Defined in 4 files as a label:
- arch/arm/boot/dts/exynos5420.dtsi, line 1309 (as a label)
- arch/arm/boot/dts/omap5-gpu-thermal.dtsi, line 14 (as a label)
- arch/arm/boot/dts/rk3288.dtsi, line 498 (as a label)
- arch/arm64/boot/dts/rockchip/rk3399.dtsi, line 650 (as a label)