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SubjectRe: [PATCH] arm64: dts: stratix10: Change pad skew values for EMAC0 PHY driver
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On 04/23/2018 10:01 PM, Ooi, Joyce wrote:
> 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.
>
> Signed-off-by: Ooi, Joyce <joyce.ooi@intel.com>
> ---
> .../boot/dts/altera/socfpga_stratix10_socdk.dts | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
> index 0007564..8785f78 100644
> --- a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
> +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
> @@ -79,7 +79,7 @@
> rxd2-skew-ps = <420>; /* 0ps */
> rxd3-skew-ps = <420>; /* 0ps */
> txen-skew-ps = <0>; /* -420ps */
> - txc-skew-ps = <1860>; /* 960ps */
> + txc-skew-ps = <900>; /* 0ps */
> rxdv-skew-ps = <420>; /* 0ps */
> rxc-skew-ps = <1680>; /* 780ps */
> };
>

Applied, thanks!

Dinh

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