openwrt_lede/target/linux/bcm53xx/patches-4.4/047-0021-ARM-dts-BCM5301X-Specify-MDIO-bus-in-the-DT.patch

From c4b88e77c28fad5151a1a4eac516b947e2d51be5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Wed, 19 Apr 2017 23:54:25 +0200
Subject: [PATCH] ARM: dts: BCM5301X: Specify MDIO bus in the DT
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Northstar devices have MDIO bus that may contain various PHYs attached.
A common example is USB 3.0 PHY (that doesn't have an MDIO driver yet).

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 arch/arm/boot/dts/bcm5301x.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -334,6 +334,14 @@
 		};
 	};
 
+	mdio: mdio@18003000 {
+		compatible = "brcm,iproc-mdio";
+		reg = <0x18003000 0x8>;
+		#size-cells = <1>;
+		#address-cells = <0>;
+		status = "disabled";
+	};
+
 	i2c0: i2c@18009000 {
 		compatible = "brcm,iproc-i2c";
 		reg = <0x18009000 0x50>;