Re: [PATCHv4 4/7] Documentation: dt: socfpga: Add Arria10 Ethernet binding

From: Rob Herring
Date: Tue Jun 21 2016 - 11:48:43 EST


On Tue, Jun 21, 2016 at 9:46 AM, Thor Thayer
<tthayer@xxxxxxxxxxxxxxxxxxxxx> wrote:
> Hi Rob,
>
>
> On 06/21/2016 08:33 AM, Rob Herring wrote:
>>
>> On Mon, Jun 20, 2016 at 09:50:49AM -0500, tthayer@xxxxxxxxxxxxxxxxxxxxx
>> wrote:
>>>
>>> From: Thor Thayer <tthayer@xxxxxxxxxxxxxxxxxxxxx>
>>>
>>> Add the device tree bindings needed to support the Altera Ethernet
>>> FIFO buffers on the Arria10 chip.
>>>
>>> Signed-off-by: Thor Thayer <tthayer@xxxxxxxxxxxxxxxxxxxxx>
>>> ---
>>> v2 No Change
>>> v3 Change to common compatible string based on maintainer comments
>>> Add local IRQ values.
>>> v4 Add compatible string for parent node.
>>> ---
>>> .../bindings/arm/altera/socfpga-eccmgr.txt | 24
>>> ++++++++++++++++++++
>>> 1 file changed, 24 insertions(+)
>>>
>>> diff --git
>>> a/Documentation/devicetree/bindings/arm/altera/socfpga-eccmgr.txt
>>> b/Documentation/devicetree/bindings/arm/altera/socfpga-eccmgr.txt
>>> index 15eb0df..7c714ba 100644
>>> --- a/Documentation/devicetree/bindings/arm/altera/socfpga-eccmgr.txt
>>> +++ b/Documentation/devicetree/bindings/arm/altera/socfpga-eccmgr.txt
>>> @@ -82,6 +82,14 @@ Required Properties:
>>> - interrupts : Should be single bit error interrupt, then double bit
>>> error
>>> interrupt, in this order.
>>>
>>> +Ethernet FIFO ECC
>>> +Required Properties:
>>> +- compatible : Should be "altr,socfpga-eth-mac-ecc"
>>> +- reg : Address and size for ECC block registers.
>>> +- parent : phandle to parent (altr,socfpga-stmmac) Ethernet node.
>>
>>
>> Sorry if I wasn't clear before, but I was suggesting changing 'parent'
>> to 'altr,ethernet-mac':
>>
>> altr,ethernet-mac = <&gmac0>;
>>
>> Rob
>>
> Ahh, I see what you're saying.
>
> I used parent as the tag because I have a generic function for validating
> that the parent status is "okay" using the "parent" string in my
> validate_parent_available() function (see below).

Ah, so common ecc-mgr code is parsing it. Then how about 'altr,ecc-parent'?

Rob