mirror of https://github.com/torvalds/linux.git
ASoC: dt-bindings: add bindings for pm4125 audio codec
The audio codec IC is found on Qualcomm PM4125/PM2250 PMIC. It has TX and RX soundwire slave devices hence two files are added. Signed-off-by: Alexey Klimov <alexey.klimov@linaro.org> Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com> Tested-by: Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com> Link: https://patch.msgid.link/20250915-pm4125_audio_codec_v1-v4-1-b247b64eec52@linaro.org Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Alexey Klimov
Mark Brown
parent
b9cb410d48
commit
88d0d17192
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/qcom,pm4125-codec.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm PM4125 Audio Codec
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maintainers:
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- Alexey Klimov <alexey.klimov@linaro.org>
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description:
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The audio codec IC found on Qualcomm PM4125/PM2250 PMIC.
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It has RX and TX Soundwire slave devices.
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allOf:
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- $ref: dai-common.yaml#
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properties:
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compatible:
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const: qcom,pm4125-codec
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reg:
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description:
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Specifies the SPMI base address for the audio codec peripherals. The
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address space contains reset register needed to power-on the codec.
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maxItems: 1
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reg-names:
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maxItems: 1
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vdd-io-supply:
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description: A reference to the 1.8V I/O supply
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vdd-cp-supply:
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description: A reference to the charge pump I/O supply
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vdd-mic-bias-supply:
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description: A reference to the 3.3V mic bias supply
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vdd-pa-vpos-supply:
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description: A reference to the PA VPOS supply
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qcom,tx-device:
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$ref: /schemas/types.yaml#/definitions/phandle-array
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description: A reference to Soundwire tx device phandle
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qcom,rx-device:
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$ref: /schemas/types.yaml#/definitions/phandle-array
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description: A reference to Soundwire rx device phandle
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qcom,micbias1-microvolt:
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description: micbias1 voltage
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minimum: 1800000
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maximum: 2850000
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qcom,micbias2-microvolt:
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description: micbias2 voltage
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minimum: 1800000
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maximum: 2850000
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qcom,micbias3-microvolt:
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description: micbias3 voltage
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minimum: 1800000
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maximum: 2850000
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qcom,mbhc-buttons-vthreshold-microvolt:
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description:
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Array of 8 Voltage threshold values corresponding to headset
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button0 - button7
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minItems: 8
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maxItems: 8
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'#sound-dai-cells':
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const: 1
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required:
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- compatible
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- reg
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- vdd-io-supply
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- vdd-cp-supply
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- vdd-mic-bias-supply
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- vdd-pa-vpos-supply
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- qcom,tx-device
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- qcom,rx-device
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- qcom,micbias1-microvolt
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- qcom,micbias2-microvolt
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- qcom,micbias3-microvolt
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- '#sound-dai-cells'
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/spmi/spmi.h>
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spmi {
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#address-cells = <2>;
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#size-cells = <0>;
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pmic {
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#address-cells = <1>;
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#size-cells = <0>;
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audio-codec@f000 {
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compatible = "qcom,pm4125-codec";
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reg = <0xf000>;
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vdd-io-supply = <&pm4125_l15>;
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vdd-cp-supply = <&pm4125_s4>;
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vdd-pa-vpos-supply = <&pm4125_s4>;
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vdd-mic-bias-supply = <&pm4125_l22>;
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qcom,micbias1-microvolt = <1800000>;
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qcom,micbias2-microvolt = <1800000>;
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qcom,micbias3-microvolt = <1800000>;
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qcom,rx-device = <&pm4125_rx>;
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qcom,tx-device = <&pm4125_tx>;
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#sound-dai-cells = <1>;
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};
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};
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};
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/* ... */
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soundwire@a610000 {
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reg = <0x0a610000 0x2000>;
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#address-cells = <2>;
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#size-cells = <0>;
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pm4125_rx: audio-codec@0,4 {
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compatible = "sdw20217010c00";
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reg = <0 4>;
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qcom,rx-port-mapping = <1 3>;
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};
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};
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...
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@ -0,0 +1,79 @@
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/qcom,pm4125-sdw.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm SoundWire Slave devices on PM4125/PM2250 PMIC audio codec.
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maintainers:
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- Alexey Klimov <alexey.klimov@linaro.org>
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description:
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The audio codec IC found on Qualcomm PM4125/PM2250 PMICs.
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It has RX and TX Soundwire slave devices.
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properties:
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compatible:
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const: sdw20217010c00
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reg:
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maxItems: 1
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qcom,tx-port-mapping:
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description: |
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Specifies static port mapping between device and host tx ports.
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In the order of the device port index which are adc1_port, adc23_port,
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dmic03_mbhc_port, dmic46_port.
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Supports maximum 2 tx soundwire ports.
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PM4125 TX Port 1 (ADC1,2 & DMIC0 & MBHC) <=> SWR0 Port 1
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PM4125 TX Port 2 (ADC1 & DMIC0,1,2 & MBHC) <=> SWR0 Port 2
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$ref: /schemas/types.yaml#/definitions/uint32-array
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minItems: 2
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maxItems: 2
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items:
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enum: [1, 2, 3, 4]
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qcom,rx-port-mapping:
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description: |
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Specifies static port mapping between device and host rx ports.
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In the order of device port index which are hph_port, clsh_port,
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comp_port, lo_port, dsd port.
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Supports maximum 2 rx soundwire ports.
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PM4125 RX Port 1 (HPH_L/R) <==> SWR1 Port 1 (HPH_L/R)
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PM4125 RX Port 2 (COMP_L/R) <==> SWR1 Port 3 (COMP_L/R)
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$ref: /schemas/types.yaml#/definitions/uint32-array
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minItems: 2
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maxItems: 2
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items:
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enum: [1, 2, 3, 4, 5]
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required:
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- compatible
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- reg
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oneOf:
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- required:
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- qcom,tx-port-mapping
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- required:
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- qcom,rx-port-mapping
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additionalProperties: false
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examples:
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- |
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soundwire@a610000 {
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reg = <0x0a610000 0x2000>;
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#address-cells = <2>;
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#size-cells = <0>;
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pm4125_rx: codec@0,1 {
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compatible = "sdw20217010c00";
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reg = <0 1>;
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qcom,rx-port-mapping = <1 3>;
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};
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};
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...
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