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authorH. Peter Anvin <hpa@linux.intel.com>2014-05-21 15:23:19 -0700
committerH. Peter Anvin <hpa@linux.intel.com>2014-05-21 15:23:19 -0700
commite6ab9a20e73e790d47e6aa231fcf66f27b6ce3d4 (patch)
tree6a41361e1de2a6693ccae96b99307e79a467236f /Documentation/devicetree/bindings/net/arc_emac.txt
parent34273f41d57ee8d854dcd2a1d754cbb546cb548f (diff)
parent7ed6fb9b5a5510e4ef78ab27419184741169978a (diff)
Merge commit '7ed6fb9b5a5510e4ef78ab27419184741169978a' into x86/espfix
Merge in Linus' tree with: fa81511bb0bb x86-64, modify_ldt: Make support for 16-bit segments a runtime option ... reverted, to avoid a conflict. This commit is no longer necessary with the proper fix in place. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'Documentation/devicetree/bindings/net/arc_emac.txt')
-rw-r--r--Documentation/devicetree/bindings/net/arc_emac.txt12
1 files changed, 10 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/net/arc_emac.txt b/Documentation/devicetree/bindings/net/arc_emac.txt
index 7fbb027218a..a1d71eb43b2 100644
--- a/Documentation/devicetree/bindings/net/arc_emac.txt
+++ b/Documentation/devicetree/bindings/net/arc_emac.txt
@@ -4,11 +4,15 @@ Required properties:
- compatible: Should be "snps,arc-emac"
- reg: Address and length of the register set for the device
- interrupts: Should contain the EMAC interrupts
-- clock-frequency: CPU frequency. It is needed to calculate and set polling
-period of EMAC.
- max-speed: see ethernet.txt file in the same directory.
- phy: see ethernet.txt file in the same directory.
+Clock handling:
+The clock frequency is needed to calculate and set polling period of EMAC.
+It must be provided by one of:
+- clock-frequency: CPU frequency.
+- clocks: reference to the clock supplying the EMAC.
+
Child nodes of the driver are the individual PHY devices connected to the
MDIO bus. They must have a "reg" property given the PHY address on the MDIO bus.
@@ -19,7 +23,11 @@ Examples:
reg = <0xc0fc2000 0x3c>;
interrupts = <6>;
mac-address = [ 00 11 22 33 44 55 ];
+
clock-frequency = <80000000>;
+ /* or */
+ clocks = <&emac_clock>;
+
max-speed = <100>;
phy = <&phy0>;