linux-kernel - [PATCH v2 0/3] Enable audio for J784S4-EVM platform

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Date: Wed, 26 Jun 2024 15:46:42 +0530
From: Jayesh Choudhary <j-choudhary@...com>
To: <linux-kernel@...r.kernel.org>, <nm@...com>, <vigneshr@...com>,
        <j-luthra@...com>, <j-choudhary@...com>
CC: <kristo@...nel.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
        <conor+dt@...nel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <u-kumar1@...com>
Subject: [PATCH v2 0/3] Enable audio for J784S4-EVM platform

Hello All,

These three patches enable audio on J784S4-EVM platform.
- First patch adds the McASP nodes.
- Second patch adds the audio_refclk1 node that is required
  to configure the CTRL_MMR register for the external clock
- Third patch enables the analog audio

For audio to work, the ti-dm firmware that should be picked
for uboot is now publically available and will be shortly
merged to the ti-linux-firmware branch:
<https://git.ti.com/cgit/processor-firmware/ti-linux-firmware/tree/ti-dm/j784s4/ipc_echo_testb_mcu1_0_release_strip.xer5f?h=ti-linux-firmware-next>

For testing, ~/.asoundrc file was created in root partition
which can be seen in the test logs:
<https://gist.github.com/Jayesh2000/3ca38cbac2f37842b1010af79dfe9b4c>

Changelog v1->v2:
- Rebase on tag next-20240624
- Add padding in mcasp reg property
- Add assigned-clock and assigned-clock-parents property for mcasp
  for more accurate description
- Change mcasp pinmux node name similar to other nodes
- Fix typo in k3_clk node and remove unnecessary comments for refclk1

v1 patch:
<https://lore.kernel.org/all/20240619095253.290552-1-j-choudhary@ti.com/>

Jayesh Choudhary (3):
  arm64: dts: ti: k3-j784s4-main: Add McASP nodes
  arm64: dts: ti: k3-j784s4-main: Add audio_refclk node
  arm64: dts: ti: k3-j784s4-evm: Enable analog audio support

 arch/arm64/boot/dts/ti/k3-j784s4-evm.dts   | 111 +++++++++++++++++++++
 arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi |  99 ++++++++++++++++++
 2 files changed, 210 insertions(+)

-- 
2.25.1