On Thu, Jun 29, 2017 at 10:13:27AM +0800, Wang Yafei wrote:
> Signed-off-by: Wang Yafei <wangyafei@xxxxxxxxxx>
> ---
> since v1:
> - Change device properties name
> - Modified irq property format
> - Modified linux,keycode format
> - Modified panel configuration property name
> - Remove time-delay properties
> ---
> .../bindings/input/touchscreen/goodix-gtx5.txt | 61 ++++++++++++++++++++++
> 1 file changed, 61 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/input/touchscreen/goodix-gtx5.txt
>
> diff --git a/Documentation/devicetree/bindings/input/touchscreen/goodix-gtx5.txt b/Documentation/devicetree/bindings/input/touchscreen/goodix-gtx5.txt
> new file mode 100644
> index 0000000..9bb82c5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/touchscreen/goodix-gtx5.txt
> @@ -0,0 +1,61 @@
> +Device tree bindings for Goodix GTx5 series touchscreen controller
> +
> +Required properties:
> +
> +- compatible : Should be "goodix,gt7589"
> + or "goodix,gt8589"
> + or "goodix,gt9589"
> +- reg : I2C address of the chip. Should be 0x5d or 0x14
> +- interrupt-parent : Interrupt controller to which the chip is connected
> +- interrupts : Interrupt to which the chip is connected
> +- touchscreen-size-x : horizontal resolution of touchscreen(in pixels)
> +- touchscreen-size-y : vertical resolution of touchscreen(in pixels)
> +- touchscreen-max-id : panel supported max touch number.
> +- touchscreen-max-w : panel max width value.
Just "see touchscreen.txt" is fine for the description of common
properties.
> +
> +Optional properties:
> +- reset-gpios : reset gpio.
> +- touchscreen-swapped-x-y : swap x/y axis coordinates.
> +- linux,keycodes : Specifies an array of numeric keycode values to
> + be used for reporting button presses. The array can
> + contain up to 8 entries.
> +- goodix,normal-cfg-X : touch device normal config data, this config data is
> + touchpanel manufacturer related. normal-cfg-X, X
> + represent for a panel manufacturer, X is less than 10.
> +- vtouch-supply : power supply for the touch device.
> +
> +Example:
> +i2c@00000000 {
> + /* ... */
> +
> + gt8589@14 {
> + compatible = "goodix,gt8589";
> + reg = <0x14>;
> + interrupt-parent = <&msm_gpio>;
> + interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
> + vtouch-supply = <&pm8916_l15>;
> + reset-gpios = <&msm_gpio 12 0x0>;
> + touchscreen-max-id = <10>;
> + touchscreen-size-x = <400>;
> + touchscreen-size-y = <400>;
> + touchscreen-max-w = <400>;
> + linux,keycodes = <KEY_HOMEPAGE>, <KEY_MENU>, <KEY_BACK>;
> + goodix,normal-cfg-0 = [
> + 02 00 00 09 09 01 07 02 00 00 00 00 01 00 3C 00 07 07
> + 00 00 00 00 00 00 40 01 40 01 C8 00 96 00 F4 01 F4 01
> + F4 01 20 01 11 0A 0A 03 14 14 14 14 0A 0C 01 01 11 11
> + 11 00 14 14 14 14 14 14 14 14 14 00 00 0F 00 00 00 00
> + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> + 00 00 00 00 00 00 00 00 00 00 11 09 10 00 31 32 33 34
> + 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 CA 64 00
> + 00 00 00 00 00 00 09 00 13 00 00 00 00 00 00 00 00 00
> + 50 B0 19 00 19 00 05 00 00 00 00 0A 05 00 00 00 00 00
> + 01 00 FF 00 0B 06 0D 02 FF 04 05 03 07 01 08 0A 0E 11
> + 0F 10 09 13 0C 16 17 14 18 12 19 15 1D 1E 1C 1F 1B 20
> + 1A 2A 29 28 25 2B 27 21 FF 24 22 2C 26 23 FF 00 00 00
> + 00 00 00 00 00 00 00 00 00 00 00 00 80 80 80 80 80 80
> + 80 80 80 80 80 80 80 80 80 80 9F 22 01 AE];
> + };
> + };
> +}
> +
> --
> 2.7.4
>
> --
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