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    Subject[PATCH v4 3/5] dt-bindings: mfd: Add bindings for the keys as subnode of PMIC
    Date
    This patch adds documentation for device tree bindings for keys support
    as the subnode of MT6397/MT6323 PMIC.

    Acked-by: Rob Herring <robh@kernel.org>
    Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
    Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
    ---
    Documentation/devicetree/bindings/mfd/mt6397.txt | 6 ++++++
    1 file changed, 6 insertions(+)

    diff --git a/Documentation/devicetree/bindings/mfd/mt6397.txt b/Documentation/devicetree/bindings/mfd/mt6397.txt
    index 522a3bb..d1df77f 100644
    --- a/Documentation/devicetree/bindings/mfd/mt6397.txt
    +++ b/Documentation/devicetree/bindings/mfd/mt6397.txt
    @@ -7,6 +7,7 @@ MT6397/MT6323 is a multifunction device with the following sub modules:
    - GPIO
    - Clock
    - LED
    +- Keys

    It is interfaced to host controller using SPI interface by a proprietary hardware
    called PMIC wrapper or pwrap. MT6397/MT6323 MFD is a child device of pwrap.
    @@ -40,6 +41,11 @@ Optional subnodes:
    - compatible: "mediatek,mt6323-led"
    see Documentation/devicetree/bindings/leds/leds-mt6323.txt

    +- keys
    + Required properties:
    + - compatible: "mediatek,mt6397-keys" or "mediatek,mt6323-keys"
    + see Documentation/devicetree/bindings/input/mtk-pmic-keys.txt
    +
    Example:
    pwrap: pwrap@1000f000 {
    compatible = "mediatek,mt8135-pwrap";
    --
    1.7.9.5
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