xref: /openbmc/linux/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt (revision 664b0bae0b87f69bc9deb098f5e0158b9cf18e04)
1d3d81969SLin Huang
2d3d81969SLin Huang* Rockchip rk3399 DFI device
3d3d81969SLin Huang
4d3d81969SLin HuangRequired properties:
5d3d81969SLin Huang- compatible: Must be "rockchip,rk3399-dfi".
6d3d81969SLin Huang- reg: physical base address of each DFI and length of memory mapped region
7d3d81969SLin Huang- rockchip,pmu: phandle to the syscon managing the "pmu general register files"
8d3d81969SLin Huang- clocks: phandles for clock specified in "clock-names" property
9d3d81969SLin Huang- clock-names : the name of clock used by the DFI, must be "pclk_ddr_mon";
10d3d81969SLin Huang
11d3d81969SLin HuangExample:
12*4c9847b7SMathieu Malaterre	dfi: dfi@ff630000 {
13d3d81969SLin Huang		compatible = "rockchip,rk3399-dfi";
14d3d81969SLin Huang		reg = <0x00 0xff630000 0x00 0x4000>;
15d3d81969SLin Huang		rockchip,pmu = <&pmugrf>;
16d3d81969SLin Huang		clocks = <&cru PCLK_DDR_MON>;
17d3d81969SLin Huang		clock-names = "pclk_ddr_mon";
18d3d81969SLin Huang	};
19