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    Subject[PATCH v7 4/8] Documentation: bindings: add dt documentation for dfi controller
    Date
    This patch adds the documentation for rockchip dfi devfreq-event driver.

    Signed-off-by: Lin Huang <hl@rock-chips.com>
    ---
    Changes in v7:
    -None

    Changes in v6:
    -None

    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";
    + };
    +
    --
    2.6.6
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