docs/development/add-new-system.md

260 to start QEMU (`qemu-system-arm` command from [dev-environment.md][32]), giving
281 https://github.com/openbmc/linux/tree/dev-4.13/arch/arm/boot/dts. For examples,
298 - In `dev-4.10`, there is common and machine-specific initialization code in
300   perform specific settings in each machine. Starting in branch `dev-4.13`,
752   DEVPATH=/dev/input/by-path/platform-gpio-keys-event
762   DEVPATH=/dev/input/by-path/platform-gpio-keys-event
776   DEVPATH=/dev/input/by-path/platform-gpio-keys-event
790   DEVPATH=/dev/input/by-path/platform-gpio-keys-event
803   https://github.com/openbmc/linux/blob/dev-4.13/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts
844   https://github.com/openbmc/linux/blob/dev-4.13/include/dt-bindings/gpio/aspeed-gpio.h
853 [30]: https://github.com/openbmc/docs/blob/master/development/dev-environment.md
855 [32]: https://github.com/openbmc/docs/blob/master/development/dev-environment.md