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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>;
+ };
+ };