From: Ooi, Joyce Date: Tue, 24 Apr 2018 03:01:58 +0000 (+0800) Subject: arm64: dts: stratix10: Change pad skew values for EMAC0 PHY driver X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e8c622e2b51b9ad4a8cd3f153a2ca4f1b61cf165;p=linux.git arm64: 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. Signed-off-by: Ooi, Joyce Signed-off-by: Dinh Nguyen --- diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts index d03df18ca9670..f9b1ef12db485 100644 --- a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts @@ -94,7 +94,7 @@ 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 */ };