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Diffstat (limited to 'dts/Bindings/sound/qcom,q6dsp-lpass-ports.yaml')
| -rw-r--r-- | dts/Bindings/sound/qcom,q6dsp-lpass-ports.yaml | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/dts/Bindings/sound/qcom,q6dsp-lpass-ports.yaml b/dts/Bindings/sound/qcom,q6dsp-lpass-ports.yaml new file mode 100644 index 0000000000..08c618e7e4 --- /dev/null +++ b/dts/Bindings/sound/qcom,q6dsp-lpass-ports.yaml @@ -0,0 +1,164 @@ +# 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>; + }; + }; |