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Message-id: <00f801cf4275$e7e2a1b0$b7a7e510$@samsung.com>
Date: Mon, 17 Mar 2014 23:47:13 -0700
From: Byungho An <bh74.an@...sung.com>
To: netdev@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
devicetree@...r.kernel.org
Cc: davem@...emloft.net, ilho215.lee@...sung.com,
siva.kallam@...sung.com, vipul.pandya@...sung.com,
ks.giri@...sung.com
Subject: [PATCH V4 1/8] sxgbe: Add device-tree binding support document
From: Siva Reddy <siva.kallam@...sung.com>
This patch adds binding document for SXGBE ethernet driver via device-tree.
Signed-off-by: Siva Reddy Kallam <siva.kallam@...sung.com>
Signed-off-by: Byungho An <bh74.an@...sung.com>
---
.../devicetree/bindings/net/samsung-sxgbe.txt | 53
++++++++++++++++++++
1 file changed, 53 insertions(+)
create mode 100644 Documentation/devicetree/bindings/net/samsung-sxgbe.txt
diff --git a/Documentation/devicetree/bindings/net/samsung-sxgbe.txt
b/Documentation/devicetree/bindings/net/samsung-sxgbe.txt
new file mode 100644
index 0000000..ca27947
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/samsung-sxgbe.txt
@@ -0,0 +1,53 @@
+* Samsung 10G Ethernet driver (SXGBE)
+
+Required properties:
+- compatible: Should be "samsung,sxgbe-v2.0a"
+- reg: Address and length of the register set for the device
+- interrupt-parent: Should be the phandle for the interrupt controller
+ that services interrupts for this device
+- interrupts: Should contain the SXGBE interrupts
+ These interrupts are ordered by fixed and follows variable
+ trasmit DMA interrupts, receive DMA interrupts and lpi interrupt.
+ index 0 - this is fixed common interrupt of SXGBE and it is always
+ available.
+ index 1 to 25 - 8 variable trasmit interrupts, variable 16 receive
interrupts
+ and 1 optional lpi interrupt.
+- phy-mode: String, operation mode of the PHY interface.
+ Supported values are: "xaui", "gmii".
+- samsung,pbl: Integer, Programmable Burst Length.
+ Supported values are 1, 2, 4, 8, 16, or 32.
+- samsung,fixed-burst: Boolean, Program the DMA to use the fixed burst mode
+- samsung,burst-map: Integer, Program the possible bursts supported by sxgbe
+ This is an interger and represents allowable DMA bursts when fixed burst.
+ Allowable range is 0x00-0x3F. This field is valid only when fixed burst is
+ enabled, otherwise ignored.
+- samsung,adv-addr-mode: Boolean, Program the DMA to use Enhanced address
mode.
+- samsung,force_thresh_dma_mode: Boolean, Force DMA to use the threshold mode
+ for both tx and rx
+- samsung,force_sf_dma_mode: Boolean, Force DMA to use the Store and Forward
+ mode for both tx and rx. This flag is ignored if force_thresh_dma_mode is
set.
+- samsung,phy-addr: Integer, Address of the PHY attached with SXGBE.
+
+Optional properties:
+- mac-address: 6 bytes, mac address
+
+Example:
+
+ aliases {
+ ethernet0 = <&sxgbe0>;
+ };
+
+ sxgbe0: ethernet@...40000 {
+ compatible = "samsung,sxgbe-v2.0a";
+ reg = <0 0x1a040000 0 0x10000>;
+ interrupt-parent = <&gic>;
+ interrupts = <0 209 4>, <0 185 4>, <0 186 4>, <0 187 4>,
+ <0 188 4>, <0 189 4>, <0 190 4>, <0 191 4>,
+ <0 192 4>, <0 193 4>, <0 194 4>, <0 195 4>,
+ <0 196 4>, <0 197 4>, <0 198 4>, <0 199 4>,
+ <0 200 4>, <0 201 4>, <0 202 4>, <0 203 4>,
+ <0 204 4>, <0 205 4>, <0 206 4>, <0 207 4>,
+ <0 208 4>, <0 210 4>;
+ mac-address = [000000000000]; /* Filled in by U-Boot */
+ phy-mode = "xaui";
+ };
--
1.7.10.4
--
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