diff options
| author | Russell King <rmk+kernel@armlinux.org.uk> | 2017-04-10 16:28:15 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-04-13 10:59:11 -0400 |
| commit | 2c26122e2c8d9b76b98995a7bd9f13a79dacfabe (patch) | |
| tree | 0b635d65cb662063e87893ea4a80b7e786bff93c /Documentation | |
| parent | 7093a9702e00274fde609d634010a5833b45b229 (diff) | |
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: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/net/marvell-orion-mdio.txt | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt b/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt index 9417e54c26c0..ca733ff68ab9 100644 --- a/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt +++ b/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt @@ -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 { |