These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / net / cpsw.txt

diff --git a/kernel/Documentation/devicetree/bindings/net/cpsw.txt b/kernel/Documentation/devicetree/bindings/net/cpsw.txt
index 33fe846..28a4781 100644 (file)
--- 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.