Defined in 4 files as a label:
- arch/arm/boot/dts/imx28-duckbill-2-485.dts, line 68 (as a label)
- arch/arm/boot/dts/imx28-duckbill-2-enocean.dts, line 69 (as a label)
- arch/arm/boot/dts/imx28-duckbill-2-spi.dts, line 81 (as a label)
- arch/arm/boot/dts/imx28-duckbill-2.dts, line 68 (as a label)