netdev - [PATCH V2 net-next 1/5] amd-xgbe: AMD 10GbE device bindings documentation

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Message-ID: <20140604161206.6242.89015.stgit@tlendack-t1.amdoffice.net>
Date:	Wed, 4 Jun 2014 11:12:06 -0500
From:	Tom Lendacky <thomas.lendacky@....com>
To:	<netdev@...r.kernel.org>
CC:	<jcm@...hat.com>, <davem@...emloft.net>
Subject: [PATCH V2 net-next 1/5] amd-xgbe: AMD 10GbE device bindings
 documentation

This patch provides the documentation of the device bindings
for the AMD 10GbE platform driver.

Signed-off-by: Tom Lendacky <thomas.lendacky@....com>
---
 .../devicetree/bindings/net/amd-xgbe-phy.txt       |   17 ++++++++++
 Documentation/devicetree/bindings/net/amd-xgbe.txt |   34 ++++++++++++++++++++
 2 files changed, 51 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/amd-xgbe-phy.txt
 create mode 100644 Documentation/devicetree/bindings/net/amd-xgbe.txt

diff --git a/Documentation/devicetree/bindings/net/amd-xgbe-phy.txt b/Documentation/devicetree/bindings/net/amd-xgbe-phy.txt
new file mode 100644
index 0000000..cd821d0
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/amd-xgbe-phy.txt
@@ -0,0 +1,17 @@
+* AMD 10GbE PHY driver (amd-xgbe-phy)
+
+Required properties:
+- compatible: Should be "amd,xgbe-phy-seattle-v1a" and 
+  "ethernet-phy-ieee802.3-c45"
+- reg: Address and length of the register sets for the device
+   - SerDes Rx/Tx registers
+   - SerDes integration registers (1/2)
+   - SerDes integration registers (2/2)
+
+Example:
+	xgbe_phy@...40800 {
+		compatible = "amd,xgbe-phy-seattle-v1a", "ethernet-phy-ieee802.3-c45";
+		reg = <0 0xe1240800 0 0x00400>,
+		      <0 0xe1250000 0 0x00060>,
+		      <0 0xe1250080 0 0x00004>;
+	};
diff --git a/Documentation/devicetree/bindings/net/amd-xgbe.txt b/Documentation/devicetree/bindings/net/amd-xgbe.txt
new file mode 100644
index 0000000..ea0c790
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/amd-xgbe.txt
@@ -0,0 +1,34 @@
+* AMD 10GbE driver (amd-xgbe)
+
+Required properties:
+- compatible: Should be "amd,xgbe-seattle-v1a"
+- reg: Address and length of the register sets for the device
+   - MAC registers
+   - PCS registers
+- interrupt-parent: Should be the phandle for the interrupt controller
+  that services interrupts for this device
+- interrupts: Should contain the amd-xgbe interrupt
+- clocks: Should be the DMA clock for the amd-xgbe device (used for
+  calculating the correct Rx interrupt watchdog timer value on a DMA
+  channel for coalescing)
+- clock-names: Should be the name of the DMA clock, "dma_clk"
+- phy-handle: See ethernet.txt file in the same directory
+- phy-mode: See ethernet.txt file in the same directory
+
+Optional properties:
+- mac-address: mac address to be assigned to the device. Can be overridden
+  by UEFI.
+
+Example:
+	xgbe@...00000 {
+		compatible = "amd,xgbe-seattle-v1a";
+		reg = <0 0xe0700000 0 0x80000>,
+		      <0 0xe0780000 0 0x80000>;
+		interrupt-parent = <&gic>;
+		interrupts = <0 325 4>;
+		clocks = <&xgbe_clk>;
+		clock-names = "dma_clk";
+		phy-handle = <&phy>;
+		phy-mode = "xgmii";
+		mac-address = [ 02 a1 a2 a3 a4 a5 ];
+	};

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