From: Siva Reddy <siva.kallam@xxxxxxxxxxx>
This patch adds binding document for SXGBE ethernet driver via device-tree.
Signed-off-by: Siva Reddy Kallam <siva.kallam@xxxxxxxxxxx>
Signed-off-by: Byungho An <bh74.an@xxxxxxxxxxx>
---
.../devicetree/bindings/net/samsung-sxgbe.txt | 60 ++++++++++++++++++++
1 file changed, 60 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..231acf8
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/samsung-sxgbe.txt
@@ -0,0 +1,60 @@
+* 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: "sgmii", "xgmii".
+- samsung,pbl: Integer, Programmable Burst Length.
+ Supported values are 1, 2, 4, 8, 16, or 32.
+- 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 0x01-0x3F. When this field is set fixed burst is enabled.
+ When fixed length is needed for burst mode, it can be set within allowable
+ range.
+- samsung,adv-addr-mode: Boolean, Program the DMA to use Enhanced address mode.
+ When enhanced address mode is needed, it can be set.
+- 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.
+
+Optional properties:
+- mac-address: 6 bytes, mac address
+- max-frame-size: Maximum Transfer Unit (IEEE defined MTU), rather
+ than the maximum frame size.
+
+Example:
+
+ aliases {
+ ethernet0 = <&sxgbe0>;
+ };
+
+ sxgbe0: ethernet@1a040000 {
+ 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>;
+ samsung,pbl = <0x08>
+ samsung,burst-map = <0x20>
+ samsung,adv-addr-mode = "true"
+ samsung,force-sf-dma-mode = "true"
+ mac-address = [ 00 11 22 33 44 55 ]; /* Filled in by U-Boot */
+ max-frame-size = <9000>;
+ phy-mode = "xgmii";
+ };
--
1.7.10.4
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