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arm64: dts: imx8mp-phycore-som: Reduce drive strength for fec tx lines

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Reduce drive strength on fec tx lines for signal quality improvements.
Measurements showed that TD0 and TD1 require X4 and the other lines
X2 for optimized settings.

Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Teresa Remmet 2022-02-18 13:04:54 +01:00 committed by Shawn Guo
parent c173a18171
commit 97c8800e3f
1 changed files with 6 additions and 6 deletions
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12
arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi
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@ -222,12 +222,12 @@ MX8MP_IOMUXC_SAI1_RXD6__ENET1_RGMII_RD2 0x91
MX8MP_IOMUXC_SAI1_RXD7__ENET1_RGMII_RD3 0x91
MX8MP_IOMUXC_SAI1_TXC__ENET1_RGMII_RXC 0x91
MX8MP_IOMUXC_SAI1_TXFS__ENET1_RGMII_RX_CTL 0x91
MX8MP_IOMUXC_SAI1_TXD0__ENET1_RGMII_TD0 0x1f
MX8MP_IOMUXC_SAI1_TXD1__ENET1_RGMII_TD1 0x1f
MX8MP_IOMUXC_SAI1_TXD2__ENET1_RGMII_TD2 0x1f
MX8MP_IOMUXC_SAI1_TXD3__ENET1_RGMII_TD3 0x1f
MX8MP_IOMUXC_SAI1_TXD4__ENET1_RGMII_TX_CTL 0x1f
MX8MP_IOMUXC_SAI1_TXD5__ENET1_RGMII_TXC 0x1f
MX8MP_IOMUXC_SAI1_TXD0__ENET1_RGMII_TD0 0x12
MX8MP_IOMUXC_SAI1_TXD1__ENET1_RGMII_TD1 0x12
MX8MP_IOMUXC_SAI1_TXD2__ENET1_RGMII_TD2 0x14
MX8MP_IOMUXC_SAI1_TXD3__ENET1_RGMII_TD3 0x14
MX8MP_IOMUXC_SAI1_TXD4__ENET1_RGMII_TX_CTL 0x14
MX8MP_IOMUXC_SAI1_TXD5__ENET1_RGMII_TXC 0x14
MX8MP_IOMUXC_GPIO1_IO15__GPIO1_IO15 0x11
>;
};