Re: [PATCH v1 1/4] arm64: dts: qcom: Enable secondary mi2s

Dmitry Baryshkov
2026-04-14T14:56:56Z

On Mon, Apr 13, 2026 at 02:19:34AM -0700, Kumar Anurag wrote:
> Enable secondary mi2s to support HDMI audio.

Please also correct subject line to mention kodiak.

>
> Signed-off-by: Kumar Anurag <kumar.singh@oss.qualcomm.com>
> ---
> arch/arm64/boot/dts/qcom/kodiak.dtsi | 5 +++
> arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 43 ++++++++++++++++++++
> 2 files changed, 48 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/kodiak.dtsi b/arch/arm64/boot/dts/qcom/kodiak.dtsi
> index 6079e67ea829..d1009debc12b 100644
> --- a/arch/arm64/boot/dts/qcom/kodiak.dtsi
> +++ b/arch/arm64/boot/dts/qcom/kodiak.dtsi
> @@ -5827,6 +5827,11 @@ mi2s1_ws: mi2s1-ws-state {
> function = "mi2s1_ws";
> };
>
> + mi2s1_mclk: mi2s1-mclk-state {
> + pins = "gpio105";
> + function = "sec_mi2s";
> + };
> +
> pcie0_clkreq_n: pcie0-clkreq-n-state {
> pins = "gpio88";
> function = "pcie0_clkreqn";
> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> index e3d2f01881ae..2e4062052828 100644
> --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> @@ -672,6 +672,7 @@ &i2c0 {
> lt9611_codec: hdmi-bridge@2b {
> compatible = "lontium,lt9611uxc";
> reg = <0x2b>;
> + #sound-dai-cells = <1>;

Separate patch.

>
> interrupts-extended = <&tlmm 24 IRQ_TYPE_EDGE_FALLING>;
> reset-gpios = <&pm7250b_gpios 2 GPIO_ACTIVE_HIGH>;
> @@ -1110,6 +1111,9 @@ &sound {
> compatible = "qcom,qcs6490-rb3gen2-sndcard";
> model = "QCS6490-RB3Gen2";
>
> + pinctrl-0 = <&mi2s1_data0>, <&mi2s1_mclk>, <&mi2s1_sclk>, <&mi2s1_ws>;
> + pinctrl-names = "default";
> +
> audio-routing = "SpkrLeft IN", "WSA_SPK1 OUT",
> "SpkrRight IN", "WSA_SPK2 OUT",
> "VA DMIC0", "vdd-micb",
> @@ -1149,6 +1153,22 @@ platform {
> sound-dai = <&q6apm>;
> };
> };
> +
> + mi2s1-playback-dai-link {

Keep the entries sorted. mi2s1 < va

> + link-name = "Secondary MI2S Playback";
> +
> + codec {
> + sound-dai = <&lt9611_codec 0>;
> + };
> +
> + cpu {
> + sound-dai = <&q6apmbedai SECONDARY_MI2S_RX>;
> + };
> +
> + platform {
> + sound-dai = <&q6apm>;
> + };
> + };
> };
>
> &swr2 {
> @@ -1437,3 +1457,26 @@ &lpass_audiocc {
> compatible = "qcom,qcm6490-lpassaudiocc";
> /delete-property/ power-domains;
> };
> +
> +&mi2s1_data0 {
> + drive-strength = <8>;
> + bias-disable;
> +};
> +
> +&mi2s1_mclk {
> + drive-strength = <8>;
> + bias-disable;
> + output-high;
> +};
> +
> +&mi2s1_sclk {
> + drive-strength = <8>;
> + bias-disable;
> + output-high;
> +};
> +
> +&mi2s1_ws {
> + drive-strength = <8>;
> + bias-disable;
> + output-high;
> +};
> --
> 2.34.1
>

--
With best wishes
Dmitry