[PATCH v9 04/10] arm: dts: sunxi: h3/h5: represent the mdio switch used by sun8i-h3-emac
From: Corentin Labbe <clabbe.montjoie@gmail.com>
Date: 2017-10-24 18:00:59
Also in:
linux-arm-kernel, linux-devicetree, lkml
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 | 32 +++++++++++++++++++++++++++----- 1 file changed, 27 insertions(+), 5 deletions(-)
diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
index d762098fc589..0e97df490aba 100644
--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi@@ -422,14 +422,36 @@ #size-cells = <0>; status = "disabled"; - mdio: mdio { + mdio0: mdio { #address-cells = <1>; #size-cells = <0>; - int_mii_phy: ethernet-phy@1 { - compatible = "ethernet-phy-ieee802.3-c22"; + compatible = "snps,dwmac-mdio"; + }; + + mdio-mux { + compatible = "allwinner,sun8i-h3-mdio-mux"; + #address-cells = <1>; + #size-cells = <0>; + mdio-parent-bus = <&mdio0>; + /* Only one MDIO is usable at the time */ + internal_mdio: mdio@1 { + compatible = "allwinner,sun8i-h3-mdio-internal"; reg = <1>; - clocks = <&ccu CLK_BUS_EPHY>; - resets = <&ccu RST_BUS_EPHY>; + #address-cells = <1>; + #size-cells = <0>; + + int_mii_phy: ethernet-phy@1 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <1>; + clocks = <&ccu CLK_BUS_EPHY>; + resets = <&ccu RST_BUS_EPHY>; + }; + }; + + external_mdio: mdio@2 { + reg = <2>; + #address-cells = <1>; + #size-cells = <0>; }; }; };
--
2.13.6