[PATCH 3/6] DT: add documentation for spi-fc-test driver
From: Oleksij Rempel <hidden>
Date: 2016-03-01 14:43:17
Also in:
linux-spi
Subsystem:
open firmware and flattened device tree bindings, spi subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Mark Brown, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2016-03-02 · Re: [PATCH 3/6] DT: add documentation for spi-fc-test driver · fixed-term.Oleksij.Rempel <hidden>
- 2016-03-02 · Re: [PATCH 3/6] DT: add documentation for spi-fc-test driver · Mark Brown <hidden>
Signed-off-by: Oleksij Rempel <redacted> --- .../devicetree/bindings/spi/spi-fc-test.txt | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-fc-test.txt
diff --git a/Documentation/devicetree/bindings/spi/spi-fc-test.txt b/Documentation/devicetree/bindings/spi/spi-fc-test.txt
new file mode 100644
index 0000000..c1f14e8
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/spi-fc-test.txt@@ -0,0 +1,30 @@ +SPI-FC-TEST is a test driver to simulate slave +flow control from spi master. + +Required properties: + - compatible: should be set to "spi-fc-test" + - fc-gpio: spi device gpio input for flow control line. + - test-cs-in-gpio: chip select gpio input to emulate slave device + - test-fc-out-gpio: request gpio output to emulate slave device +Fallowing required properties are provided by spi framework. +See spi-bus.txt for more information. + - spi-fc-ready + - spi-fc-stop-ack + - spi-fc-request + +Example: +test-spi@0 { + status = "okay"; + reg = <0>; + compatible = "spi-fc-test"; + spi-max-frequency = <100000>; + spi-fc-ready; + spi-fc-request; + spi-fc-stop-ack; + pinctrl-names = "default"; + pinctrl-0 = <&spi_test_in_pins_bananapi>, <&spi_test_out_pins_bananapi>; + fc-gpio = <&pio 7 20 GPIO_ACTIVE_LOW>; /* request line, in IO-4, (PH20) */ + test-cs-in-gpio = <&pio 7 1 GPIO_ACTIVE_LOW>; /* RXD0, (PH1) */ + test-rq-out-gpio = <&pio 7 21 GPIO_ACTIVE_LOW>; /* IO-5, (PH21) */ +}; +
--
1.9.1
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