diff options
Diffstat (limited to 'Documentation/devicetree')
5 files changed, 61 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/net/allwinner,sun7i-a20-gmac.txt b/Documentation/devicetree/bindings/net/allwinner,sun7i-a20-gmac.txt new file mode 100644 index 000000000000..ea4d752389a2 --- /dev/null +++ b/Documentation/devicetree/bindings/net/allwinner,sun7i-a20-gmac.txt @@ -0,0 +1,27 @@ +* Allwinner GMAC ethernet controller + +This device is a platform glue layer for stmmac. +Please see stmmac.txt for the other unchanged properties. + +Required properties: + - compatible: Should be "allwinner,sun7i-a20-gmac" + - clocks: Should contain the GMAC main clock, and tx clock + The tx clock type should be "allwinner,sun7i-a20-gmac-clk" + - clock-names: Should contain the clock names "stmmaceth", + and "allwinner_gmac_tx" + +Optional properties: +- phy-supply: phandle to a regulator if the PHY needs one + +Examples: + + gmac: ethernet@01c50000 { + compatible = "allwinner,sun7i-a20-gmac"; + reg = <0x01c50000 0x10000>, + <0x01c20164 0x4>; + interrupts = <0 85 1>; + interrupt-names = "macirq"; + clocks = <&ahb_gates 49>, <&gmac_tx>; + clock-names = "stmmaceth", "allwinner_gmac_tx"; + phy-mode = "mii"; + }; diff --git a/Documentation/devicetree/bindings/net/can/microchip,mcp251x.txt b/Documentation/devicetree/bindings/net/can/microchip,mcp251x.txt new file mode 100644 index 000000000000..ee3723beb701 --- /dev/null +++ b/Documentation/devicetree/bindings/net/can/microchip,mcp251x.txt @@ -0,0 +1,25 @@ +* Microchip MCP251X stand-alone CAN controller device tree bindings + +Required properties: + - compatible: Should be one of the following: + - "microchip,mcp2510" for MCP2510. + - "microchip,mcp2515" for MCP2515. + - reg: SPI chip select. + - clocks: The clock feeding the CAN controller. + - interrupt-parent: The parent interrupt controller. + - interrupts: Should contain IRQ line for the CAN controller. + +Optional properties: + - vdd-supply: Regulator that powers the CAN controller. + - xceiver-supply: Regulator that powers the CAN transceiver. + +Example: + can0: can@1 { + compatible = "microchip,mcp2515"; + reg = <1>; + clocks = <&clk24m>; + interrupt-parent = <&gpio4>; + interrupts = <13 0x2>; + vdd-supply = <®5v0>; + xceiver-supply = <®5v0>; + }; diff --git a/Documentation/devicetree/bindings/net/davinci_emac.txt b/Documentation/devicetree/bindings/net/davinci_emac.txt index bad381faf036..ca0911a20e8b 100644 --- a/Documentation/devicetree/bindings/net/davinci_emac.txt +++ b/Documentation/devicetree/bindings/net/davinci_emac.txt @@ -12,8 +12,6 @@ Required properties: - ti,davinci-ctrl-ram-size: size of control module ram - ti,davinci-rmii-en: use RMII - ti,davinci-no-bd-ram: has the emac controller BD RAM -- phy-handle: Contains a phandle to an Ethernet PHY. - if not, davinci_emac driver defaults to 100/FULL - interrupts: interrupt mapping for the davinci emac interrupts sources: 4 sources: <Receive Threshold Interrupt Receive Interrupt @@ -21,6 +19,8 @@ Required properties: Miscellaneous Interrupt> Optional properties: +- phy-handle: Contains a phandle to an Ethernet PHY. + If absent, davinci_emac driver defaults to 100/FULL. - local-mac-address : 6 bytes, mac address Example (enbw_cmc board): diff --git a/Documentation/devicetree/bindings/net/phy.txt b/Documentation/devicetree/bindings/net/phy.txt index 85de6107b98f..58307d0931c8 100644 --- a/Documentation/devicetree/bindings/net/phy.txt +++ b/Documentation/devicetree/bindings/net/phy.txt @@ -19,6 +19,7 @@ Optional Properties: specifications. If neither of these are specified, the default is to assume clause 22. The compatible list may also contain other elements. +- max-speed: Maximum PHY supported speed (10, 100, 1000...) Example: diff --git a/Documentation/devicetree/bindings/net/stmmac.txt b/Documentation/devicetree/bindings/net/stmmac.txt index eba0e5e59ebe..9d92d42140f2 100644 --- a/Documentation/devicetree/bindings/net/stmmac.txt +++ b/Documentation/devicetree/bindings/net/stmmac.txt @@ -12,7 +12,6 @@ Required properties: property - phy-mode: String, operation mode of the PHY interface. Supported values are: "mii", "rmii", "gmii", "rgmii". -- snps,phy-addr phy address to connect to. - snps,reset-gpio gpio number for phy reset. - snps,reset-active-low boolean flag to indicate if phy reset is active low. - snps,reset-delays-us is triplet of delays @@ -30,6 +29,11 @@ Required properties: Optional properties: - mac-address: 6 bytes, mac address +- resets: Should contain a phandle to the STMMAC reset signal, if any +- reset-names: Should contain the reset signal name "stmmaceth", if a + reset phandle is given +- max-frame-size: Maximum Transfer Unit (IEEE defined MTU), rather + than the maximum frame size. Examples: @@ -40,5 +44,6 @@ Examples: interrupts = <24 23>; interrupt-names = "macirq", "eth_wake_irq"; mac-address = [000000000000]; /* Filled in by U-Boot */ + max-frame-size = <3800>; phy-mode = "gmii"; }; |