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Diffstat (limited to 'Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml')
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diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml b/Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml new file mode 100644 index 000000000000..c8543f969ebb --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml @@ -0,0 +1,127 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/qcom,wcd937x-sdw.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm SoundWire Slave devices on WCD9370/WCD9375 + +maintainers: + - Srinivas Kandagatla <srinivas.kandagatla@linaro.org> + +description: | + Qualcomm WCD9370/WCD9375 Codec is a standalone Hi-Fi audio codec IC. + It has RX and TX Soundwire slave devices. This bindings is for the + slave devices. + +properties: + compatible: + const: sdw20217010a00 + + reg: + maxItems: 1 + + qcom,tx-port-mapping: + description: | + Specifies static port mapping between device and host tx ports. + In the order of the device port index which are adc1_port, adc23_port, + dmic03_mbhc_port, dmic46_port. + Supports maximum 4 tx soundwire ports. + + WCD9370 TX Port 1 (ADC1) <=> SWR2 Port 2 + WCD9370 TX Port 2 (ADC2, 3) <=> SWR2 Port 2 + WCD9370 TX Port 3 (DMIC0,1,2,3 & MBHC) <=> SWR2 Port 3 + WCD9370 TX Port 4 (DMIC4,5,6,7) <=> SWR2 Port 4 + + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 4 + maxItems: 4 + items: + enum: [1, 2, 3, 4] + + qcom,rx-port-mapping: + description: | + Specifies static port mapping between device and host rx ports. + In the order of device port index which are hph_port, clsh_port, + comp_port, lo_port, dsd port. + Supports maximum 5 rx soundwire ports. + + WCD9370 RX Port 1 (HPH_L/R) <==> SWR1 Port 1 (HPH_L/R) + WCD9370 RX Port 2 (CLSH) <==> SWR1 Port 2 (CLSH) + WCD9370 RX Port 3 (COMP_L/R) <==> SWR1 Port 3 (COMP_L/R) + WCD9370 RX Port 4 (LO) <==> SWR1 Port 4 (LO) + WCD9370 RX Port 5 (DSD_L/R) <==> SWR1 Port 5 (DSD) + + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 5 + maxItems: 5 + items: + enum: [1, 2, 3, 4, 5] + + qcom,tx-channel-mapping: + description: | + Specifies static channel mapping between slave and master tx port + channels. + In the order of slave port channels which is adc1, adc2, adc3, + dmic0, dmic1, mbhc, dmic2, dmic3, dmci4, dmic5, dmic6, dmic7. + $ref: /schemas/types.yaml#/definitions/uint8-array + minItems: 12 + maxItems: 12 + additionalItems: false + items: + enum: + - 1 # WCD9370_SWRM_CH1 + - 2 # WCD9370_SWRM_CH2 + - 3 # WCD9370_SWRM_CH3 + - 4 # WCD9370_SWRM_CH4 + + qcom,rx-channel-mapping: + description: | + Specifies static channels mapping between slave and master rx port + channels. + In the order of slave port channels, which is + hph_l, hph_r, clsh, comp_l, comp_r, lo, dsd_r, dsd_l. + $ref: /schemas/types.yaml#/definitions/uint8-array + minItems: 8 + maxItems: 8 + additionalItems: false + items: + enum: + - 1 # WCD9370_SWRM_CH1 + - 2 # WCD9370_SWRM_CH2 + - 3 # WCD9370_SWRM_CH3 + - 4 # WCD9370_SWRM_CH4 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + soundwire@3210000 { + reg = <0x03210000 0x2000>; + #address-cells = <2>; + #size-cells = <0>; + wcd937x_rx: codec@0,4 { + compatible = "sdw20217010a00"; + reg = <0 4>; + qcom,rx-port-mapping = <1 2 3 4 5>; + qcom,rx-channel-mapping = /bits/ 8 <1 2 1 1 2 1 1 2>; + }; + }; + + soundwire@3230000 { + reg = <0x03230000 0x2000>; + #address-cells = <2>; + #size-cells = <0>; + wcd937x_tx: codec@0,3 { + compatible = "sdw20217010a00"; + reg = <0 3>; + qcom,tx-port-mapping = <2 2 3 4>; + qcom,tx-channel-mapping = /bits/ 8 <1 2 1 1 2 3 3 4 1 2 3 4>; + }; + }; + +... |