Re: [PATCH 12/12] dt-bindings: usb: mtu3: remove optional pinctrls

[Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>]

On Thu, Sep 28, 2017 at 08:17:20AM +0800, Chunfeng Yun wrote:
> Remove optional pinctrls due to using FORCE/RG_IDDIG to implement
> manual switch function.

Another not backwards compatible change. Please explain why that is 
okay.

> 
> Signed-off-by: Chunfeng Yun <chunfeng.yun-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
> ---
>  .../devicetree/bindings/usb/mediatek,mtu3.txt      |    7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt b/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt
> index 49c982b..b2271d8 100644
> --- a/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt
> +++ b/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt
> @@ -30,9 +30,10 @@ Optional properties:
>  	when supports dual-role mode.
>   - vbus-supply : reference to the VBUS regulator, needed when supports
>  	dual-role mode.
> - - pinctl-names : a pinctrl state named "default" must be defined,
> -	"id_float" and "id_ground" are optinal which depends on
> -	"mediatek,enable-manual-drd"
> + - pinctrl-names : a pinctrl state named "default" is optional, and need be
> +	defined if auto drd switch is enabled, that means the property dr_mode
> +	is set as "otg", and meanwhile the property "mediatek,enable-manual-drd"
> +	is not set.
>   - pinctrl-0 : pin control group
>  	See: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
>  
> -- 
> 1.7.9.5
> 
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