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

[Andrew Bresticker <abrestic-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>]

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

Signed-off-by: Andrew Bresticker <abrestic-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
Cc: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>
Cc: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>
Cc: Ian Campbell <ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>
Cc: Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Cc: James Hartley <james.hartley-1AXoQHu6uovQT0dZR+AlfA@public.gmane.org>
---
 .../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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