[PATCH] arm64: dts: imx8mp: Switch PCIe to HSIO PLL on i.MX8MP DHCOM PDK2 and generate clock from SoC

[Shawn Guo]

On Tue, Aug 22, 2023 at 02:50:07AM +0200, Marek Vasut wrote:
> The PDK2 carrier board had to be manually patched to obtain working PCIe
> with the i.MX8MP DHCOM SoM so far, because the PCIe clock generator has
> not been connected to the PCIe block REF_PAD_CLK inputs.
> 
> Switch to use of HSIO PLL as the clock source for the PCIe block instead,
> and use the REF_PAD_CLK as outputs to generate PCIe clock from the SoC.
> This way, it is not necessary to patch the PDK2 in any way to obtain a
> working PCIe.
> 
> Note that PDK3 has PCIe clock generator always connected to REF_PAD_CLK
> and is not affected.
> 
> Signed-off-by: Marek Vasut <marex at denx.de>

Applied, thanks!