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</o:shapelayout></xml><![endif]--></head><body lang=KO link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hello all,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Below is a part of arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi in linux kernel. This file is included by arch/arm64/boot/dts/arm/fvp-base-revc.dts. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>/ {<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> smb@8000000 {<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> motherboard {<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> arm,v2m-memory-map = "rs1";<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> compatible = "arm,vexpress,v2m-p1", "simple-bus";<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> #address-cells = <2>; /* SMB chipselect number and offset */<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> #size-cells = <1>;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> #interrupt-cells = <1>;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> ranges;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US> flash@0,00000000 {<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> compatible = "arm,vexpress-flash", "cfi-flash";<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> reg = <0 0x00000000 0x04000000>,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <4 0x00000000 0x04000000>;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> bank-width = <4>;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> };<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US> ethernet@2,02000000 {<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> compatible = "smsc,lan91c111";<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> reg = <2 0x02000000 0x10000>;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> interrupts = <15>;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> };<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>When I compile the fvp-base-revc.dts file <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>(following this method to handle pre-processing : https://stackoverflow.com/questions/50658326/device-tree-compiler-not-recognizes-c-syntax-for-include-files), it gives me error below.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi:20.21-25.6: Warning (simple_bus_reg): /smb@8000000/motherboard/flash@0,00000000: simple-bus unit address format error, expected "0"<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi:27.24-31.6: Warning (simple_bus_reg): /smb@8000000/motherboard/ethernet@2,02000000: simple-bus unit address format error, expected "202000000"<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>The dtc is complaining about the address format `flash@0,00000000` or `ethernet@2,02000000`. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>But because the #address-cells = <2>, the node address should be given by chip select number and the offset (inside the chip select). <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>How can I prevent this error? DTC version is 1.5.0.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Any help will be appreciated.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Thank you!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Chan Kim<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>