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Message-Id: <20191017094757.26885-1-alexandre.belloni@bootlin.com>
Date:   Thu, 17 Oct 2019 11:47:56 +0200
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     "David S . Miller" <davem@...emloft.net>
Cc:     Andrew Lunn <andrew@...n.ch>, Vladimir Zapolskiy <vz@...ia.com>,
        Sylvain Lemieux <slemieux.tyco@...il.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH v2 1/2] dt-bindings: net: lpc-eth: document optional properties

The Ethernet controller is also an mdio controller, to be able to parse
children (phys for example), #address-cells and #size-cells must be
present.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 Documentation/devicetree/bindings/net/lpc-eth.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/lpc-eth.txt b/Documentation/devicetree/bindings/net/lpc-eth.txt
index b92e927808b6..cfe0e5991d46 100644
--- a/Documentation/devicetree/bindings/net/lpc-eth.txt
+++ b/Documentation/devicetree/bindings/net/lpc-eth.txt
@@ -10,6 +10,11 @@ Optional properties:
   absent, "rmii" is assumed.
 - use-iram: Use LPC32xx internal SRAM (IRAM) for DMA buffering
 
+Optional subnodes:
+- mdio : specifies the mdio bus, used as a container for phy nodes according to
+  phy.txt in the same directory
+
+
 Example:
 
 	mac: ethernet@...60000 {
-- 
2.21.0

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