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Overview
Series of documentation updates and additions for the AM62DX platform, focusing on peripheral support and DSP offload capabilities.

Commits:
Audio Documentation Update (24b9bda)
Added multichannel playback and recording instructions for AM62D EVM
Enhanced audio documentation for AM62Dx

2D FFT DSP Offload Demo (fba9510)
New documentation for 2D FFT offload demo
Covers offloading test data from Linux user space to C7x DSP
Demonstrates DSP acceleration capabilities

Documentation Syntax Fix (89b3f9b)
Fixed RST section syntax in DSP Offload user guide
Maintenance/quality improvement

Comprehensive Documentation Addition (fbca593)
Added documentation for multiple peripherals:
QSPI
EQEP (Enhanced Quadrature Encoder Pulse)
MCAN (Controller Area Network)
PWM (Pulse Width Modulation)
SPI
Power Management (PM)
Security features

Add QSPI, EQEP, MCAN, PWM, SPI, PM, Security docs for AM62D.

Signed-off-by: Paresh Bhagat <[email protected]>
Fix section syntax for AM62D DSP Offload user guide.

Signed-off-by: Paresh Bhagat <[email protected]>
Comment on lines 3 to 4
AM62D 2D FFT DSP Offload from Linux - User Guide
################################################
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Please follow the section hierarchy described here: https://www.sphinx-doc.org/en/master/usage/restructuredtext/basics.html#sections

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Hi @StaticRocket Seems to be correct. What needs to be changed here?

and the volume is 'adequate' but in case the volume is not correct:
.. ifconfig:: CONFIG_part_variant not in ('AM62DX')

.. _hdmi_audio:
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This seems to be an unused label. It should probably be removed. It also doesn't help that it's under an ifconfig section. See https://github.com/TexasInstruments/processor-sdk-doc/blob/master/CONTRIBUTING.md#behavior for more information.

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Thanks. It seems the section belongs to AM62L but going outside of conditional block. I will fix it.

.. _hdmi_audio:
The hardware defaults are correct for audio playback, the routing is OK
and the volume is 'adequate' but in case the volume is not correct:
.. ifconfig:: CONFIG_part_variant not in ('AM62DX')
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This section's indentation is incorrect

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Please follow the section hierarchy described here: https://www.sphinx-doc.org/en/master/usage/restructuredtext/basics.html#sections

@StaticRocket
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There are also too many vale issues. The plugin is failing to report them all currently. I'd recommend running it locally or checking the log directly. Most of them seem to be in regard to passive voice in the new document.

Add doc for 2D FFT offload demo. This demo offloads test data for 2D FFT
processing from Linux user space to C7x.

Signed-off-by: Paresh Bhagat <[email protected]>
Move generic amixer commands for PCM volume control, microphone recording
setup, and HDMI audio switching to proper AM62LX-specific section instead
of being outside the conditional block.

Fixes: 1d0c4fe (feat(linux): Update docs for AM62L Audio)

Signed-off-by: Paresh Bhagat <[email protected]>
Add complete audio documentation for AM62DX including:
- TAD52512 DAC and PCM6240 ADC codec support
- McASP2 interface configuration with specific pin assignments
- Multi-channel playback and recording capabilities
- Kernel configuration paths for both codecs
- Profile selection for PCM6240 I2C address switching
- Example commands for playback, recording, and full-duplex operation
- Hardware connector mapping (J1/J2 for recording, J3/J4 for playback)

Remove outdated limitation note about static DAC configuration.

Signed-off-by: Paresh Bhagat <[email protected]>
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6 participants