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authorMarkus Pargmann <mpa@pengutronix.de>2014-09-29 08:53:17 +0200
committerDavid S. Miller <davem@davemloft.net>2014-09-30 01:30:43 -0400
commit0ba517b18aac0ed747b0f0716ca87cedaa8e5491 (patch)
tree10a9589527dbc58271740f8cdab67ce9b3bcbc36 /Documentation
parent56fdb2e04697c06b0af421cece0f360087af9cd1 (diff)
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net: cpsw: Add am33xx MACID readout
This patch adds a function to get the MACIDs from the am33xx SoC control module registers which hold unique vendor MACIDs. This is only used if of_get_mac_address() fails to get a valid mac address. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Reviewed-by: Wolfram Sang <wsa@the-dreams.de> Tested-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/net/cpsw.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/cpsw.txt b/Documentation/devicetree/bindings/net/cpsw.txt
index 107caf174a0e..33fe8462edf4 100644
--- a/Documentation/devicetree/bindings/net/cpsw.txt
+++ b/Documentation/devicetree/bindings/net/cpsw.txt
@@ -24,6 +24,8 @@ Optional properties:
- ti,hwmods : Must be "cpgmac0"
- no_bd_ram : Must be 0 or 1
- 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
Slave Properties:
Required properties:
@@ -57,6 +59,7 @@ Examples:
active_slave = <0>;
cpts_clock_mult = <0x80000000>;
cpts_clock_shift = <29>;
+ syscon = <&cm>;
cpsw_emac0: slave@0 {
phy_id = <&davinci_mdio>, <0>;
phy-mode = "rgmii-txid";
@@ -85,6 +88,7 @@ Examples:
active_slave = <0>;
cpts_clock_mult = <0x80000000>;
cpts_clock_shift = <29>;
+ syscon = <&cm>;
cpsw_emac0: slave@0 {
phy_id = <&davinci_mdio>, <0>;
phy-mode = "rgmii-txid";