[PATCH v2 4/5] arm64: dts: arduino-imola: add support for sound
From: Srinivas Kandagatla <hidden>
Date: 2026-02-23 13:40:10
Also in:
linux-arm-msm, lkml
Subsystem:
arm/qualcomm mailing list, arm/qualcomm support, the rest · Maintainers:
Bjorn Andersson, Konrad Dybcio, Linus Torvalds
Add support for sound on Arduino UNO Q board, which includes - Headset playback and record. - Lineout Signed-off-by: Srinivas Kandagatla <redacted> --- .../boot/dts/qcom/qrb2210-arduino-imola.dts | 138 ++++++++++++++++++ 1 file changed, 138 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts b/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts
index 197ab6eb1666..53745684ead4 100644
--- a/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts
+++ b/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts@@ -109,6 +109,101 @@ multi-led { leds = <&ledr>, <&ledg>, <&ledb>; }; + sound { + compatible = "qcom,qrb2210-sndcard"; + model = "Arduino-Imola-HPH-LOUT"; + audio-routing = "IN1_HPHL", "HPHL_OUT", + "IN2_HPHR", "HPHR_OUT", + "AMIC2", "MIC BIAS2"; + + mm1-dai-link { + link-name = "MultiMedia1"; + + cpu { + sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA1>; + }; + }; + + mm2-dai-link { + link-name = "MultiMedia2"; + + cpu { + sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA2>; + }; + }; + + mm3-dai-link { + link-name = "MultiMedia3"; + + cpu { + sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA3>; + }; + }; + + hph-playback-dai-link { + link-name = "Headphones Playback"; + + cpu { + sound-dai = <&q6afedai RX_CODEC_DMA_RX_0>; + }; + + platform { + sound-dai = <&q6routing>; + }; + + codec { + sound-dai = <&pmic4125_codec 0>, <&swr1 0>, <&rxmacro 0>; + }; + }; + + lo-playback-dai-link { + link-name = "LineOut Playback"; + + cpu { + sound-dai = <&q6afedai RX_CODEC_DMA_RX_0>; + }; + + platform { + sound-dai = <&q6routing>; + }; + + codec { + sound-dai = <&pmic4125_codec 0>, <&swr1 0>, <&rxmacro 0>; + }; + }; + + ear-playback-dai-link { + link-name = "EarOut Playback"; + + cpu { + sound-dai = <&q6afedai RX_CODEC_DMA_RX_0>; + }; + + platform { + sound-dai = <&q6routing>; + }; + + codec { + sound-dai = <&pmic4125_codec 0>, <&swr1 0>, <&rxmacro 0>; + }; + }; + + hph-capture-dai-link { + link-name = "Headphones Capture"; + cpu { + sound-dai = <&q6afedai TX_CODEC_DMA_TX_3>; + }; + + platform { + sound-dai = <&q6routing>; + }; + + codec { + sound-dai = <&pmic4125_codec 1>, <&swr0 0>, <&txmacro 0>; + }; + }; + }; + /* PM4125 charger out, supplied by VBAT */ vph_pwr: regulator-vph-pwr { compatible = "regulator-fixed";
@@ -333,6 +428,49 @@ spidev@0 { }; }; +&spmi_bus { + pmic@0 { + pmic4125_codec: 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>; + }; + }; +}; + +&swr0 { + pinctrl-0 = <&lpass_tx_swr_active>; + pinctrl-names = "default"; + + pm4125_tx: codec@0,3 { + compatible = "sdw20217010c00"; + reg = <0 3>; + qcom,tx-port-mapping = <1 1 2 3>; + }; +}; + +&swr1 { + pinctrl-0 = <&lpass_rx_swr_active>; + pinctrl-names = "default"; + + pm4125_rx: codec@0,4 { + compatible = "sdw20217010c00"; + reg = <0 4>; + qcom,rx-port-mapping = <1 2 3 4 5>; + }; +}; + &tlmm { spidev_cs: spidev-cs-state { pins = "gpio17";
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2.47.3