Re: [PATCH 1/2] Documentation: Device Tree binding information for gpio-joy driver
From: Mark Rutland <hidden>
Date: 2015-02-06 10:53:36
Also in:
linux-devicetree
On Fri, Feb 06, 2015 at 09:32:01AM +0000, Hans Holmberg wrote:
quoted hunk
This document describes the Device Tree bindings for the gpio-joy driver. Signed-off-by: Hans Holmberg <redacted> --- .../devicetree/bindings/input/gpio-joy.txt | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/gpio-joy.txtdiff --git a/Documentation/devicetree/bindings/input/gpio-joy.txt b/Documentation/devicetree/bindings/input/gpio-joy.txt new file mode 100644 index 0000000..ef8ad09 --- /dev/null +++ b/Documentation/devicetree/bindings/input/gpio-joy.txt@@ -0,0 +1,29 @@ +Device-Tree bindings for input/joystick/gpio_joy.c joystick driver + +This driver can be used for connecting i.e. C64 and Atari joysticks.
The binding should be for a class of hardware, not for a driver. Please describe the class of hardware the binding represents, and remove references to the Linux driver.
+Required properties: + - compatible = "gpio-joy";
That does not strike me as a very informative compatible string. At the least, s/joy/joystick/.
+ + - left-gpio : gpio connected to the "left" joystick signal + - right-gpio : gpio connected to the "right" joystick signal + - up-gpio : gpio connected to the "up" joystick signal + - down-gpio : gpio connected to the "down" joystick signal + - button-gpio : gpio connected to the "button" joystick signal
Only one button? Thanks, Mark.
+ See OF device-tree gpio specification.
+
+Optional properties:
+ - debounce-interval-ms: debounce interval in milliseconds for connected pins
+ Default is 10 milliseconds
+
+Example node:
+
+joystick {
+ compatible = "gpio-joy";
+ left-gpio = <&gpio 24 GPIO_ACTIVE_LOW>;
+ right-gpio = <&gpio 10 GPIO_ACTIVE_LOW>;
+ up-gpio = <&gpio 3 GPIO_ACTIVE_LOW>;
+ down-gpio = <&gpio 27 GPIO_ACTIVE_LOW>;
+ button-gpio = <&gpio 2 GPIO_ACTIVE_LOW>;
+};
+
--
1.9.1
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