Commit 8f664ce7 authored Apr 03, 2020 by Kunihiko Hayashi Committed by Masahiro Yamada May 04, 2020

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

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>

parent 44f0746d

arch/arm64/boot/dts/socionext/uniphier-pxs3-ref.dts

+16 −0

Original line number	Diff line number	Diff line
		@@ -132,3 +132,19 @@
		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>;
		};
		};