From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Shawn Guo <shengchao.guo@oss.qualcomm.com>,
Bjorn Andersson <andersson@kernel.org>
Cc: Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Bartosz Golaszewski <brgl@kernel.org>,
Mohammad Rafi Shaik <mohammad.rafi.shaik@oss.qualcomm.com>,
devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] arm64: dts: qcom: nord-rrd: Add sound support
Date: Mon, 14 Sep 2026 11:01:36 +0200 [thread overview]
Message-ID: <d2d2feff-4823-43dc-9014-099e69195280@oss.qualcomm.com> (raw)
In-Reply-To: <20260914024003.120931-3-shengchao.guo@oss.qualcomm.com>
On 9/14/26 4:40 AM, Shawn Guo wrote:
> From: Mohammad Rafi Shaik <mohammad.rafi.shaik@oss.qualcomm.com>
>
> Enable audio on the nord RRD board. Add a soundcard node using the
> qcom,nord-ride-sndcard compatible with two DAI links:
>
> - PCM1681 playback over Tertiary MI2S RX
> - ADAU1979 capture over Tertiary MI2S TX
>
> Add MI2S pin mux states (data, SCLK, WS on GPIO 73-76) and the MCLK0
> pin state (GPIO 99) to nord-embedded.dtsi so they can be shared with
> other nord board variants.
>
> Add PCM1681/ADAU1979 codec nodes on I2C18, with the PCM1681 system
> clock supplied via MCLK0. The DAC control lines come off a TCA6408 I/O
> expander on the same bus, so add that too and hog its dac_enable and
> click-pop-mute-n outputs, both of which have to be asserted before the
> DAC produces sound.
Sounds like something a driver should ensure?
Konrad
next prev parent reply other threads:[~2026-09-14 9:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-14 2:40 [PATCH 0/3] arm64: dts: qcom: Add audio support for Nord platform Shawn Guo
2026-09-14 2:40 ` [PATCH 1/3] arm64: dts: qcom: nord: Add gpr node Shawn Guo
2026-09-14 9:00 ` Konrad Dybcio
2026-09-16 6:53 ` Shawn Guo
2026-09-14 2:40 ` [PATCH 2/3] arm64: dts: qcom: nord-rrd: Add sound support Shawn Guo
2026-09-14 9:01 ` Konrad Dybcio [this message]
2026-09-16 9:09 ` Shawn Guo
2026-09-14 2:40 ` [PATCH 3/3] arm64: dts: qcom: nord-ride-embedded: " Shawn Guo
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