Claude review: ARM: tegra: document Tegra20 HDMI port

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Overall Series Review

Subject: ARM: tegra: document Tegra20 HDMI port
Author: Svyatoslav Ryhel <clamor95@gmail.com>
Patches: 3
Reviewed: 2026-02-24T10:34:48.093002

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This is a straightforward two-patch device tree series that adds OF graph port support to the Tegra HDMI binding and converts the ASUS TF600T DTS to use an explicit `hdmi-connector` node instead of inline HPD/DDC properties. The approach is standard for modeling HDMI outputs through the connector framework, moving the hotplug detect GPIO and DDC I2C bus from the HDMI encoder node to a separate connector node connected via OF graph endpoints.

The binding change in patch 1 uses `anyOf` to preserve backward compatibility -- existing DTS files with `nvidia,hpd-gpio` and `nvidia,ddc-i2c-bus` remain valid, while new DTS files can use the `port` property instead. The DTS change in patch 2 correctly uses the `hdmi-connector` binding with type `"d"` (micro HDMI) and valid properties.

There are a couple of minor observations but no significant correctness issues in the series.

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