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Diffstat (limited to 'Documentation/devicetree/bindings/net/davinci-mdio.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/net/davinci-mdio.txt | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/davinci-mdio.txt b/Documentation/devicetree/bindings/net/davinci-mdio.txt new file mode 100644 index 000000000..e6527de80 --- /dev/null +++ b/Documentation/devicetree/bindings/net/davinci-mdio.txt @@ -0,0 +1,36 @@ +TI SoC Davinci/Keystone2 MDIO Controller Device Tree Bindings +--------------------------------------------------- + +Required properties: +- compatible : Should be "ti,davinci_mdio" + and "ti,keystone_mdio" for Keystone 2 SoCs + and "ti,cpsw-mdio" for am335x, am472x, am57xx/dra7, dm814x SoCs + and "ti,am4372-mdio" for am472x SoC +- reg : physical base address and size of the davinci mdio + registers map +- bus_freq : Mdio Bus frequency + +Optional properties: +- ti,hwmods : Must be "davinci_mdio" + +Note: "ti,hwmods" field is used to fetch the base address and irq +resources from TI, omap hwmod data base during device registration. +Future plan is to migrate hwmod data base contents into device tree +blob so that, all the required data will be used from device tree dts +file. + +Examples: + + mdio: davinci_mdio@4a101000 { + compatible = "ti,davinci_mdio"; + reg = <0x4A101000 0x1000>; + bus_freq = <1000000>; + }; + +(or) + + mdio: davinci_mdio@4a101000 { + compatible = "ti,davinci_mdio"; + ti,hwmods = "davinci_mdio"; + bus_freq = <1000000>; + }; |