这不是设备树语法问题,您只需使用c预处理器cpp预处理.dts文件,就可以获得设备树编译器可以按原样消化的文件。
在特定情况下,假设当前目录是内核根目录,则必须使用以下两个命令:
cpp -nostdinc -I include -I arch -undef -x assembler-with-cpp arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts meson-gxl-s905x-khadas-vim.dts.preprocessed
dtc -I dts -O dtb -p 0x1000 meson-gxl-s905x-khadas-vim.dts.preprocessed -o kvim1.dtb
kvim1.dtb: Warning (unit_address_vs_reg): Node /scpi/clocks/scpi_clocks@0 has a unit name, but no reg property
kvim1.dtb: Warning (unit_address_vs_reg): Node /soc/bus@c8100000/pinctrl@14 has a unit name, but no reg property
kvim1.dtb: Warning (unit_address_vs_reg): Node /soc/periphs@c8834000/rng has a reg or ranges property, but no unit name
kvim1.dtb: Warning (unit_address_vs_reg): Node /soc/periphs@c8834000/pinctrl@4b0 has a unit name, but no reg property
kvim1.dtb: Warning (unit_address_vs_reg): Node /soc/periphs@c8834000/eth-phy-mux has a reg or ranges property, but no unit name
kvim1.dtb: Warning (unit_address_vs_reg): Node /gpio-keys-polled/button@0 has a unit name, but no reg property
kvim1.dtb: Warning (simple_bus_reg): Node /soc/bus@c8100000/pinctrl@14 missing or empty reg/ranges property
kvim1.dtb: Warning (simple_bus_reg): Node /soc/periphs@c8834000/rng simple-bus unit address format error, expected "0"
kvim1.dtb: Warning (simple_bus_reg): Node /soc/periphs@c8834000/pinctrl@4b0 missing or empty reg/ranges property
kvim1.dtb: Warning (simple_bus_reg): Node /soc/periphs@c8834000/eth-phy-mux simple-bus unit address format error, expected "55c"
正在验证是否生成了kvim1.dtb:
ls -ail kvim1.tdb
4359446 -rw-rw-r-- 1 user user 27568 Jun 2 12:05 kvim1.dtb
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