Defined in 3 files as a label:
- arch/arm64/boot/dts/rockchip/rk3399-khadas-edge.dtsi, line 394 (as a label)
- arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi, line 330 (as a label)
- arch/arm64/boot/dts/rockchip/rk3399-orangepi.dts, line 328 (as a label)