From mboxrd@z Thu Jan  1 00:00:00 1970
From: thor.thayer@linux.intel.com (Thor Thayer)
Date: Thu, 26 Apr 2018 09:58:47 -0500
Subject: [PATCH 1/3] Documentation: dt: socfpga: Add Stratix10 ECC Manager
 binding
In-Reply-To: <e9606cfb-cee6-2e0c-cfe5-c91a537cb8a2@linux.intel.com>
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 <e9606cfb-cee6-2e0c-cfe5-c91a537cb8a2@linux.intel.com>
Message-ID: <64ecc830-3674-6bb4-c2f9-c24e576c08c0@linux.intel.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On 04/26/2018 09:43 AM, Thor Thayer wrote:
> On 04/25/2018 09:16 PM, Dinh Nguyen wrote:
>>
>>
>> On 04/24/2018 01:35 PM, thor.thayer at linux.intel.com wrote:
>>> From: Thor Thayer <thor.thayer@linux.intel.com>
>>>
>>> Add the device tree bindings needed to support the Stratix10
>>> ECC Manager and SDRAM ECC to the existing bindings.
>>>
>>> Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
>>> ---
>>> ? .../bindings/arm/altera/socfpga-eccmgr.txt???????? | 47 
>>> ++++++++++++++++++++++
>>> ? 1 file changed, 47 insertions(+)
>>>
>>> diff --git 
>>> a/Documentation/devicetree/bindings/arm/altera/socfpga-eccmgr.txt 
>>> b/Documentation/devicetree/bindings/arm/altera/socfpga-eccmgr.txt
>>> index 4a1714f96bab..fe48ad293a24 100644
>>> --- a/Documentation/devicetree/bindings/arm/altera/socfpga-eccmgr.txt
>>> +++ b/Documentation/devicetree/bindings/arm/altera/socfpga-eccmgr.txt
>>> @@ -231,3 +231,50 @@ Example:
>>> ?????????????????????? <48 IRQ_TYPE_LEVEL_HIGH>;
>>> ????????? };
>>> ????? };
>>> +
>>> +Stratix10 SoCFPGA ECC Manager
>>> +The Stratix10 SoC ECC Manager handles the IRQs for each peripheral
>>> +in a shared register similar to the Arria10. However, ECC requires
>>> +access to registers that can only be read in EL3 with SMC calls.
>>> +Therefore the device tree is slightly different.
>>> +
>>> +Required Properties:
>>> +- compatible : Should be "altr,socfpga-s10-ecc-manager"
>>
>> Altera technically doesn't exist anymore, should this be
>> "intel,stratix10-ecc-manager"?
>>
> I was trying to be consistent with the older names but I agree with your 
> argument. I will change this. Thanks
> 
After looking at the Stratix10 device tree, there are only "altr," in 
there. For instance the top node is:

compatible = "altr,socfpga-stratix10";

and even the directory that the device tree is in is named "altera"

so I'll stick with the existing "altr," designation to be consistent.

Thanks,

Thor

>> Dinh
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> 
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