1, 2, 3, 4, 5, 6, 7] description: Selects the processor domain for apr 1 = APR simulator 2 = PC Domain 3 = Modem Domain 4 = ADSP Domain 5 = Application processor Domain 6 = Modem2 Domain 7 = Application Processor2 Domain deprecated: true qcom,domain: $ref: /schemas/types.yaml#/definitions/uint32 minimum: 1 maximum: 7 description: Selects the processor domain for apr 1 = APR simulator 2 = PC Domain 3 = Modem Domain 4 = ADSP Domain 5 = Application processor Domain 6 = Modem2 Domain 7 = Application Processor2 Domain Selects the processor domain for gpr 1 = Modem Domain 2 = Audio DSP Domain 3 = Application Processor Domain qcom,glink-channels: $ref: /schemas/types.yaml#/definitions/string-array description: Channel name used for the communication items: - const: apr_audio_svc qcom,intents: $ref: /schemas/types.yaml#/definitions/uint32-array description: List of (size, amount) pairs describing what intents should be preallocated for this virtual channel. This can be used to tweak the default intents available for the channel to meet expectations of the remote. qcom,smd-channels: $ref: /schemas/types.yaml#/definitions/string-array description: Channel name used for the communication items: - const: apr_audio_svc '#address-cells': const: 1 '#size-cells': const: 0 #APR/GPR Services patternProperties: "^service@[1-9a-d]$": type: object description: APR/GPR node's client devices use subnodes for desired static port services. properties: compatible: enum: - qcom,q6core - qcom,q6asm - qcom,q6afe - qcom,q6adm - qcom,q6apm - qcom,q6prm reg: minimum: 1 maximum: 13 description: APR Service ID 3 = DSP Core Service 4 = Audio Front End Service. 5 = Voice Stream Manager Service. 6 = Voice processing manager. 7 = Audio Stream Manager Service. 8 = Audio Device Manager Service. 9 = Multimode voice manager. 10 = Core voice stream. 11 = Core voice processor. 12 = Ultrasound stream manager. 13 = Listen stream manager. GPR Service ID 1 = Audio Process Manager Service 2 = Proxy Resource Manager Service. 3 = AMDB Service. 4 = Voice processing manager. clock-controller: $ref: /schemas/sound/qcom,q6dsp-lpass-clocks.yaml# description: Qualcomm DSP LPASS clock controller unevaluatedProperties: false dais: type: object oneOf: - $ref: /schemas/sound/qcom,q6apm-dai.yaml# - $ref: /schemas/sound/qcom,q6dsp-lpass-ports.yaml# - $ref: /schemas/sound/qcom,q6asm-dais.yaml# unevaluatedProperties: false description: Qualcomm DSP audio ports routing: type: object $ref: /schemas/sound/qcom,q6adm-routing.yaml# unevaluatedProperties: false description: Qualcomm DSP LPASS audio routing qcom,protection-domain: $ref: /schemas/types.yaml#/definitions/string-array description: protection domain service name and path for apr service possible values are "avs/audio", "msm/adsp/audio_pd". "kernel/elf_loader", "msm/modem/wlan_pd". "tms/servreg", "msm/adsp/audio_pd". "tms/servreg", "msm/modem/wlan_pd". "tms/servreg", "msm/slpi/sensor_pd". allOf: - if: properties: compatible: enum: - qcom,q6afe then: properties: dais: properties: compatible: const: qcom,q6afe-dais - if: properties: compatible: enum: - qcom,q6apm then: properties: dais: properties: compatible: enum: - qcom,q6apm-dais - qcom,q6apm-lpass-dais - if: properties: compatible: enum: - qcom,q6asm then: properties: dais: properties: compatible: const: qcom,q6asm-dais additionalProperties: false required: - compatible - qcom,domain allOf: - if: properties: compatible: enum: - qcom,gpr then: properties: power-domains: false - if: required: - qcom,glink-channels then: properties: qcom,smd-channels: false - if: required: - qcom,smd-channels then: properties: qcom,glink-channels: false additionalProperties: false examples: - | #include apr { compatible = "qcom,apr-v2"; qcom,domain = ; #address-cells = <1>; #size-cells = <0>; q6core: service@3 { compatible = "qcom,q6core"; reg = ; qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; }; q6afe: service@4 { compatible = "qcom,q6afe"; reg = ; qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; }; q6asm: service@7 { compatible = "qcom,q6asm"; reg = ; qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; }; q6adm: service@8 { compatible = "qcom,q6adm"; reg = ; qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; }; }; - | #include gpr { compatible = "qcom,gpr"; qcom,domain = ; #address-cells = <1>; #size-cells = <0>; service@1 { compatible = "qcom,q6apm"; reg = ; qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; }; };