zmk/app/boards/zhiayang/mikoto/board.yml

board:
  name: mikoto
  vendor: zhiayang
  revision:
    format: major.minor.patch
    default: 5.20.0
    exact: false
    revisions:
      - name: 5.20.0
      - name: 6.1.0
      - name: 6.3.0
      - name: 7.2.0
  socs:
    - name: nrf52840