linux-kernel - Re: [PATCH 1/2] phy: usbphy: Add dt documentation for Broadcom Cygnus USB PHY driver

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Date:	Tue, 17 Feb 2015 20:41:41 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Arun Ramamurthy <arun.ramamurthy@...adcom.com>
Cc:	Kishon Vijay Abraham I <kishon@...com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, devicetree@...r.kernel.org,
	Jonathan Richardson <jonathar@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	Ray Jui <rjui@...adcom.com>,
	linux-arm-kernel@...ts.infradead.org,
	bcm-kernel-feedback-list@...adcom.com,
	linux-kernel@...r.kernel.org, Dmitry Torokhov <dtor@...gle.com>,
	Anatol Pomazau <anatol@...gle.com>
Subject: Re: [PATCH 1/2] phy: usbphy: Add dt documentation for Broadcom Cygnus USB PHY driver

On Tuesday 17 February 2015 11:20:20 Arun Ramamurthy wrote:
> +       /* This nodes declares  port 0
> +       and port 1 as host*/
> +
> +       ehci0: usb@...8048000 {
> +               compatible = "generic-ehci";
> +               reg = <0x18048000 0x100>;
> +               interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
> +               phys = <&usbphy0 0 1 &usbphy0 1>;

The second reference in the example is missing the last cell,
as you have #phy-cells = <2>.

> +               phy-names = "usbp0","usbp1";
> +               status = "okay";
> +       };

Further, the binding for "generic-ehci" requires the name to be "usb",
not "usbp0". You should probably update that binding if you can have
multiple references to mention that.

Can you make both names "usb"? If not, we should document a common
naming scheme that the driver can use.

	Arnd
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