时钟源默认为24M,但文档SPI0最大可支持60M,DTS 修改不生效，请问如何修改。内核：4.14.98
https://source.codeaurora.org/external/imx/linux-imx/tree/arch/arm64/boot/dts/freescale/fsl-imx8x-me...
Have you try to set it by spi-max-frequency ?
