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

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Message-Id: <20180611142705.20849-1-andrea.greco.gapmilano@gmail.com>
Date:   Mon, 11 Jun 2018 16:27:01 +0200
From:   Andrea Greco <andrea.greco.gapmilano@...il.com>
To:     davem@...emloft.net
Cc:     tobin@...orbit.com, Andrea Greco <a.greco@...gma.it>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 4/6] arcnet: com20020: bindings for smsc com20020

From: Andrea Greco <a.greco@...gma.it>

Add devicetree bindings for smsc com20020

Signed-off-by: Andrea Greco <a.greco@...gma.it>
---
 .../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@...00000 {
+	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