Re: [PATCH v9 2/4] Documentation: dts: Add bindings for APM X-Gene SoC ethernet driver
From: Iyappan Subramanian
Date: Thu Aug 07 2014 - 18:06:31 EST
On Mon, Jul 14, 2014 at 10:45 PM, Varka Bhadram <varkabhadram@xxxxxxxxx> 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@xxxxxxx>
>> Signed-off-by: Ravi Patel <rapatel@xxxxxxx>
>> Signed-off-by: Keyur Chudgar <kchudgar@xxxxxxx>
>> ---
>> .../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@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@3 {
>> + compatible = "ethernet-phy-id001c.c915";
>> + reg = <0x3>;
>> + };
>> +
>> + };
>> + };
>> +
>> +/* Board-specific peripheral configurations */
>> +&menet {
>> + status = "ok";
>> +};
>
>
>
> --
> Regards,
> Varka Bhadram.
>
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