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|
# 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 <srinivas.kandagatla@linaro.org>
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
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:
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 1
maximum: 7
description:
Selects the processor domain for apr
1 = APR simulator
2 = PC Domain
3 = Modem Domain
4 = ADSP Domain
5 = Application processor Domain
6 = Modem2 Domain
7 = Application Processor2 Domain
Selects the processor domain for gpr
1 = Modem Domain
2 = Audio DSP Domain
3 = Application Processor Domain
'#address-cells':
const: 1
'#size-cells':
const: 0
#APR/GPR Services
patternProperties:
"^service@[1-9a-d]$":
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.
qcom,protection-domain:
$ref: /schemas/types.yaml#/definitions/string-array
description: protection domain service name and path for apr service
possible values are
"avs/audio", "msm/adsp/audio_pd".
"kernel/elf_loader", "msm/modem/wlan_pd".
"tms/servreg", "msm/adsp/audio_pd".
"tms/servreg", "msm/modem/wlan_pd".
"tms/servreg", "msm/slpi/sensor_pd".
'#address-cells':
const: 1
'#size-cells':
const: 0
patternProperties:
"^.*@[0-9a-f]+$":
type: object
description:
Service based devices like clock controllers or digital audio interfaces.
additionalProperties: false
required:
- compatible
- qcom,domain
additionalProperties: false
examples:
- |
#include <dt-bindings/soc/qcom,apr.h>
apr {
compatible = "qcom,apr-v2";
qcom,domain = <APR_DOMAIN_ADSP>;
#address-cells = <1>;
#size-cells = <0>;
q6core: service@3 {
compatible = "qcom,q6core";
reg = <APR_SVC_ADSP_CORE>;
qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd";
};
q6afe: service@4 {
compatible = "qcom,q6afe";
reg = <APR_SVC_AFE>;
qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd";
};
q6asm: service@7 {
compatible = "qcom,q6asm";
reg = <APR_SVC_ASM>;
qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd";
};
q6adm: service@8 {
compatible = "qcom,q6adm";
reg = <APR_SVC_ADM>;
qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd";
};
};
- |
#include <dt-bindings/soc/qcom,gpr.h>
gpr {
compatible = "qcom,gpr";
qcom,domain = <GPR_DOMAIN_ID_ADSP>;
#address-cells = <1>;
#size-cells = <0>;
service@1 {
compatible = "qcom,q6apm";
reg = <GPR_APM_MODULE_IID>;
qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd";
};
};
|
