| Message ID | 20170925163430.22397-3-linus.walleij@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | None | expand |
On Mon, Sep 25, 2017 at 06:34:28PM +0200, Linus Walleij wrote: > This adds DT bindings for simple mice attached to GPIO lines. > As the properties are very general and pertains to all mice I > can think of, we use very generic names for the 4-7 GPIO lines, > "up", "down" etc. > > Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no> > Cc: devicetree@vger.kernel.org > Signed-off-by: Linus Walleij <linus.walleij@linaro.org> > --- > ChangeLog v1->v2: > - Collect Hand-Christian's ACK > - Uses 5-7 lines rather than 4-7 lines > - Add suffix "-ms" to the scan interval property > - Fix compatible string in the example > --- > .../devicetree/bindings/input/gpio-mouse.txt | 32 ++++++++++++++++++++++ > 1 file changed, 32 insertions(+) > create mode 100644 Documentation/devicetree/bindings/input/gpio-mouse.txt Acked-by: Rob Herring <robh@kernel.org> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/input/gpio-mouse.txt b/Documentation/devicetree/bindings/input/gpio-mouse.txt new file mode 100644 index 000000000000..519510a11af9 --- /dev/null +++ b/Documentation/devicetree/bindings/input/gpio-mouse.txt @@ -0,0 +1,32 @@ +Device-Tree bindings for GPIO attached mice + +This simply uses standard GPIO handles to define a simple mouse connected +to 5-7 GPIO lines. + +Required properties: + - compatible: must be "gpio-mouse" + - scan-interval-ms: The scanning interval in milliseconds + - up-gpios: GPIO line phandle to the line indicating "up" + - down-gpios: GPIO line phandle to the line indicating "down" + - left-gpios: GPIO line phandle to the line indicating "left" + - right-gpios: GPIO line phandle to the line indicating "right" + +Optional properties: + - button-left-gpios: GPIO line handle to the left mouse button + - button-middle-gpios: GPIO line handle to the middle mouse button + - button-right-gpios: GPIO line handle to the right mouse button +Example: + +#include <dt-bindings/gpio/gpio.h> + +gpio-mouse { + compatible = "gpio-mouse"; + scan-interval-ms = <50>; + up-gpios = <&gpio0 0 GPIO_ACTIVE_LOW>; + down-gpios = <&gpio0 1 GPIO_ACTIVE_LOW>; + left-gpios = <&gpio0 2 GPIO_ACTIVE_LOW>; + right-gpios = <&gpio0 3 GPIO_ACTIVE_LOW>; + button-left-gpios = <&gpio0 4 GPIO_ACTIVE_LOW>; + button-middle-gpios = <&gpio0 5 GPIO_ACTIVE_LOW>; + button-right-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>; +};