From: Corentin Labbe <clabbe.montjoie@gmail.com>
Date: Tue, 31 Oct 2017 08:19:11 +0000 (+0100)
Subject: ARM: dts: sunxi: h3/h5: represent the mdio switch used by sun8i-h3-emac
X-Git-Tag: Ubuntu-5.0.0-8.9~3587^2~6^2~11
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=776245ae02f63ba2b94596b892c597676e190e78;p=mirror_ubuntu-disco-kernel.git

ARM: dts: sunxi: h3/h5: represent the mdio switch used by sun8i-h3-emac

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>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
---

diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
index 1db845a8edf6..8d40c00d64bb 100644
--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
@@ -413,11 +413,34 @@
 			mdio: 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 = <&mdio>;
+				/* 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>;
 				};
 			};
 		};