Signed-off-by: Joachim Eastwood <manabian@xxxxxxxxx>
---
.../devicetree/bindings/gpio/nxp,lpc1850-gpio.txt | 23 ++++++++++++++++++++++
1 file changed, 23 insertions(+)
create mode 100644 Documentation/devicetree/bindings/gpio/nxp,lpc1850-gpio.txt
diff --git a/Documentation/devicetree/bindings/gpio/nxp,lpc1850-gpio.txt b/Documentation/devicetree/bindings/gpio/nxp,lpc1850-gpio.txt
new file mode 100644
index 000000000000..9326873c887f
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/nxp,lpc1850-gpio.txt
@@ -0,0 +1,23 @@
+NXP LPC18xx/43xx GPIO controller Device Tree Bindings
+-----------------------------------------------------
+
+Required properties:
+- compatible : Should be "nxp,lpc1850-gpio"
+- reg : Address and length of the register set for the device
+- clocks : Clock specifier (see clock bindings for details)
+- gpio-controller : Marks the device node as a GPIO controller.
+- #gpio-cells : Should be two
+ - First cell is the GPIO line number
+ - Second cell is used to specify polarity
+
+Optional properties:
+- gpio-ranges : Mapping between GPIO and logic pin for pinctrl
+
+Examples:
+gpio: gpio@400f4000 {
+ compatible = "nxp,lpc1850-gpio";
+ reg = <0x400f4000 0x4000>;
+ clocks = <&ccu1 CLK_CPU_GPIO>;
+ gpio-controller;
+ #gpio-cells = <2>;
+}
--
1.8.0
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