Defined in 3 files as a label:
- arch/arm64/boot/dts/hisilicon/hikey-pinctrl.dtsi, line 342 (as a label)
- arch/arm64/boot/dts/hisilicon/hikey960-pinctrl.dtsi, line 748 (as a label)
- arch/arm64/boot/dts/hisilicon/hikey970-pinctrl.dtsi, line 217 (as a label)