| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/sound/qcom,pm4125-codec.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Qualcomm PM4125 Audio Codec |
| |
| maintainers: |
| - Alexey Klimov <alexey.klimov@linaro.org> |
| |
| description: |
| The audio codec IC found on Qualcomm PM4125/PM2250 PMIC. |
| It has RX and TX Soundwire slave devices. |
| |
| allOf: |
| - $ref: dai-common.yaml# |
| |
| properties: |
| compatible: |
| const: qcom,pm4125-codec |
| |
| reg: |
| description: |
| Specifies the SPMI base address for the audio codec peripherals. The |
| address space contains reset register needed to power-on the codec. |
| maxItems: 1 |
| |
| reg-names: |
| maxItems: 1 |
| |
| vdd-io-supply: |
| description: A reference to the 1.8V I/O supply |
| |
| vdd-cp-supply: |
| description: A reference to the charge pump I/O supply |
| |
| vdd-mic-bias-supply: |
| description: A reference to the 3.3V mic bias supply |
| |
| vdd-pa-vpos-supply: |
| description: A reference to the PA VPOS supply |
| |
| qcom,tx-device: |
| $ref: /schemas/types.yaml#/definitions/phandle-array |
| description: A reference to Soundwire tx device phandle |
| |
| qcom,rx-device: |
| $ref: /schemas/types.yaml#/definitions/phandle-array |
| description: A reference to Soundwire rx device phandle |
| |
| qcom,micbias1-microvolt: |
| description: micbias1 voltage |
| minimum: 1800000 |
| maximum: 2850000 |
| |
| qcom,micbias2-microvolt: |
| description: micbias2 voltage |
| minimum: 1800000 |
| maximum: 2850000 |
| |
| qcom,micbias3-microvolt: |
| description: micbias3 voltage |
| minimum: 1800000 |
| maximum: 2850000 |
| |
| qcom,mbhc-buttons-vthreshold-microvolt: |
| description: |
| Array of 8 Voltage threshold values corresponding to headset |
| button0 - button7 |
| minItems: 8 |
| maxItems: 8 |
| |
| '#sound-dai-cells': |
| const: 1 |
| |
| required: |
| - compatible |
| - reg |
| - vdd-io-supply |
| - vdd-cp-supply |
| - vdd-mic-bias-supply |
| - vdd-pa-vpos-supply |
| - qcom,tx-device |
| - qcom,rx-device |
| - qcom,micbias1-microvolt |
| - qcom,micbias2-microvolt |
| - qcom,micbias3-microvolt |
| - '#sound-dai-cells' |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/spmi/spmi.h> |
| |
| spmi { |
| #address-cells = <2>; |
| #size-cells = <0>; |
| |
| pmic { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| audio-codec@f000 { |
| compatible = "qcom,pm4125-codec"; |
| reg = <0xf000>; |
| vdd-io-supply = <&pm4125_l15>; |
| vdd-cp-supply = <&pm4125_s4>; |
| vdd-pa-vpos-supply = <&pm4125_s4>; |
| vdd-mic-bias-supply = <&pm4125_l22>; |
| qcom,micbias1-microvolt = <1800000>; |
| qcom,micbias2-microvolt = <1800000>; |
| qcom,micbias3-microvolt = <1800000>; |
| qcom,rx-device = <&pm4125_rx>; |
| qcom,tx-device = <&pm4125_tx>; |
| #sound-dai-cells = <1>; |
| }; |
| }; |
| }; |
| |
| /* ... */ |
| |
| soundwire@a610000 { |
| reg = <0x0a610000 0x2000>; |
| #address-cells = <2>; |
| #size-cells = <0>; |
| pm4125_rx: audio-codec@0,4 { |
| compatible = "sdw20217010c00"; |
| reg = <0 4>; |
| qcom,rx-port-mapping = <1 3>; |
| }; |
| }; |
| ... |