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Date:   Fri,  8 Sep 2017 09:11:52 +0200
From:   Corentin Labbe <clabbe.montjoie@...il.com>
To:     robh+dt@...nel.org, mark.rutland@....com,
        maxime.ripard@...e-electrons.com, wens@...e.org,
        linux@...linux.org.uk, catalin.marinas@....com,
        will.deacon@....com, peppe.cavallaro@...com,
        alexandre.torgue@...com, andrew@...n.ch, f.fainelli@...il.com
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Corentin Labbe <clabbe.montjoie@...il.com>
Subject: [PATCH v5 06/10] 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@...il.com>
---
 arch/arm/boot/dts/sunxi-h3-h5.dtsi | 30 +++++++++++++++++++++++++-----
 1 file changed, 25 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..e137377b312d 100644
--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
@@ -417,14 +417,34 @@
 			#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 = "mdio-mux";
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				/* Only one MDIO is usable at the time */
+				internal_mdio: mdio@1 {
+					reg = <0>;
+					#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>;
+						phy-is-integrated;
+					};
+				};
+				mdio: mdio@0 {
 					reg = <1>;
-					clocks = <&ccu CLK_BUS_EPHY>;
-					resets = <&ccu RST_BUS_EPHY>;
+					#address-cells = <1>;
+					#size-cells = <0>;
 				};
 			};
 		};
-- 
2.13.5

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