From: Lin Huang Date: Mon, 5 Sep 2016 05:06:07 +0000 (+0800) Subject: Documentation: bindings: add dt documentation for dfi controller X-Git-Tag: v4.9-rc1~171^2^2~3^2~3 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d3d81969e38023265dfe5de18ea6a4d898dc6375;p=karo-tx-linux.git Documentation: bindings: add dt documentation for dfi controller This patch adds the documentation for rockchip dfi devfreq-event driver. Signed-off-by: Lin Huang Acked-by: Chanwoo Choi Signed-off-by: MyungJoo Ham --- 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 000000000000..f2233138eba9 --- /dev/null +++ b/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt @@ -0,0 +1,19 @@ + +* 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 { + compatible = "rockchip,rk3399-dfi"; + reg = <0x00 0xff630000 0x00 0x4000>; + rockchip,pmu = <&pmugrf>; + clocks = <&cru PCLK_DDR_MON>; + clock-names = "pclk_ddr_mon"; + status = "disabled"; + };