On Fri, Jun 24, 2016 at 03:44:44PM -0400, Anthony Felice wrote:
> Add driver for the Vybrid Tower CRTouch-based touchscreen. This is
> required for the touchscreen on the TWR-LCD-RGB to work on the Vybrid
> Tower platform.
>
> There is a known issue with this driver: rarely, SW1 on the TWR-LCD-RGB
> module needs to be pressed in order for the touchscreen to begin
> functioning.
>
> Signed-off-by: Anthony Felice <tony.felice@xxxxxxxxxxx>
> ---
> .../bindings/input/touchscreen/crtouch_ts.txt | 14 ++
> drivers/input/touchscreen/Kconfig | 10 +
> drivers/input/touchscreen/Makefile | 1 +
> drivers/input/touchscreen/crtouch_ts.c | 279 +++++++++++++++++++++
> 4 files changed, 304 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/input/touchscreen/crtouch_ts.txt
> create mode 100644 drivers/input/touchscreen/crtouch_ts.c
>
> diff --git a/Documentation/devicetree/bindings/input/touchscreen/crtouch_ts.txt b/Documentation/devicetree/bindings/input/touchscreen/crtouch_ts.txt
> new file mode 100644
> index 0000000..cfb966c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/touchscreen/crtouch_ts.txt
> @@ -0,0 +1,14 @@
> +* Freescale CRTOUCH based touchscreen
> +
> +Required Properties:
> +- compatible must be fsl,crtouch_ts
> +- reg: I2C address of the touchscreen
> +- irq-gpio: GPIO to use as event IRQ
> +
> +Example:
> +
> + touch: crtouch@49 {
touchscreen@49
> + compatible = "fsl,crtouch_ts";
Use '-', not '_'.
> + reg = <0x49>;
> + irq-gpio = <&gpio0 21 GPIO_ACTIVE_HIGH>;
As Dmitry said.
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