[PATCH v5 15/17] dt-bindings: qca7000: append UART interface to binding
From: Stefan Wahren <hidden>
Date: 2017-05-10 08:58:09
Also in:
linux-devicetree, linux-serial, lkml
Subsystem:
networking drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
This merges the serdev binding for the QCA7000 UART driver (Ethernet over UART) into the existing document. Signed-off-by: Stefan Wahren <redacted> --- .../devicetree/bindings/net/qca-qca7000.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/qca-qca7000.txt b/Documentation/devicetree/bindings/net/qca-qca7000.txt
index a37f656..08364c3 100644
--- a/Documentation/devicetree/bindings/net/qca-qca7000.txt
+++ b/Documentation/devicetree/bindings/net/qca-qca7000.txt@@ -54,3 +54,35 @@ ssp2: spi@80014000 { local-mac-address = [ A0 B0 C0 D0 E0 F0 ]; }; }; + +(b) Ethernet over UART + +In order to use the QCA7000 as UART slave it must be defined as a child of a +UART master in the device tree. It is possible to preconfigure the UART +settings of the QCA7000 firmware, but it's not possible to change them during +runtime. + +Required properties: +- compatible : Should be "qca,qca7000-uart" + +Optional properties: +- local-mac-address : see ./ethernet.txt +- current-speed : current baud rate of QCA7000 which defaults to 115200 + if absent, see also ../serial/slave-device.txt + +UART Example: + +/* Freescale i.MX28 UART */ +auart0: serial@8006a000 { + compatible = "fsl,imx28-auart", "fsl,imx23-auart"; + reg = <0x8006a000 0x2000>; + pinctrl-names = "default"; + pinctrl-0 = <&auart0_2pins_a>; + status = "okay"; + + qca7000: ethernet { + compatible = "qca,qca7000-uart"; + local-mac-address = [ A0 B0 C0 D0 E0 F0 ]; + current-speed = <38400>; + }; +};
--
2.1.4