[U-Boot] [PATCH] arm: dts: Stratix10: change pad skew values for EMAC0 PHY driver

Marek Vasut marex at denx.de
Fri Nov 22 02:08:32 UTC 2019


On 11/22/19 2:34 AM, Tan, Ley Foon wrote:
> 
> 
>> -----Original Message-----
>> From: Ooi, Joyce <joyce.ooi at intel.com>
>> Sent: Thursday, November 21, 2019 10:49 PM
>> To: Tan, Ley Foon <ley.foon.tan at intel.com>; Ang, Chee Hong
>> <chee.hong.ang at intel.com>
>> Cc: Ooi, Joyce <joyce.ooi at intel.com>; u-boot at lists.denx.de
>> Subject: [PATCH] arm: dts: Stratix10: change pad skew values for EMAC0 PHY
>> driver
>>
>> The HPS EMAC0 drive strength is changed to 4mA because the initial 8mA
>> drive strength has caused CE test to fail. This requires changes on the pad
>> skew for EMAC0 PHY driver. Based on several measurements done, Tx clock
>> does not require the extra 0.96ns delay which was needed in Arria10.
>>
>> Signed-off-by: Ooi, Joyce <joyce.ooi at intel.com>
> Reviewed-by: Ley Foon Tan <ley.foon.tan at intel.com>

Applied, thanks.


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