diff options
Diffstat (limited to 'kernel/Documentation/devicetree/bindings/net/cpsw.txt')
| -rw-r--r-- | kernel/Documentation/devicetree/bindings/net/cpsw.txt | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/kernel/Documentation/devicetree/bindings/net/cpsw.txt b/kernel/Documentation/devicetree/bindings/net/cpsw.txt index 33fe8462e..28a4781ab 100644 --- a/kernel/Documentation/devicetree/bindings/net/cpsw.txt +++ b/kernel/Documentation/devicetree/bindings/net/cpsw.txt @@ -2,7 +2,11 @@ TI SoC Ethernet Switch Controller Device Tree Bindings ------------------------------------------------------ Required properties: -- compatible : Should be "ti,cpsw" +- compatible : Should be one of the below:- + "ti,cpsw" for backward compatible + "ti,am335x-cpsw" for AM335x controllers + "ti,am4372-cpsw" for AM437x controllers + "ti,dra7-cpsw" for DRA7x controllers - reg : physical base address and size of the cpsw registers map - interrupts : property with a value describing the interrupt @@ -26,15 +30,28 @@ Optional properties: - dual_emac : Specifies Switch to act as Dual EMAC - syscon : Phandle to the system control device node, which is the control module device of the am33x +- mode-gpios : Should be added if one/multiple gpio lines are + required to be driven so that cpsw data lines + can be connected to the phy via selective mux. + For example in dra72x-evm, pcf gpio has to be + driven low so that cpsw slave 0 and phy data + lines are connected via mux. + Slave Properties: Required properties: -- phy_id : Specifies slave phy id - phy-mode : See ethernet.txt file in the same directory Optional properties: - dual_emac_res_vlan : Specifies VID to be used to segregate the ports - mac-address : See ethernet.txt file in the same directory +- phy_id : Specifies slave phy id +- phy-handle : See ethernet.txt file in the same directory + +Slave sub-nodes: +- fixed-link : See fixed-link.txt file in the same directory + Either the property phy_id, or the sub-node + fixed-link can be specified Note: "ti,hwmods" field is used to fetch the base address and irq resources from TI, omap hwmod data base during device registration. |