ORIN RGMII can not work(phy 88e1512)

Robotics & Edge Computing Jetson & Embedded Systems Jetson AGX Orin
7

I referred to this document, $ should be 5.

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I also referred to the pdf document.
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I also referred to these posts.
RGMII Enabling Problem - Jetson & Embedded Systems / Jetson AGX Orin - NVIDIA Developer Forums
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Jetson ORIN: RGMII can’t send data - Jetson & Embedded Systems / Jetson AGX Orin - NVIDIA Developer Forums
In contrast, I found no errors.
Is there an error with my dts file? Can you confirm this for me? Thanks!