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rockchip64-6.14: Enabled HDMI1 video and audio on NanoPC T6/LTS #7933

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rockchip64-6.14: Enabled HDMI1 video and audio on NanoPC T6/LTS #7933

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Description

This PR enables HDMI1 and the corresponding audio support on the NanoPC T6/LTS board by updating the device tree file located at arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi. The changes include:

  • Adding the hdmi1-con node with its endpoint to manage the HDMI1 connector.
  • Configuring and enabling audio nodes for HDMI1, alongside the HDMI0 sound configuration.

Activating the necessary nodes for HDMI and audio signal transmission, which includes:

  • Enabling nodes: hdmi1, hdmi1_in, hdmi1_out, and hdmi1_sound.
  • Activating the hdptxphy1 node for the HDMI transmitter.
  • Enabling endpoints i2s5_8ch and i2s6_8ch to support multi-channel audio.
  • Integrating a new video endpoint vp1_out_hdmi1 through the vp1 node, ensuring proper routing of the video signal for HDMI1.

How Has This Been Tested?

  • Verified the display output on HDMI1.
  • Checked the audio output on HDMI0/1.

Checklist:

  • My code follows the style guidelines of this project
  • I have performed a self-review of my own code
  • My changes generate no new warnings

@github-actions github-actions bot added size/medium PR with more then 50 and less then 250 lines Needs review Seeking for review Hardware Hardware related like kernel, U-Boot, ... Patches Patches related to kernel, U-Boot, ... labels Mar 10, 2025
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