[PATCH 1/2] stmmac: Add binding document for IMG Pistachio DWMAC

[Andrew Bresticker]

Add a binding document for the DWMAC ethernet controller found on the
IMG Pistachio SoC.

Signed-off-by: Andrew Bresticker <abrestic@xxxxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Pawel Moll <pawel.moll@xxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx>
Cc: Kumar Gala <galak@xxxxxxxxxxxxxx>
Cc: James Hartley <james.hartley@xxxxxxxxxx>
---
 .../devicetree/bindings/net/pistachio-dwmac.txt    | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/pistachio-dwmac.txt

diff --git a/Documentation/devicetree/bindings/net/pistachio-dwmac.txt b/Documentation/devicetree/bindings/net/pistachio-dwmac.txt
new file mode 100644
index 0000000..9781469
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/pistachio-dwmac.txt
@@ -0,0 +1,24 @@
+IMG Pistachio Ethernet Controller
+=================================
+
+This device is a variant of the DWMAC and inherits the properties described
+in ./stmmac.txt.
+
+Required properties:
+--------------------
+ - compatible: Must contain "img,pistachio-dwmac" and "snps,dwmac".
+ - clocks: Must contain an entry for each entry in clock-names.
+   See ../clock/clock-bindings.txt for details.
+ - clock-names: Must include "stmmaceth" and "sys".
+
+Example:
+--------
+ethernet@18140000 {
+	compatible = "img,pistachio-dwmac";
+	reg = <0x18140000 0x2000>;
+	interrupts = <GIC_SHARED 50 IRQ_TYPE_LEVEL_HIGH>;
+	interrupt-names = "macirq";
+	clocks = <&clk_core CLK_ENET>, <&cr_periph SYS_CLK_ENET>;
+	clock-names = "stmmaceth", "sys";
+	phy-mode = "rmii";
+};
-- 
2.2.0.rc0.207.ga3a616c

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