From 8f664ce7eda58dbc7d75dc9ff41d04786d284256 Mon Sep 17 00:00:00 2001 From: Kunihiko Hayashi Date: Fri, 3 Apr 2020 10:43:07 +0900 Subject: [PATCH] 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 Signed-off-by: Masahiro Yamada --- .../boot/dts/socionext/uniphier-pxs3-ref.dts | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/socionext/uniphier-pxs3-ref.dts b/arch/arm64/boot/dts/socionext/uniphier-pxs3-ref.dts index dc39a73dc781..7c30c6b56b57 100644 --- a/arch/arm64/boot/dts/socionext/uniphier-pxs3-ref.dts +++ b/arch/arm64/boot/dts/socionext/uniphier-pxs3-ref.dts @@ -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>; + }; +}; -- 2.25.1