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arm64: dts: meson: g12a: add mdio multiplexer

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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 <jbrunet@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This commit is contained in:
Jerome Brunet 2019-05-20 15:13:59 +02:00 committed by Kevin Hilman
parent 3293252f11
commit 280c17df8f
1 changed files with 32 additions and 0 deletions
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32
arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
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@ -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 = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
reg = <8>;
max-speed = <100>;
};
};
};
};
aobus: bus@ff800000 {