Re: [PATCH v4 2/3] dt-binding: pci-imx6: Add external reference clock mode support

[Bjorn Helgaas]

On Thu, Jun 26, 2025 at 03:38:03PM +0800, Richard Zhu wrote:
> On i.MX, the PCIe reference clock might come from either internal
> system PLL or external clock source.
> Add the external reference clock source for reference clock.

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