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Diffstat (limited to 'Documentation/devicetree/bindings/phy/ti-phy-gmii-sel.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/phy/ti-phy-gmii-sel.txt | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/Documentation/devicetree/bindings/phy/ti-phy-gmii-sel.txt b/Documentation/devicetree/bindings/phy/ti-phy-gmii-sel.txt deleted file mode 100644 index 83b78c1c0644..000000000000 --- a/Documentation/devicetree/bindings/phy/ti-phy-gmii-sel.txt +++ /dev/null @@ -1,69 +0,0 @@ -CPSW Port's Interface Mode Selection PHY Tree Bindings ------------------------------------------------ - -TI am335x/am437x/dra7(am5)/dm814x CPSW3G Ethernet Subsystem supports -two 10/100/1000 Ethernet ports with selectable G/MII, RMII, and RGMII interfaces. -The interface mode is selected by configuring the MII mode selection register(s) -(GMII_SEL) in the System Control Module chapter (SCM). GMII_SEL register(s) and -bit fields placement in SCM are different between SoCs while fields meaning -is the same. - +--------------+ - +-------------------------------+ |SCM | - | CPSW | | +---------+ | - | +--------------------------------+gmii_sel | | - | | | | +---------+ | - | +----v---+ +--------+ | +--------------+ - | |Port 1..<--+-->GMII/MII<-------> - | | | | | | | - | +--------+ | +--------+ | - | | | - | | +--------+ | - | | | RMII <-------> - | +--> | | - | | +--------+ | - | | | - | | +--------+ | - | | | RGMII <-------> - | +--> | | - | +--------+ | - +-------------------------------+ - -CPSW Port's Interface Mode Selection PHY describes MII interface mode between -CPSW Port and Ethernet PHY which depends on Eth PHY and board configuration. - -CPSW Port's Interface Mode Selection PHY device should defined as child device -of SCM node (scm_conf) and can be attached to each CPSW port node using standard -PHY bindings (See phy/phy-bindings.txt). - -Required properties: -- compatible : Should be "ti,am3352-phy-gmii-sel" for am335x platform - "ti,dra7xx-phy-gmii-sel" for dra7xx/am57xx platform - "ti,am43xx-phy-gmii-sel" for am43xx platform - "ti,dm814-phy-gmii-sel" for dm814x platform - "ti,am654-phy-gmii-sel" for AM654x/J721E platform -- reg : Address and length of the register set for the device -- #phy-cells : must be 2. - cell 1 - CPSW port number (starting from 1) - cell 2 - RMII refclk mode - -Examples: - phy_gmii_sel: phy-gmii-sel { - compatible = "ti,am3352-phy-gmii-sel"; - reg = <0x650 0x4>; - #phy-cells = <2>; - }; - - mac: ethernet@4a100000 { - compatible = "ti,am335x-cpsw","ti,cpsw"; - ... - - cpsw_emac0: slave@4a100200 { - ... - phys = <&phy_gmii_sel 1 1>; - }; - - cpsw_emac1: slave@4a100300 { - ... - phys = <&phy_gmii_sel 2 1>; - }; - }; |