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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
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 <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";
};
};
|
