Re: [PATCH v2 6/6] arm64: dts: qcom: qcs6490-rubikpi3: Add audio support

[Konrad Dybcio]

On 7/15/26 4:02 PM, Hongyang Zhao wrote:
> RubikPi 3 uses the AudioReach firmware path for its external audio
> interfaces. The primary MI2S interface connects to an ES8316 codec for
> headset playback and capture, while the quaternary MI2S interface feeds
> the LT9611 HDMI bridge.

[...]

> +	vreg_es8316_3v3: regulator-es8316-3v3 {
> +		compatible = "regulator-fixed";
> +
> +		regulator-name = "vreg_es8316_3v3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +
> +		gpio = <&tlmm 117 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +
> +		pinctrl-0 = <&es8316_power_on>;
> +		pinctrl-names = "default";
> +
> +		regulator-always-on;
> +		regulator-boot-on;

Does it need to be always-on? Is it really on at boot time?

[...]

> +	mi2s-playback-dai-link {

mi2s-'c'apture < mi2s-'p'layback

Konrad