Defined in 4 files as a label:
- arch/arm/boot/dts/rk3066a-bqcurie2.dts, line 130 (as a label)
- arch/arm/boot/dts/rk3066a-marsboard.dts, line 116 (as a label)
- arch/arm/boot/dts/rk3066a-rayeager.dts, line 252 (as a label)
- arch/arm/boot/dts/rk3188-radxarock.dts, line 226 (as a label)