linux-kernel - [PATCH v3 0/3] qrb2210-rb1: HDMI/I2S audio playback support

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Message-Id: <20251022-rb1_hdmi_audio-v3-0-0d38f777a547@linaro.org>
Date: Wed, 22 Oct 2025 07:06:40 +0100
From: Alexey Klimov <alexey.klimov@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>, 
 Srinivas Kandagatla <srini@...nel.org>
Cc: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>, 
 linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-sound@...r.kernel.org, 
 Alexey Klimov <alexey.klimov@...aro.org>, 
 Konrad Dybcio <konrad.dybcio@....qualcomm.com>, 
 Dmitry Baryshkov <lumag@...nel.org>
Subject: [PATCH v3 0/3] qrb2210-rb1: HDMI/I2S audio playback support

This series adds a feature to playback/output audio via HDMI
on the Qualcomm RB1 board. Since RB1 and RB2 are very similar
to each and other and most likely use the same mainboard therefore
this series is pretty much a rework of the similar patchset for RB2.

Signed-off-by: Alexey Klimov <alexey.klimov@...aro.org>
---
Changes in v3:
- corrected compatible for sound node for rb1;
- sound node model name contains "Speaker" instead of "Speakers" now
  to indicate that output is single channel (mono);
- resorted pins by gpio indexes (as asked by Konrad), back to the initial
  version;
- dropped output-high from lpass pins description;
- dropped patch ("dt-bindings: pinctrl: qcom,sm6115-lpass-lpi: add QCM2290 compatible")
  applied by Linus;
- Link to v2: https://lore.kernel.org/r/20251007-rb1_hdmi_audio-v2-0-821b6a705e4c@linaro.org

Changes in v2:
- added tags;
- patch that adds sndcard compatble is moved into separate series
and also one new patch is added there;
here: https://lore.kernel.org/linux-sound/20251007-qrb2210-qcm2290-sndcard-v1-0-8222141bca79@linaro.org/
- resorted cpu,codec,platform subnodes of HDMI DAI link
(as asked by Konrad);
- apr => APR in "arm64: dts: qcom: qcm2290: add apr and its services"
(as suggested by Dmitry);
- resorted pins in LPASS TLMM node (as asked by Konrad);

Previous version:
https://lore.kernel.org/linux-sound/20250302-rb1_hdmi_sound_first-v1-0-81a87ae1503c@linaro.org/

---
Alexey Klimov (3):
      arm64: dts: qcom: qcm2290: add APR and its services
      arm64: dts: qcom: qcm2290: add LPASS LPI pin controller
      arm64: dts: qcom: qrb2210-rb1: add HDMI/I2S audio playback support

 arch/arm64/boot/dts/qcom/qcm2290.dtsi    | 110 +++++++++++++++++++++++++++++++
 arch/arm64/boot/dts/qcom/qrb2210-rb1.dts |  55 ++++++++++++++++
 2 files changed, 165 insertions(+)
---
base-commit: fe45352cd106ae41b5ad3f0066c2e54dbb2dfd70
change-id: 20251007-rb1_hdmi_audio-1ab3cd93fc9e
prerequisite-change-id: 20251007-qrb2210-qcm2290-sndcard-da54245aae3f:v2
prerequisite-patch-id: 56bfb709f3b52ca03a04df1090f3413764985be8
prerequisite-patch-id: 986319766f2f9e41cc702af7f6ebbb764f5117da

Best regards,
-- 
Alexey Klimov <alexey.klimov@...aro.org>