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    Subject[PATCH v2 2/2] Input: atmel_mxt_ts: Document optional voltage regulators
    Date
    Document new optional voltage regulators, which can be used
    to power down/up touchscreen.

    Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
    ---
    Documentation/devicetree/bindings/input/atmel,maxtouch.txt | 8 ++++++++
    1 file changed, 8 insertions(+)

    diff --git a/Documentation/devicetree/bindings/input/atmel,maxtouch.txt b/Documentation/devicetree/bindings/input/atmel,maxtouch.txt
    index c88919480d37..17930ecadad3 100644
    --- a/Documentation/devicetree/bindings/input/atmel,maxtouch.txt
    +++ b/Documentation/devicetree/bindings/input/atmel,maxtouch.txt
    @@ -31,6 +31,12 @@ Optional properties for main touchpad device:

    - reset-gpios: GPIO specifier for the touchscreen's reset pin (active low)

    +- avdd-supply: Analog power supply. It powers up the analog channel block
    + of the controller to detect the touches.
    +
    +- vdd-supply: Digital power supply. It powers up the digital block
    + of the controller to enable i2c communication.
    +
    Example:

    touch@4b {
    @@ -38,4 +44,6 @@ Example:
    reg = <0x4b>;
    interrupt-parent = <&gpio>;
    interrupts = <TEGRA_GPIO(W, 3) IRQ_TYPE_LEVEL_LOW>;
    + avdd-supply = <&atsp_reg>;
    + vdd-supply = <&tsp_reg>;
    };
    --
    2.7.4
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