[PATCH v3 7/8] arm64: dts: qcom: shikra-iqs-evk: Enable sound card support

From: Mohammad Rafi Shaik

Date: Thu Sep 17 2026 - 00:42:34 EST


Enable the IQS EVK audio card using MAX98091 on I2S0 for primary
playback/capture and VA DMIC capture through q6apm backend links.

Add board clock and pinctrl states required for codec IRQ, external
mclk and digital mic routing.

Co-developed-by: Ajay Kumar Nandam <ajay.nandam@xxxxxxxxxxxxxxxx>
Signed-off-by: Ajay Kumar Nandam <ajay.nandam@xxxxxxxxxxxxxxxx>
Signed-off-by: Mohammad Rafi Shaik <mohammad.rafi.shaik@xxxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts | 144 ++++++++++++++++++++++++++++
1 file changed, 144 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts b/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts
index 543d769125ef..54c840a748c8 100644
--- a/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts
+++ b/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts
@@ -21,6 +21,105 @@ aliases {
chosen {
stdout-path = "serial0:115200n8";
};
+
+ sound {
+ compatible = "qcom,shikra-iqs-sndcard";
+ model = "shikra-iqs-evk";
+
+ pinctrl-0 = <&i2s0_default>, <&ext_mclk2_active>;
+ pinctrl-names = "default";
+
+ audio-routing = "IN34", "Headset Mic",
+ "Headset Mic", "MICBIAS",
+ "DMICL", "Int Mic",
+ "Int Mic", "MICBIAS",
+ "Headphone", "HPL",
+ "Headphone", "HPR",
+ "Speaker", "SPKL",
+ "Speaker", "SPKR",
+ "VA DMIC0", "vdd-micb",
+ "VA DMIC1", "vdd-micb",
+ "VA DMIC2", "vdd-micb",
+ "VA DMIC3", "vdd-micb";
+
+ pri-i2s-playback-dai-link {
+ link-name = "Analog Playback";
+
+ codec {
+ sound-dai = <&max98091>;
+ };
+
+ cpu {
+ sound-dai = <&q6apmbedai PRIMARY_MI2S_RX>;
+ };
+
+ platform {
+ sound-dai = <&q6apm>;
+ };
+ };
+
+ pri-i2s-capture-dai-link {
+ link-name = "Analog Capture";
+
+ codec {
+ sound-dai = <&max98091>;
+ };
+
+ cpu {
+ sound-dai = <&q6apmbedai PRIMARY_MI2S_TX>;
+ };
+
+ platform {
+ sound-dai = <&q6apm>;
+ };
+ };
+
+ va-dmic-dai-link {
+ link-name = "VA DMIC Capture";
+
+ codec {
+ sound-dai = <&vamacro 0>;
+ };
+
+ cpu {
+ sound-dai = <&q6apmbedai VA_CODEC_DMA_TX_0>;
+ };
+
+ platform {
+ sound-dai = <&q6apm>;
+ };
+ };
+ };
+};
+
+&i2c3 {
+ status = "okay";
+
+ max98091: audio-codec@10 {
+ compatible = "maxim,max98091";
+ reg = <0x10>;
+
+ pinctrl-0 = <&max98091_default>;
+ pinctrl-names = "default";
+
+ interrupts-extended = <&tlmm 28 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&q6prmcc LPASS_CLK_ID_MCLK_2 LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
+ clock-names = "mclk";
+ assigned-clocks = <&q6prmcc LPASS_CLK_ID_MCLK_2 LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
+ assigned-clock-rates = <12288000>;
+ #sound-dai-cells = <0>;
+ };
+};
+
+&q6apmbedai {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ dai@16 {
+ reg = <PRIMARY_MI2S_RX>;
+ clocks = <&q6prmcc LPASS_CLK_ID_QAIF_IF0_IBIT LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
+ clock-names = "bclk";
+ };
};

&remoteproc_cdsp {
@@ -80,3 +179,48 @@ &usb_2_hsphy {

status = "okay";
};
+
+&tlmm {
+ dmic_eldo_en_default: dmic-eldo-default-active-state {
+ pins = "gpio71";
+ function = "gpio";
+ drive-strength = <8>;
+ bias-disable;
+ output-high;
+ };
+
+ ext_mclk2_active: ext-mclk2-state {
+ pins = "gpio110";
+ function = "ext_mclk";
+ drive-strength = <8>;
+ bias-disable;
+ };
+
+ i2s0_default: i2s0-default-active-state {
+ pins = "gpio105", "gpio106", "gpio107", "gpio108", "gpio109";
+ function = "i2s0";
+ drive-strength = <8>;
+ bias-disable;
+ };
+
+ max98091_default: max98091-default-state {
+ pins = "gpio28";
+ function = "gpio";
+ bias-pull-up;
+ };
+};
+
+&vamacro {
+ clocks = <&q6prmcc LPASS_CLK_ID_TX_CORE_MCLK LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
+ <&q6prmcc LPASS_CLK_ID_TX_CORE_NPL_MCLK LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
+ clock-names = "mclk",
+ "npl";
+
+ pinctrl-0 = <&dmic01_default>, <&dmic23_default>, <&dmic_eldo_en_default>;
+ pinctrl-names = "default";
+
+ qcom,dmic-sample-rate = <4800000>;
+
+ status = "okay";
+};
+

--
2.34.1