From 280c17df8fbf0000ba53cb741ee822d9662f8c9e Mon Sep 17 00:00:00 2001 From: Jerome Brunet Date: Mon, 20 May 2019 15:13:59 +0200 Subject: [PATCH] arm64: dts: meson: g12a: add mdio multiplexer Add the g12a mdio multiplexer which allows to connect to either an external phy through the SoC pins or the internal 10/100 phy Signed-off-by: Jerome Brunet Acked-by: Martin Blumenstingl Signed-off-by: Kevin Hilman --- arch/arm64/boot/dts/amlogic/meson-g12a.dtsi | 32 +++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi index def02ebf6501..90da7cc81681 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi @@ -1698,6 +1698,38 @@ assigned-clock-rates = <100000000>; #phy-cells = <1>; }; + + eth_phy: mdio-multiplexer@4c000 { + compatible = "amlogic,g12a-mdio-mux"; + reg = <0x0 0x4c000 0x0 0xa4>; + clocks = <&clkc CLKID_ETH_PHY>, + <&xtal>, + <&clkc CLKID_MPLL_50M>; + clock-names = "pclk", "clkin0", "clkin1"; + mdio-parent-bus = <&mdio0>; + #address-cells = <1>; + #size-cells = <0>; + + ext_mdio: mdio@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + }; + + int_mdio: mdio@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + + internal_ephy: ethernet_phy@8 { + compatible = "ethernet-phy-id0180.3301", + "ethernet-phy-ieee802.3-c22"; + interrupts = ; + reg = <8>; + max-speed = <100>; + }; + }; + }; }; aobus: bus@ff800000 { -- 2.30.2