linux-kernel - [PATCH 0/2] Add basic APR sound support for SC7280 SoC

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Date: Fri, 10 May 2024 14:27:07 +0200
From: Luca Weiss <luca.weiss@...rphone.com>
To: cros-qcom-dts-watchers@...omium.org, 
 Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>, 
 Mohammad Rafi Shaik <quic_mohs@...cinc.com>
Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Luca Weiss <luca.weiss@...rphone.com>
Subject: [PATCH 0/2] Add basic APR sound support for SC7280 SoC

Validated on Fairphone 5 (QCM6490) smartphone by using DisplayPort over
USB-C audio, connected to a TV, with a basic UCM to enable
'DISPLAY_PORT_RX Audio Mixer MultiMedia1':
https://gitlab.com/postmarketOS/pmaports/-/tree/master/device/testing/device-fairphone-fp5/ucm

Unfortunately all the device-specific things can't be enabled yet
upstream as detailed in the second patch, but the SoC parts should be
good to go.

As an extra note, I'm not sure how this will behave on SC7280 devices
that seem to use GPR (q6apm + q6prm) / "audioreach" as added in this
series from mid 2023 which was never applied:
https://lore.kernel.org/linux-arm-msm/20230616103534.4031331-1-quic_mohs@quicinc.com/

Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
Luca Weiss (2):
      arm64: dts: qcom: sc7280: Add APR nodes for sound
      [DNM] arm64: dts: qcom: qcm6490-fairphone-fp5: Add DisplayPort sound support

 arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts | 36 +++++++++++
 arch/arm64/boot/dts/qcom/sc7280.dtsi               | 73 ++++++++++++++++++++++
 2 files changed, 109 insertions(+)
---
base-commit: 940d65ef852b4a58c9115eb82b07844c999b8356
change-id: 20240510-sc7280-apr-c6d10ac2c331

Best regards,
-- 
Luca Weiss <luca.weiss@...rphone.com>