[PATCH 4/6] arcnet: com20020: bindings for smsc com20020

[Andrea Greco]

From: Andrea Greco <a.greco@xxxxxxxxx>

Add devicetree bindings for smsc com20020

Signed-off-by: Andrea Greco <a.greco@xxxxxxxxx>
---
 .../devicetree/bindings/net/smsc-com20020.txt       | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/smsc-com20020.txt

diff --git a/Documentation/devicetree/bindings/net/smsc-com20020.txt b/Documentation/devicetree/bindings/net/smsc-com20020.txt
new file mode 100644
index 000000000000..660a4a751f29
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/smsc-com20020.txt
@@ -0,0 +1,21 @@
+SMSC com20020 Arcnet network controller
+
+Required property:
+- timeout-ns: Arcnet bus timeout, Idle Time (328000 - 20500)
+- bus-speed-bps: Arcnet bus speed (10000000 - 156250)
+- smsc,xtal-mhz: External oscillator frequency
+- smsc,backplane-enabled: Controller use backplane mode
+- reset-gpios: Chip reset pin
+- interrupts: Should contain controller interrupt
+
+arcnet@28000000 {
+	compatible = "smsc,com20020";
+
+	timeout-ns = <20500>;
+	bus-speed-hz = <10000000>;
+	smsc,xtal-mhz = <20>;
+	smsc,backplane-enabled;
+
+	reset-gpios = <&gpio3 21 GPIO_ACTIVE_LOW>;
+	interrupts = <&gpio2 10 GPIO_ACTIVE_LOW>;
+};
-- 
2.14.4