Defined in 3 files as a label:
- arch/arm64/boot/dts/hisilicon/hikey-pinctrl.dtsi, line 300 (as a label)
- arch/arm64/boot/dts/hisilicon/hikey960-pinctrl.dtsi, line 801 (as a label)
- arch/arm64/boot/dts/hisilicon/hikey970-pinctrl.dtsi, line 292 (as a label)