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arm64: dts: uniphier: Stabilize Ethernet RGMII mode of PXs3 ref board

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The RGMII PHY implemented in PXs3 ref board needs to change
drive-strength properties of the Ethernet Tx pins to stabilize the PHY.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Kunihiko Hayashi 2020-04-03 10:43:07 +09:00 committed by Masahiro Yamada
parent 44f0746d60
commit 8f664ce7ed
1 changed files with 16 additions and 0 deletions
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16
arch/arm64/boot/dts/socionext/uniphier-pxs3-ref.dts
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@ -132,3 +132,19 @@ nand@0 {
reg = <0>;
};
};
&pinctrl_ether_rgmii {
tx {
pins = "RGMII0_TXCLK", "RGMII0_TXD0", "RGMII0_TXD1",
"RGMII0_TXD2", "RGMII0_TXD3", "RGMII0_TXCTL";
drive-strength = <9>;
};
};
&pinctrl_ether1_rgmii {
tx {
pins = "RGMII1_TXCLK", "RGMII1_TXD0", "RGMII1_TXD1",
"RGMII1_TXD2", "RGMII1_TXD3", "RGMII1_TXCTL";
drive-strength = <9>;
};
};