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PROCESSOR-SDK-AM335X: Device tree modification

Part Number: PROCESSOR-SDK-AM335X


We are working on Am335x-ICEv2 Development kit, we have compiled the yocto following this document http://software-dl.ti.com/processor-sdk-linux/esd/docs/06_01_00_08/linux/index.html

Now we want to update the device tree to support PPS-gpio Linux driver, but we are unable to do so.

we are changing the .dts files located in in "/home/masibus/yocto/am335x-evm/tisdk/build/arago-tmp-external-arm-toolchain/work/am335x_evm-linux-gnueabi/linux-ti-staging/4.19.59+gitAUTOINC+5f8c1c6121-r22a.arago5.tisdk1.5/git/arch/arm/boot/dts"

Resuls in same old dtb. if we put an error intentionally in .dts file even then  yocto compiles just fine we are using "bitbake virtual/kernel -c compile " & "bitbake virtual/kernel -c deploy" to compile the whole kernel.

please suggest where(in what directory) we need to change the dts files, and how should we compile them.