qcom,pm4125-codec.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/sound/qcom,pm4125-codec.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Qualcomm PM4125 Audio Codec
  8
  9maintainers:
 10  - Alexey Klimov <alexey.klimov@linaro.org>
 11
 12description:
 13  The audio codec IC found on Qualcomm PM4125/PM2250 PMIC.
 14  It has RX and TX Soundwire slave devices.
 15
 16allOf:
 17  - $ref: dai-common.yaml#
 18
 19properties:
 20  compatible:
 21    const: qcom,pm4125-codec
 22
 23  reg:
 24    description:
 25      Specifies the SPMI base address for the audio codec peripherals. The
 26      address space contains reset register needed to power-on the codec.
 27    maxItems: 1
 28
 29  reg-names:
 30    maxItems: 1
 31
 32  vdd-io-supply:
 33    description: A reference to the 1.8V I/O supply
 34
 35  vdd-cp-supply:
 36    description: A reference to the charge pump I/O supply
 37
 38  vdd-mic-bias-supply:
 39    description: A reference to the 3.3V mic bias supply
 40
 41  vdd-pa-vpos-supply:
 42    description: A reference to the PA VPOS supply
 43
 44  qcom,tx-device:
 45    $ref: /schemas/types.yaml#/definitions/phandle-array
 46    description: A reference to Soundwire tx device phandle
 47
 48  qcom,rx-device:
 49    $ref: /schemas/types.yaml#/definitions/phandle-array
 50    description: A reference to Soundwire rx device phandle
 51
 52  qcom,micbias1-microvolt:
 53    description: micbias1 voltage
 54    minimum: 1800000
 55    maximum: 2850000
 56
 57  qcom,micbias2-microvolt:
 58    description: micbias2 voltage
 59    minimum: 1800000
 60    maximum: 2850000
 61
 62  qcom,micbias3-microvolt:
 63    description: micbias3 voltage
 64    minimum: 1800000
 65    maximum: 2850000
 66
 67  qcom,mbhc-buttons-vthreshold-microvolt:
 68    description:
 69      Array of 8 Voltage threshold values corresponding to headset
 70      button0 - button7
 71    minItems: 8
 72    maxItems: 8
 73
 74  '#sound-dai-cells':
 75    const: 1
 76
 77required:
 78  - compatible
 79  - reg
 80  - vdd-io-supply
 81  - vdd-cp-supply
 82  - vdd-mic-bias-supply
 83  - vdd-pa-vpos-supply
 84  - qcom,tx-device
 85  - qcom,rx-device
 86  - qcom,micbias1-microvolt
 87  - qcom,micbias2-microvolt
 88  - qcom,micbias3-microvolt
 89  - '#sound-dai-cells'
 90
 91unevaluatedProperties: false
 92
 93examples:
 94  - |
 95    #include <dt-bindings/spmi/spmi.h>
 96
 97    spmi {
 98        #address-cells = <2>;
 99        #size-cells = <0>;
100
101        pmic {
102            #address-cells = <1>;
103            #size-cells = <0>;
104
105            audio-codec@f000 {
106                compatible = "qcom,pm4125-codec";
107                reg = <0xf000>;
108                vdd-io-supply = <&pm4125_l15>;
109                vdd-cp-supply = <&pm4125_s4>;
110                vdd-pa-vpos-supply = <&pm4125_s4>;
111                vdd-mic-bias-supply = <&pm4125_l22>;
112                qcom,micbias1-microvolt = <1800000>;
113                qcom,micbias2-microvolt = <1800000>;
114                qcom,micbias3-microvolt = <1800000>;
115                qcom,rx-device = <&pm4125_rx>;
116                qcom,tx-device = <&pm4125_tx>;
117                #sound-dai-cells = <1>;
118            };
119        };
120    };
121
122    /* ... */
123
124    soundwire@a610000 {
125        reg = <0x0a610000 0x2000>;
126        #address-cells = <2>;
127        #size-cells = <0>;
128        pm4125_rx: audio-codec@0,4 {
129            compatible = "sdw20217010c00";
130            reg = <0 4>;
131            qcom,rx-port-mapping = <1 3>;
132        };
133    };
134...