Defined in 4 files as a label:
- arch/arm/boot/dts/rk3288.dtsi, line 1911 (as a label)
- arch/arm64/boot/dts/rockchip/px30.dtsi, line 1260 (as a label)
- arch/arm64/boot/dts/rockchip/rk3368.dtsi, line 1212 (as a label)
- arch/arm64/boot/dts/rockchip/rk3399.dtsi, line 2553 (as a label)