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Commit 2c26122e authored by Russell King's avatar Russell King Committed by David S. Miller
Browse files

dt-bindings: correct marvell orion MDIO binding document 



Correct the Marvell Orion MDIO binding document to properly reflect the
cases where an interrupt is present.  Augment the examples to show this.

Signed-off-by: default avatarRussell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7093a970

Documentation/devicetree/bindings/net/marvell-orion-mdio.txt

+15 −2
Original line number Diff line number Diff line
@@ -7,7 +7,10 @@ interface. 


Required properties:

- compatible: "marvell,orion-mdio"

- reg: address and length of the SMI register

- reg: address and length of the MDIO registers.  When an interrupt is

  not present, the length is the size of the SMI register (4 bytes)

  otherwise it must be 0x84 bytes to cover the interrupt control

  registers.



Optional properties:

- interrupts: interrupt line number for the SMI error/done interrupt
@@ -17,7 +20,7 @@ The child nodes of the MDIO driver are the individual PHY devices 
connected to this MDIO bus. They must have a "reg" property given the

PHY address on the MDIO bus.



Example at the SoC level:

Example at the SoC level without an interrupt property:



mdio {

	#address-cells = <1>;
@@ -26,6 +29,16 @@ mdio { 
	reg = <0xd0072004 0x4>;

};



Example with an interrupt property:



mdio {

	#address-cells = <1>;

	#size-cells = <0>;

	compatible = "marvell,orion-mdio";

	reg = <0xd0072004 0x84>;

	interrupts = <30>;

};



And at the board level:



mdio {