This patch adds the documentation for rockchip dfi devfreq-event driver.
Signed-off-by: Lin Huang hl@rock-chips.com --- Changes in v5: -None
Changes in v4: -None
Changes in v3: -None
Changes in v2: -None
Changes in v1: -None
.../bindings/devfreq/event/rockchip-dfi.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt
diff --git a/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt b/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt new file mode 100644 index 0000000..bf42255 --- /dev/null +++ b/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt @@ -0,0 +1,20 @@ + +* 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"; + }; +