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author | Jiri Kosina <jkosina@suse.cz> | 2014-11-20 14:42:02 +0100 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2014-11-20 14:42:02 +0100 |
commit | a02001086bbfb4da35d1228bebc2f1b442db455f (patch) | |
tree | 62ab47936cef06fd08657ca5b6cd1df98c19be57 /Documentation/devicetree/bindings/net/broadcom-mdio-unimac.txt | |
parent | eff264efeeb0898408e8c9df72d8a32621035bed (diff) | |
parent | fc14f9c1272f62c3e8d01300f52467c0d9af50f9 (diff) |
Merge Linus' tree to be be to apply submitted patches to newer code than
current trivial.git base
Diffstat (limited to 'Documentation/devicetree/bindings/net/broadcom-mdio-unimac.txt')
-rw-r--r-- | Documentation/devicetree/bindings/net/broadcom-mdio-unimac.txt | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/broadcom-mdio-unimac.txt b/Documentation/devicetree/bindings/net/broadcom-mdio-unimac.txt new file mode 100644 index 000000000000..ab0bb4247d14 --- /dev/null +++ b/Documentation/devicetree/bindings/net/broadcom-mdio-unimac.txt @@ -0,0 +1,39 @@ +* Broadcom UniMAC MDIO bus controller + +Required properties: +- compatible: should one from "brcm,genet-mdio-v1", "brcm,genet-mdio-v2", + "brcm,genet-mdio-v3", "brcm,genet-mdio-v4" or "brcm,unimac-mdio" +- reg: address and length of the regsiter set for the device, first one is the + base register, and the second one is optional and for indirect accesses to + larger than 16-bits MDIO transactions +- reg-names: name(s) of the register must be "mdio" and optional "mdio_indir_rw" +- #size-cells: must be 1 +- #address-cells: must be 0 + +Optional properties: +- interrupts: must be one if the interrupt is shared with the Ethernet MAC or + Ethernet switch this MDIO block is integrated from, or must be two, if there + are two separate interrupts, first one must be "mdio done" and second must be + for "mdio error" +- interrupt-names: must be "mdio_done_error" when there is a share interrupt fed + to this hardware block, or must be "mdio_done" for the first interrupt and + "mdio_error" for the second when there are separate interrupts + +Child nodes of this MDIO bus controller node are standard Ethernet PHY device +nodes as described in Documentation/devicetree/bindings/net/phy.txt + +Example: + +mdio@403c0 { + compatible = "brcm,unimac-mdio"; + reg = <0x403c0 0x8 0x40300 0x18>; + reg-names = "mdio", "mdio_indir_rw"; + #size-cells = <1>; + #address-cells = <0>; + + ... + phy@0 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <0>; + }; +}; |