netdev - Re: [PATCH V1 net-next 1/5] amd-xgbe: AMD 10GbE device bindings documentation

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Message-ID: <CAGVrzcbb1x_DrqmqH4D5qm2Nh0OBzNZMZ9APMcAq=hbXUsDBKw@mail.gmail.com>
Date:	Fri, 30 May 2014 10:11:57 -0700
From:	Florian Fainelli <f.fainelli@...il.com>
To:	Tom Lendacky <thomas.lendacky@....com>
Cc:	netdev <netdev@...r.kernel.org>, jcm@...hat.com,
	David Miller <davem@...emloft.net>
Subject: Re: [PATCH V1 net-next 1/5] amd-xgbe: AMD 10GbE device bindings documentation

Hi,

2014-05-30 9:11 GMT-07:00 Tom Lendacky <thomas.lendacky@....com>:
> This patch provides the documentation of the device bindings
> for the AMD 10GbE platform driver.
>
> Signed-off-by: Tom Lendacky <thomas.lendacky@....com>
> ---
>  .../devicetree/bindings/net/amd-xgbe-phy.txt       |   17 +++++++++++
>  Documentation/devicetree/bindings/net/amd-xgbe.txt |   32 ++++++++++++++++++++
>  2 files changed, 49 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/amd-xgbe-phy.txt
>  create mode 100644 Documentation/devicetree/bindings/net/amd-xgbe.txt
>
> diff --git a/Documentation/devicetree/bindings/net/amd-xgbe-phy.txt b/Documentation/devicetree/bindings/net/amd-xgbe-phy.txt
> new file mode 100644
> index 0000000..cd821d0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/amd-xgbe-phy.txt
> @@ -0,0 +1,17 @@
> +* AMD 10GbE PHY driver (amd-xgbe-phy)
> +
> +Required properties:
> +- compatible: Should be "amd,xgbe-phy-seattle-v1a" and
> +  "ethernet-phy-ieee802.3-c45"
> +- reg: Address and length of the register sets for the device
> +   - SerDes Rx/Tx registers
> +   - SerDes integration registers (1/2)
> +   - SerDes integration registers (2/2)
> +
> +Example:
> +       xgbe_phy@...40800 {
> +               compatible = "amd,xgbe-phy-seattle-v1a", "ethernet-phy-ieee802.3-c45";
> +               reg = <0 0xe1240800 0 0x00400>,
> +                     <0 0xe1250000 0 0x00060>,
> +                     <0 0xe1250080 0 0x00004>;
> +       };
> diff --git a/Documentation/devicetree/bindings/net/amd-xgbe.txt b/Documentation/devicetree/bindings/net/amd-xgbe.txt
> new file mode 100644
> index 0000000..2aec10d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/amd-xgbe.txt
> @@ -0,0 +1,32 @@
> +* AMD 10GbE driver (amd-xgbe)
> +
> +Required properties:
> +- compatible: Should be "amd,xgbe-seattle-v1a"
> +- reg: Address and length of the register sets for the device
> +   - MAC registers
> +   - PCS registers
> +- interrupt-parent: Should be the phandle for the interrupt controller
> +  that services interrupts for this device
> +- interrupts: Should contain the amd-xgbe interrupt
> +- clocks: Should be the DMA clock for the amd-xgbe device (used for
> +  calculating the correct Rx interrupt watchdog timer value on a DMA
> +  channel for coalescing)
> +- clock-names: Should be the name of the DMA clock, "dma_clk"
> +- phy-handle: Should be the phandle for the associated phy

You can also reference ethernet.txt and phy.txt in the same directory
for details about 'phy-handle'.

'phy-mode' is also a required property here since you have specified a
'phy-handle' phandle to the PHY node.

> +
> +Optional properties:
> +- mac-address: mac address to be assigned to the device. Can be overridden
> +  by UEFI.
> +
> +Example:
> +       xgbe@...00000 {
> +               compatible = "amd,xgbe-seattle-v1a";
> +               reg = <0 0xe0700000 0 0x80000>,
> +                     <0 0xe0780000 0 0x80000>;
> +               interrupt-parent = <&gic>;
> +               interrupts = <0 325 4>;
> +               clocks = <&xgbe_clk>;
> +               clock-names = "dma_clk";
> +               phy-handle = <&phy>;
> +               mac-address = [ 02 a1 a2 a3 a4 a5 ];
> +       };
>
> --
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-- 
Florian
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