[PATCH v9 2/4] Documentation: dts: Add bindings for APM X-Gene SoC ethernet driver

Iyappan Subramanian isubramanian at apm.com
Thu Aug 7 15:06:23 PDT 2014


On Mon, Jul 14, 2014 at 10:45 PM, Varka Bhadram <varkabhadram at gmail.com> wrote:
> On 07/15/2014 03:48 AM, Iyappan Subramanian wrote:
>>
>> This patch adds documentation for APM X-Gene SoC ethernet DTS binding.
>>
>> Signed-off-by: Iyappan Subramanian <isubramanian at apm.com>
>> Signed-off-by: Ravi Patel <rapatel at apm.com>
>> Signed-off-by: Keyur Chudgar <kchudgar at apm.com>
>> ---
>>   .../devicetree/bindings/net/apm-xgene-enet.txt     | 72
>> ++++++++++++++++++++++
>>   1 file changed, 72 insertions(+)
>>   create mode 100644
>> Documentation/devicetree/bindings/net/apm-xgene-enet.txt
>>
>> diff --git a/Documentation/devicetree/bindings/net/apm-xgene-enet.txt
>> b/Documentation/devicetree/bindings/net/apm-xgene-enet.txt
>> new file mode 100644
>> index 0000000..3e2a295
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/net/apm-xgene-enet.txt
>> @@ -0,0 +1,72 @@
>> +APM X-Gene SoC Ethernet nodes
>> +
>> +Ethernet nodes are defined to describe on-chip ethernet interfaces in
>> +APM X-Gene SoC.
>> +
>> +Required properties:
>> +- compatible:          Should be "apm,xgene-enet"
>> +- reg: Address and length of the register set for the device. It contains
>> the
>> +       information of registers in the same order as described by
>> reg-names
>> +- reg-names: Should contain the register set names
>
>
> These are not aligned properly...

I will fix these in the next patch.

>
> Required properties:
> - compatble             : Should be "apm,xgene-enet"
>
> - reg                   : Address and length of the register set for the
> device.
>                           It contains the information of registers in the
> same order
>                           as described by reg-names
>
> .....
>
>
>> +  "enet_csr":          Ethernet control and status register address space
>> +  "ring_csr":          Descriptor ring control and status register
>> address space
>> +  "ring_cmd":          Descriptor ring command register address space
>> +- interrupts:          Ethernet main interrupt
>> +- clocks:              Reference to the clock entry.
>> +- local-mac-address:   MAC address assigned to this device
>> +- phy-connection-type: Interface type between ethernet device and PHY
>> device
>> +- phy-handle:          Reference to a PHY node connected to this device
>> +
>> +- mdio:                Device tree subnode with the following required
>> +                       properties:
>> +
>> +       - compatible: Must be "apm,xgene-mdio".
>> +       - #address-cells: Must be <1>.
>> +       - #size-cells: Must be <0>.
>> +
>> +       For the phy on the mdio bus, there must be a node with the
>> following
>> +       fields:
>> +
>> +       - compatible: PHY identifier.  Please refer ./phy.txt for the
>> format.
>> +       - reg: The ID number for the phy.
>> +
>
>
> alignment...  :-)

Thanks.  I will fix the alignments.

>
>
>> +Optional properties:
>> +- status               : Should be "ok" or "disabled" for
>> enabled/disabled.
>> +                         Default is "ok".
>> +
>> +
>> +Example:
>> +       menetclk: menetclk {
>> +               compatible = "apm,xgene-device-clock";
>> +               clock-output-names = "menetclk";
>> +               status = "ok";
>> +       };
>> +
>> +       menet: ethernet at 17020000 {
>> +               compatible = "apm,xgene-enet";
>> +               status = "disabled";
>> +               reg = <0x0 0x17020000 0x0 0xd100>,
>> +                     <0x0 0X17030000 0x0 0X400>,
>> +                     <0x0 0X10000000 0x0 0X200>;
>> +               reg-names = "enet_csr", "ring_csr", "ring_cmd";
>> +               interrupts = <0x0 0x3c 0x4>;
>> +               clocks = <&menetclk 0>;
>> +               local-mac-address = [00 01 73 00 00 01];
>> +               phy-connection-type = "rgmii";
>> +               phy-handle = <&menetphy>;
>> +               mdio {
>> +                       compatible = "apm,xgene-mdio";
>> +                       #address-cells = <1>;
>> +                       #size-cells = <0>;
>> +                       menetphy: menetphy at 3 {
>> +                               compatible = "ethernet-phy-id001c.c915";
>> +                               reg = <0x3>;
>> +                       };
>> +
>> +               };
>> +       };
>> +
>> +/* Board-specific peripheral configurations */
>> +&menet {
>> +        status = "ok";
>> +};
>
>
>
> --
> Regards,
> Varka Bhadram.
>



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