netdev - Re: [PATCH RFC 3/4] dt-bindings: correct marvell orion MDIO binding document

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Message-ID: <20170109103156.GA2147@leverpostej>
Date:   Mon, 9 Jan 2017 10:31:56 +0000
From:   Mark Rutland <mark.rutland@....com>
To:     Russell King <rmk+kernel@...linux.org.uk>
Cc:     Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        Andrew Lunn <andrew@...n.ch>,
        Jason Cooper <jason@...edaemon.net>,
        Gregory Clement <gregory.clement@...e-electrons.com>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Marcin Wojtas <mw@...ihalf.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        netdev@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH RFC 3/4] dt-bindings: correct marvell orion MDIO binding
 document

On Sat, Jan 07, 2017 at 11:28:30AM +0000, Russell King wrote:
> Correct the Marvell Orion MDIO binding document to properly reflect the
> cases where an interrupt is present.  Augment the examples to show this.
> 
> Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>

This looks fine to me.

Acked-by: Mark Rutland <mark.rutland@....com>

Mark.

> ---
>  .../devicetree/bindings/net/marvell-orion-mdio.txt      | 17 +++++++++++++++--
>  1 file changed, 15 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt b/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt
> index 9417e54c26c0..ca733ff68ab9 100644
> --- a/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt
> +++ b/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt
> @@ -7,7 +7,10 @@ interface.
>  
>  Required properties:
>  - compatible: "marvell,orion-mdio"
> -- reg: address and length of the SMI register
> +- reg: address and length of the MDIO registers.  When an interrupt is
> +  not present, the length is the size of the SMI register (4 bytes)
> +  otherwise it must be 0x84 bytes to cover the interrupt control
> +  registers.
>  
>  Optional properties:
>  - interrupts: interrupt line number for the SMI error/done interrupt
> @@ -17,7 +20,7 @@ The child nodes of the MDIO driver are the individual PHY devices
>  connected to this MDIO bus. They must have a "reg" property given the
>  PHY address on the MDIO bus.
>  
> -Example at the SoC level:
> +Example at the SoC level without an interrupt property:
>  
>  mdio {
>  	#address-cells = <1>;
> @@ -26,6 +29,16 @@ mdio {
>  	reg = <0xd0072004 0x4>;
>  };
>  
> +Example with an interrupt property:
> +
> +mdio {
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	compatible = "marvell,orion-mdio";
> +	reg = <0xd0072004 0x84>;
> +	interrupts = <30>;
> +};
> +
>  And at the board level:
>  
>  mdio {
> -- 
> 2.7.4
>