linux-kernel - Re: [PATCH v2 05/11] dt-bindings: Add bindings for phy-da8xx-usb

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Date:	Sat, 19 Mar 2016 18:56:45 -0500
From:	Rob Herring <robh@...nel.org>
To:	David Lechner <david@...hnology.com>
Cc:	Petr Kulhavy <petr@...ix.com>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Sekhar Nori <nsekhar@...com>,
	Kevin Hilman <khilman@...nel.org>,
	Kishon Vijay Abraham I <kishon@...com>,
	Alan Stern <stern@...land.harvard.edu>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Bin Liu <b-liu@...com>, Tony Lindgren <tony@...mide.com>,
	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Andreas Färber <afaerber@...e.de>,
	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH v2 05/11] dt-bindings: Add bindings for phy-da8xx-usb

On Wed, Mar 16, 2016 at 09:26:38PM -0500, David Lechner wrote:
> Device tree binding for new phy-da8xx-usb driver.
> 
> Signed-off-by: David Lechner <david@...hnology.com>
> ---
> 
> v2 changes: This is new patch in v2.
> 
> 
>  .../devicetree/bindings/phy/phy-da8xx-usb.txt      | 34 ++++++++++++++++++++++
>  1 file changed, 34 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/phy-da8xx-usb.txt
> 
> diff --git a/Documentation/devicetree/bindings/phy/phy-da8xx-usb.txt b/Documentation/devicetree/bindings/phy/phy-da8xx-usb.txt
> new file mode 100644
> index 0000000..ed6b710
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/phy-da8xx-usb.txt
> @@ -0,0 +1,34 @@
> +TI DaVinci DA8XX USB PHY
> +
> +Required properties:
> + - compatible: must be "ti,da830-usbphy".
> + - #phy-cells: must be 1.
> + - reg : Address and length of the CFGCHIP2 register.
> +
> +This device controls the PHY for both the USB 1.1 OHCI and USB 2.0 OTG
> +controllers on DA8XX SoCs. Consumers of this device should use index 1 for

DA8xx

> +the USB 1.1 phy device and index 2 for the USB 2.0 phy device.
> +
> +Example:
> +
> +	usbphy: usbphy@...4184 {

TI has been doing the unit addresses wrong I've recently found. It 
should match the reg property, not be the full physical address. Please 
fix all these in the example.

> +		compatible = "ti,da830-usbphy";
> +		#phy-cells = <1>;
> +		reg = <0x14184 4>;
> +	};
> +
> +	usb11: usb11@...5000 {

usb@...

> +		compatible = "ti,da830-ohci";
> +		reg = <0x225000 0x1000>;
> +		interrupts = <59>;
> +		phys = <&usbphy 1>;
> +		phy-names = "usbphy";
> +	};
> +
> +	usb20: usb@...0000 {
> +		compatible = "ti,da830-musb";
> +		reg = <0x200000 0x1000>;
> +		interrupts = <58>;
> +		phys = <&usbphy 2>;
> +		phy-names = "usbphy";
> +	};
> -- 
> 1.9.1
>