linux-kernel - Re: [PATCH v3 2/9] staging: dwc2: update DT binding to add generic clock/phy properties

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Date:	Tue, 26 Nov 2013 15:49:30 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	Matt Porter <matt.porter@...aro.org>, Felipe Balbi <balbi@...com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Kumar Gala <galak@...eaurora.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Christian Daudt <bcm@...thebug.org>,
	Paul Zimmerman <paulz@...opsys.com>
CC:	Tomasz Figa <t.figa@...sung.com>,
	Kamil Debski <k.debski@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Linux USB List <linux-usb@...r.kernel.org>,
	Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Devicetree List <devicetree@...r.kernel.org>,
	Linaro Patches <patches@...aro.org>
Subject: Re: [PATCH v3 2/9] staging: dwc2: update DT binding to add generic
 clock/phy properties

On Monday 25 November 2013 11:46 PM, Matt Porter wrote:
> dwc2/s3c-hsotg require a single clock to be specified and optionally
> a generic phy. On the s3c-hsotg driver old style USB phy support is
> present as a fallback so the generic phy properties are optional.
> 
> Signed-off-by: Matt Porter <matt.porter@...aro.org>
> ---
>  Documentation/devicetree/bindings/staging/dwc2.txt | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/staging/dwc2.txt b/Documentation/devicetree/bindings/staging/dwc2.txt
> index 1a1b7cf..b8b42b6 100644
> --- a/Documentation/devicetree/bindings/staging/dwc2.txt
> +++ b/Documentation/devicetree/bindings/staging/dwc2.txt
> @@ -5,6 +5,12 @@ Required properties:
>  - compatible : "snps,dwc2"
>  - reg : Should contain 1 register range (address and length)
>  - interrupts : Should contain 1 interrupt
> +- clocks: clock provider specifier
> +- clock-names: shall be "otg"
> +- phys: phy provider specifier
> +- phy-names: shall be "device"

lets mention in the Documentation too that the phy properties are optional.
apart from that..
Acked-by: Kishon Vijay Abraham I <kishon@...com>
> +Refer to clk/clock-bindings.txt for generic clock consumer properties
> +Refer to phy/phy-bindings.txt for generic phy consumer properties
>  
>  Example:
>  
> @@ -12,4 +18,8 @@ Example:
>                  compatible = "ralink,rt3050-usb, snps,dwc2";
>                  reg = <0x101c0000 40000>;
>                  interrupts = <18>;
> +		clocks = <&usb_otg_ahb_clk>;
> +		clock-names = "otg";
> +		phys = <&usbphy>;
> +		phy-names = "device";
>          };
> 

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