linux-kernel - [PATCH 0/3] Enable audio support for J721S2-EVM

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Message-ID: <20250604104656.38752-1-j-choudhary@ti.com>
Date: Wed, 4 Jun 2025 16:16:53 +0530
From: Jayesh Choudhary <j-choudhary@...com>
To: <nm@...com>, <vigneshr@...com>, <devicetree@...r.kernel.org>
CC: <kristo@...nel.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
        <conor+dt@...nel.org>, <r-donadkar@...com>,
        <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <j-choudhary@...com>
Subject: [PATCH 0/3] Enable audio support for J721S2-EVM

These 3 patches add the support to enable audio on J721S2-EVM.

This required the i2c-mux support[0] which is now in linux tree.

Now, this series ***depends upon only one dts change[1]*** to ensure there
are no dtbs_check warnings (no functional issues):
"ti,j721e-system-controller.yaml" refers to "ti,am654-ehrpwm-tbclk.yaml"
for clock-controller nodes, but for audio we need "ti,am62-audio-refclk".
When scm_conf is "simple-bus", there are no such warnings.

Test log: https://gist.github.com/Jayesh2000/840c19ef8f9b7f0f75dedd015ccbf98a

[0]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0fc829dbde9bf1f349631c677a85e08782037ecf
[1]: https://lore.kernel.org/all/20250603095609.33569-4-j-choudhary@ti.com/


Jayesh Choudhary (3):
  arm64: dts: ti: k3-j721s2-main: Add McASP nodes
  arm64: dts: ti: k3-j721s2-main: Add audio_refclk node
  arm64: dts: ti: k3-j721s2-common-proc-board: Enable analog audio
    support

 .../dts/ti/k3-j721s2-common-proc-board.dts    | 131 ++++++++++++++++++
 arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi    |  99 +++++++++++++
 2 files changed, 230 insertions(+)

-- 
2.34.1