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|
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: "http://devicetree.org/schemas/sound/qcom,q6dsp-lpass-ports.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Qualcomm DSP LPASS(Low Power Audio SubSystem) Audio Ports
maintainers:
- Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
description: |
This binding describes the Qualcomm DSP LPASS Audio ports
properties:
compatible:
enum:
- qcom,q6afe-dais
'#sound-dai-cells':
const: 1
'#address-cells':
const: 1
'#size-cells':
const: 0
#Digital Audio Interfaces
patternProperties:
'^dai@[0-9]+$':
type: object
description:
Q6DSP Digital Audio Interfaces.
properties:
reg:
description:
Digital Audio Interface ID
qcom,sd-lines:
$ref: /schemas/types.yaml#/definitions/uint32-array
description:
List of serial data lines used by this dai.should be one or more of the 0-3 sd lines.
minItems: 1
maxItems: 4
uniqueItems: true
items:
minimum: 0
maximum: 3
qcom,tdm-sync-mode:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1, 2]
description:
TDM Synchronization mode
0 = Short sync bit mode
1 = Long sync mode
2 = Short sync slot mode
qcom,tdm-sync-src:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1]
description:
TDM Synchronization source
0 = External source
1 = Internal source
qcom,tdm-data-out:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1]
description:
TDM Data out signal to drive with other masters
0 = Disable
1 = Enable
qcom,tdm-invert-sync:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1]
description:
TDM Invert the sync
0 = Normal
1 = Invert
qcom,tdm-data-delay:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1, 2]
description:
TDM Number of bit clock to delay data
0 = 0 bit clock cycle
1 = 1 bit clock cycle
2 = 2 bit clock cycle
qcom,tdm-data-align:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1]
description:
Indicate how data is packed within the slot. For example, 32 slot
width in case of sample bit width is 24TDM Invert the sync.
0 = MSB
1 = LSB
required:
- reg
allOf:
- if:
properties:
reg:
contains:
# TDM DAI ID range from PRIMARY_TDM_RX_0 - QUINARY_TDM_TX_7
items:
minimum: 24
maximum: 103
then:
required:
- qcom,tdm-sync-mode
- qcom,tdm-sync-src
- qcom,tdm-data-out
- qcom,tdm-invert-sync
- qcom,tdm-data-delay
- qcom,tdm-data-align
- if:
properties:
reg:
contains:
# MI2S DAI ID range PRIMARY_MI2S_RX - QUATERNARY_MI2S_TX and
# QUINARY_MI2S_RX - QUINARY_MI2S_TX
items:
oneOf:
- minimum: 16
maximum: 23
- minimum: 127
maximum: 128
then:
required:
- qcom,sd-lines
additionalProperties: false
required:
- compatible
- "#sound-dai-cells"
- "#address-cells"
- "#size-cells"
additionalProperties: false
examples:
- |
#include <dt-bindings/sound/qcom,q6dsp-lpass-ports.h>
dais {
compatible = "qcom,q6afe-dais";
#address-cells = <1>;
#size-cells = <0>;
#sound-dai-cells = <1>;
dai@22 {
reg = <QUATERNARY_MI2S_RX>;
qcom,sd-lines = <0 1 2 3>;
};
};
|
