Re: [PATCH RFC v2 5/5] arm64: dts: qcom: nord-rrd: Add sound support

From: Konrad Dybcio

Date: Mon Nov 02 2026 - 08:21:32 EST


On 10/21/26 9:36 AM, Shawn Guo wrote:
> Enable audio on the nord-rrd board. Add a soundcard node using
> the qcom,nord-sndcard compatible.
>
> Add PCM1681/ADAU1979 codec nodes on I2C18, with the PCM1681 system
> clock supplied via MCLK0.
>
> Describe DAC_ENABLE as the enable of two regulator-fixed supplies
> (3.3V and 5V load switches) feeding the PCM1681, and the two MAX9892
> click-and-pop suppressors as one simple-audio-amplifier on
> CLICK_POP_MUTE_N, routed after VOUT1..4, so DAPM controls the mute.
>
> Signed-off-by: Shawn Guo <shengchao.guo@xxxxxxxxxxxxxxxx>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>

Konrad