On Tue, Oct 22, 2013 at 01:58:44PM +0800, Peter Chen wrote:
> This property is used to disconnect line between USB PHY and
> USB controller.
>
> Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/usb/mxs-phy.txt | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/usb/mxs-phy.txt b/Documentation/devicetree/bindings/usb/mxs-phy.txt
> index 5837963..356c9b6 100644
> --- a/Documentation/devicetree/bindings/usb/mxs-phy.txt
> +++ b/Documentation/devicetree/bindings/usb/mxs-phy.txt
> @@ -9,6 +9,9 @@ mxs PHY verions.
> - reg: Should contain registers location and length
> - interrupts: Should contain phy interrupt
> - fsl,anatop: phandle for anatop register, it is only for mx6 SoC serial
> +- disconnect-line-without-vbus: needs to disconnect
> +connection between USB PHY and controller, it can avoid
> +unexpected wakeup interrupt when the PHY is out of power
If it's a mxs-phy specific property, we may need to have vendor prefix
'fsl,' for it.
I see you set the property in imx6qdl.dtsi. Is it true that we should
always set it for imx6q/dl? If yes, why cannot we have the driver to
force it for imx6q type of phy. If no, where do we need to set it and
where not?
Shawn
>
> Example:
> usbphy1: usbphy@020c9000 {
> @@ -16,4 +19,5 @@ usbphy1: usbphy@020c9000 {
> reg = <0x020c9000 0x1000>;
> interrupts = <0 44 0x04>;
> fsl,anatop = <&anatop>;
> + disconnect-line-without-vbus;
> };
> --
> 1.7.1
>
>
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