[PATCH v3 1/4] ARM: dts: sunxi: h3/h5: represent the mdio switch used by sun8i-h3-emac
From: clabbe.montjoie@gmail.com (Corentin Labbe)
Date: 2017-08-18 12:25:24
Also in:
linux-devicetree, lkml, netdev
Subsystem:
the rest · Maintainer:
Linus Torvalds
Since dwmac-sun8i could use either an integrated PHY or an external PHY (which could be at same MDIO address), we need to represent this selection by a MDIO switch. Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com> --- arch/arm/boot/dts/sunxi-h3-h5.dtsi | 28 +++++++++++++++++++++++----- 1 file changed, 23 insertions(+), 5 deletions(-)
diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
index 4b599b5d26f6..74fdfcc9dfd3 100644
--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi@@ -417,14 +417,32 @@ #size-cells = <0>; status = "disabled"; - mdio: mdio { + mdio_parent: mdio { #address-cells = <1>; #size-cells = <0>; - int_mii_phy: ethernet-phy at 1 { - compatible = "ethernet-phy-ieee802.3-c22"; + }; + mdio-mux { + compatible = "allwinner,sun8i-h3-mdio-switch"; + mdio-parent-bus = <&mdio_parent>; + #address-cells = <1>; + #size-cells = <0>; + + internal_mdio: mdio at 1 { reg = <1>; - clocks = <&ccu CLK_BUS_EPHY>; - resets = <&ccu RST_BUS_EPHY>; + #address-cells = <1>; + #size-cells = <0>; + int_mii_phy: ethernet-phy at 1 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <1>; + clocks = <&ccu CLK_BUS_EPHY>; + resets = <&ccu RST_BUS_EPHY>; + phy-is-integrated; + }; + }; + mdio: mdio at 0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; }; }; };
--
2.13.0