linux-kernel - Re: [PATCH v2 2/5] dt-bindings: phy: Modify Stingray USB PHY #phy-cells

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Message-ID: <20190821182119.GA27408@bogus>
Date:   Wed, 21 Aug 2019 13:21:19 -0500
From:   Rob Herring <robh@...nel.org>
To:     Srinath Mannam <srinath.mannam@...adcom.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Mark Rutland <mark.rutland@....com>, linux-usb@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com
Subject: Re: [PATCH v2 2/5] dt-bindings: phy: Modify Stingray USB PHY
 #phy-cells

On Wed, Jul 31, 2019 at 03:49:52PM +0530, Srinath Mannam wrote:
> Increase #phy-cells from 1 to 2 to have bitmask of PHY enabled ports.

And from 0 to 1...

Are you going to update all the dts files so when we convert this to 
schema we don't get a bunch of warnings? (Feel free to convert this 
to schema too).

> 
> Signed-off-by: Srinath Mannam <srinath.mannam@...adcom.com>
> ---
>  .../devicetree/bindings/phy/brcm,stingray-usb-phy.txt      | 14 ++++++++------
>  1 file changed, 8 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/phy/brcm,stingray-usb-phy.txt b/Documentation/devicetree/bindings/phy/brcm,stingray-usb-phy.txt
> index 4ba2989..aeb0568 100644
> --- a/Documentation/devicetree/bindings/phy/brcm,stingray-usb-phy.txt
> +++ b/Documentation/devicetree/bindings/phy/brcm,stingray-usb-phy.txt
> @@ -6,9 +6,11 @@ Required properties:
>  	- "brcm,sr-usb-hs-phy" is a single HS PHY.
>   - reg: offset and length of the PHY blocks registers
>   - #phy-cells:
> -   - Must be 1 for brcm,sr-usb-combo-phy as it expects one argument to indicate
> -     the PHY number of two PHYs. 0 for HS PHY and 1 for SS PHY.
> -   - Must be 0 for brcm,sr-usb-hs-phy.
> +   - Must be 2 for brcm,sr-usb-combo-phy.
> +     - Cell 1 - PHY Number, 0 for HS PHY and 1 for SS PHY.
> +     - Cell 2 - Bitmask of enabled ports connected to USB Host controller.
> +   - Must be 1 for brcm,sr-usb-hs-phy to indicate Bit mask of ports connected
> +     to USB Host controller.
>  
>  Refer to phy/phy-bindings.txt for the generic PHY binding properties
>  
> @@ -16,17 +18,17 @@ Example:
>  	usbphy0: usb-phy@0 {
>  		compatible = "brcm,sr-usb-combo-phy";
>  		reg = <0x00000000 0x100>;
> -		#phy-cells = <1>;
> +		#phy-cells = <2>;
>  	};
>  
>  	usbphy1: usb-phy@...00 {
>  		compatible = "brcm,sr-usb-combo-phy";
>  		reg = <0x00010000 0x100>,
> -		#phy-cells = <1>;
> +		#phy-cells = <2>;
>  	};
>  
>  	usbphy2: usb-phy@...00 {
>  		compatible = "brcm,sr-usb-hs-phy";
>  		reg = <0x00020000 0x100>,
> -		#phy-cells = <0>;
> +		#phy-cells = <1>;
>  	};
> -- 
> 2.7.4
>