[PATCH 06/22] gpio: add DT bindings for Cortina Gemini GPIO
From: Linus Walleij <hidden>
Date: 2017-01-22 12:19:25
Also in:
linux-devicetree, linux-gpio, lkml
Subsystem:
gpio subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Linus Walleij, Bartosz Golaszewski, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
This adds fairly standard DT bindings for the Cortina Systems Gemini GPIO controller. Cc: Janos Laube <redacted> Cc: Paulius Zaleckas <redacted> Cc: Hans Ulli Kroll <ulli.kroll@googlemail.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: devicetree at vger.kernel.org Signed-off-by: Linus Walleij <redacted> --- Note to self: just apply this to the GPIO tree when discussion is over. --- .../bindings/gpio/cortina,gemini-gpio.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/cortina,gemini-gpio.txt
diff --git a/Documentation/devicetree/bindings/gpio/cortina,gemini-gpio.txt b/Documentation/devicetree/bindings/gpio/cortina,gemini-gpio.txt
new file mode 100644
index 000000000000..5c9246c054e5
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/cortina,gemini-gpio.txt@@ -0,0 +1,24 @@ +Cortina Systems Gemini GPIO Controller + +Required properties: + +- compatible : Must be "cortina,gemini-gpio" +- reg : Should contain registers location and length +- interrupts : Should contain the interrupt line for the GPIO block +- gpio-controller : marks this as a GPIO controller +- #gpio-cells : Should be 2, see gpio/gpio.txt +- interrupt-controller : marks this as an interrupt controller +- #interrupt-cells : a standard two-cell interrupt flag, see + interrupt-controller/interrupts.txt + +Example: + +gpio at 4d000000 { + compatible = "cortina,gemini-gpio"; + reg = <0x4d000000 0x100>; + interrupts = <22 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; +};
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2.9.3