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Mon, 15 Sep 2025 09:27:52 -0700 (PDT) From: Alexey Klimov Date: Mon, 15 Sep 2025 17:27:48 +0100 Subject: [PATCH v4 1/4] dt-bindings: sound: add bindings for pm4125 audio codec Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250915-pm4125_audio_codec_v1-v4-1-b247b64eec52@linaro.org> References: <20250915-pm4125_audio_codec_v1-v4-0-b247b64eec52@linaro.org> In-Reply-To: <20250915-pm4125_audio_codec_v1-v4-0-b247b64eec52@linaro.org> To: Srinivas Kandagatla , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Stephen Boyd Cc: Lee Jones , Jaroslav Kysela , Takashi Iwai , linux-arm-msm@vger.kernel.org, linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Dmitry Baryshkov , Srinivas Kandagatla , christophe.jaillet@wanadoo.fr, Alexey Klimov X-Mailer: b4 0.14.2 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 --- .../bindings/sound/qcom,pm4125-codec.yaml | 134 +++++++++++++++++= ++++ .../devicetree/bindings/sound/qcom,pm4125-sdw.yaml | 79 ++++++++++++ 2 files changed, 213 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/qcom,pm4125-codec.yaml= b/Documentation/devicetree/bindings/sound/qcom,pm4125-codec.yaml new file mode 100644 index 0000000000000000000000000000000000000000..6e2f103be1d32479ebe3420e06d= 1ebedaf3bc379 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,pm4125-codec.yaml @@ -0,0 +1,134 @@ +# 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 + +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 + + spmi { + #address-cells =3D <2>; + #size-cells =3D <0>; + + pmic { + #address-cells =3D <1>; + #size-cells =3D <0>; + + audio-codec@f000 { + compatible =3D "qcom,pm4125-codec"; + reg =3D <0xf000>; + vdd-io-supply =3D <&pm4125_l15>; + vdd-cp-supply =3D <&pm4125_s4>; + vdd-pa-vpos-supply =3D <&pm4125_s4>; + vdd-mic-bias-supply =3D <&pm4125_l22>; + qcom,micbias1-microvolt =3D <1800000>; + qcom,micbias2-microvolt =3D <1800000>; + qcom,micbias3-microvolt =3D <1800000>; + qcom,rx-device =3D <&pm4125_rx>; + qcom,tx-device =3D <&pm4125_tx>; + #sound-dai-cells =3D <1>; + }; + }; + }; + + /* ... */ + + soundwire@a610000 { + reg =3D <0x0a610000 0x2000>; + #address-cells =3D <2>; + #size-cells =3D <0>; + pm4125_rx: audio-codec@0,4 { + compatible =3D "sdw20217010c00"; + reg =3D <0 4>; + qcom,rx-port-mapping =3D <1 3>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/sound/qcom,pm4125-sdw.yaml b= /Documentation/devicetree/bindings/sound/qcom,pm4125-sdw.yaml new file mode 100644 index 0000000000000000000000000000000000000000..23624f32ac305838da7b472ef25= 995197d42f2b6 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,pm4125-sdw.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/qcom,pm4125-sdw.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm SoundWire Slave devices on PM4125/PM2250 PMIC audio codec. + +maintainers: + - Alexey Klimov + +description: + The audio codec IC found on Qualcomm PM4125/PM2250 PMICs. + It has RX and TX Soundwire slave devices. + +properties: + compatible: + const: sdw20217010c00 + + 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_por= t, + dmic03_mbhc_port, dmic46_port. + Supports maximum 2 tx soundwire ports. + + PM4125 TX Port 1 (ADC1,2 & DMIC0 & MBHC) <=3D> SWR0 Port 1 + PM4125 TX Port 2 (ADC1 & DMIC0,1,2 & MBHC) <=3D> SWR0 Port 2 + + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 2 + maxItems: 2 + 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 2 rx soundwire ports. + + PM4125 RX Port 1 (HPH_L/R) <=3D=3D> SWR1 Port 1 (HPH_L/R) + PM4125 RX Port 2 (COMP_L/R) <=3D=3D> SWR1 Port 3 (COMP_L/R) + + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 2 + maxItems: 2 + items: + enum: [1, 2, 3, 4, 5] + +required: + - compatible + - reg + +oneOf: + - required: + - qcom,tx-port-mapping + - required: + - qcom,rx-port-mapping + +additionalProperties: false + +examples: + - | + soundwire@a610000 { + reg =3D <0x0a610000 0x2000>; + #address-cells =3D <2>; + #size-cells =3D <0>; + pm4125_rx: codec@0,1 { + compatible =3D "sdw20217010c00"; + reg =3D <0 1>; + qcom,rx-port-mapping =3D <1 3>; + }; + }; +... --=20 2.47.3