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author | Thomas Gleixner <tglx@linutronix.de> | 2013-07-12 12:34:42 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2013-07-12 12:34:42 +0200 |
commit | f2006e27396f55276f24434f56e208d86e7f9908 (patch) | |
tree | 71896db916d33888b4286f80117d3cac0da40e6d /Documentation/devicetree/bindings/net/arc_emac.txt | |
parent | e399eb56a6110e13f97e644658648602e2b08de7 (diff) | |
parent | 9903883f1dd6e86f286b7bfa6e4b423f98c1cd9e (diff) | |
download | lwn-f2006e27396f55276f24434f56e208d86e7f9908.tar.gz lwn-f2006e27396f55276f24434f56e208d86e7f9908.zip |
Merge branch 'linus' into timers/urgent
Get upstream changes so we can apply fixes against them
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'Documentation/devicetree/bindings/net/arc_emac.txt')
-rw-r--r-- | Documentation/devicetree/bindings/net/arc_emac.txt | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/arc_emac.txt b/Documentation/devicetree/bindings/net/arc_emac.txt new file mode 100644 index 000000000000..bcbc3f009158 --- /dev/null +++ b/Documentation/devicetree/bindings/net/arc_emac.txt @@ -0,0 +1,38 @@ +* Synopsys ARC EMAC 10/100 Ethernet driver (EMAC) + +Required properties: +- compatible: Should be "snps,arc-emac" +- reg: Address and length of the register set for the device +- interrupts: Should contain the EMAC interrupts +- clock-frequency: CPU frequency. It is needed to calculate and set polling +period of EMAC. +- max-speed: Maximum supported data-rate in Mbit/s. In some HW configurations +bandwidth of external memory controller might be a limiting factor. That's why +it's required to specify which data-rate is supported on current SoC or FPGA. +For example if only 10 Mbit/s is supported (10BASE-T) set "10". If 100 Mbit/s is +supported (100BASE-TX) set "100". +- phy: PHY device attached to the EMAC via MDIO bus + +Child nodes of the driver are the individual PHY devices connected to the +MDIO bus. They must have a "reg" property given the PHY address on the MDIO bus. + +Optional properties: +- mac-address: 6 bytes, mac address + +Examples: + + ethernet@c0fc2000 { + compatible = "snps,arc-emac"; + reg = <0xc0fc2000 0x3c>; + interrupts = <6>; + mac-address = [ 00 11 22 33 44 55 ]; + clock-frequency = <80000000>; + max-speed = <100>; + phy = <&phy0>; + + #address-cells = <1>; + #size-cells = <0>; + phy0: ethernet-phy@0 { + reg = <1>; + }; + }; |