On 2017년 10월 19일 12:25, Raveendra Padasalagi wrote:
> Add documentation on optional dt attribute "debounce-timeout-ms"
> in extcon node to capture user specified timeout value for id
> and vbus gpio detection.
>
> Signed-off-by: Raveendra Padasalagi <raveendra.padasalagi@xxxxxxxxxxxx>
> Reviewed-by: Ray Jui <ray.jui@xxxxxxxxxxxx>
> Reviewed-by: Srinath Mannam <srinath.mannam@xxxxxxxxxxxx>
> ---
>
> Changes in v2:
> Rename debounce-timeout-ms to input-debounce
>
> Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt b/Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt
> index dfc14f7..d115900 100644
> --- a/Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt
> +++ b/Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt
> @@ -10,6 +10,9 @@ Either one of id-gpio or vbus-gpio must be present. Both can be present as well.
> - id-gpio: gpio for USB ID pin. See gpio binding.
> - vbus-gpio: gpio for USB VBUS pin.
>
> +Optional properties:
> +- input-debounce: debounce timeout value for id and vbus gpio in microseconds.
The pinctrl-bindings.txt[1] specify the unit of 'input-debounce'.
The unit is usec instead of 'microsecond'. You need to modify the description of unit.
[1] Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
> +
> Example: Examples of extcon-usb-gpio node in dra7-evm.dts as listed below:
> extcon_usb1 {
> compatible = "linux,extcon-usb-gpio";
>
--
Best Regards,
Chanwoo Choi
Samsung Electronics
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