* Rockchip rk3399 DFI device Required properties: - compatible: Must be "rockchip,rk3399-dfi". - reg: physical base address of each DFI and length of memory mapped region - rockchip,pmu: phandle to the syscon managing the "pmu general register files" - clocks: phandles for clock specified in "clock-names" property - clock-names : the name of clock used by the DFI, must be "pclk_ddr_mon"; Example: dfi: dfi@0xff630000 { reg = <0x00 0xff630000 0x00 0x4000>; compatible = "rockchip,rk3399-dfi"; rockchip,pmu = <&pmugrf>; clocks = <&cru PCLK_DDR_MON>; clock-names = "pclk_ddr_mon"; status = "disabled"; };