https://community.nxp.com/t5/i-MX-Processors/imx8qxp-pcie-internal-Clock/m-p/1356736#M181654 <P>Hi Yang</P> <P>&nbsp;</P> <P>one can try ext_osc = &lt;0&gt;; in&nbsp;&amp;pcieb{..&nbsp; imx8x-mek.dtsi</P> <P><A href="https://source.codeaurora.org/external/imx/linux-imx/tree/arch/arm64/boot/dts/freescale/imx8x-mek.dtsi?h=lf-5.10.y" target="_blank">https://source.codeaurora.org/external/imx/linux-imx/tree/arch/arm64/boot/dts/freescale/imx8x-mek.dtsi?h=lf-5.10.y</A></P> <P>&nbsp;</P> <P>Best regards<BR />igor</P> Sun, 17 Oct 2021 11:36:08 GMT igorpadykov 2021-10-17T11:36:08Z https://community.nxp.com/t5/i-MX-Processors/imx8qxp-pcie-internal-Clock/m-p/1356723#M181648 <P><STRONG>To consider BOM cost, i will use internal clock, PCIE module will generate clock on</STRONG><STRONG>PCIE_REFCLK100M_P/PCIE_REFCLK100M_N \</STRONG><STRONG>PCIE_REFCLK100M_P/PCIE_REFCLK100M_N to&nbsp;t<SPAN>he bluetooth module.How do I modify which register?</SPAN></STRONG></P><P>&nbsp;</P><P>&nbsp;</P> Sun, 17 Oct 2021 02:56:39 GMT https://community.nxp.com/t5/i-MX-Processors/imx8qxp-pcie-internal-Clock/m-p/1356723#M181648 yangxu 2021-10-17T02:56:39Z https://community.nxp.com/t5/i-MX-Processors/imx8qxp-pcie-internal-Clock/m-p/1356736#M181654 <P>Hi Yang</P> <P>&nbsp;</P> <P>one can try ext_osc = &lt;0&gt;; in&nbsp;&amp;pcieb{..&nbsp; imx8x-mek.dtsi</P> <P><A href="https://source.codeaurora.org/external/imx/linux-imx/tree/arch/arm64/boot/dts/freescale/imx8x-mek.dtsi?h=lf-5.10.y" target="_blank">https://source.codeaurora.org/external/imx/linux-imx/tree/arch/arm64/boot/dts/freescale/imx8x-mek.dtsi?h=lf-5.10.y</A></P> <P>&nbsp;</P> <P>Best regards<BR />igor</P> Sun, 17 Oct 2021 11:36:08 GMT https://community.nxp.com/t5/i-MX-Processors/imx8qxp-pcie-internal-Clock/m-p/1356736#M181654 igorpadykov 2021-10-17T11:36:08Z