On Wed, Jul 12, 2017 at 02:24:14PM +0900, Anthony Kim wrote:
> The HiDeep touchscreen device is a capacitive multi-touch controller
> mainly for multi-touch supported devices use. It use I2C interface for
> communication to IC and provide axis X, Y, Z locations for ten finger
> touch through input event interface to userspace.
>
> It support the Crimson and the Lime two type IC. They are different
> the number of channel supported and FW size. But the working protocol
> is same.
>
> Signed-off-by: Anthony Kim <anthony.kim@xxxxxxxxxx>
> ---
> .../bindings/input/touchscreen/hideep.txt | 37 +
> .../devicetree/bindings/vendor-prefixes.txt | 1 +
> drivers/input/touchscreen/Kconfig | 32 +
> drivers/input/touchscreen/Makefile | 2 +
> drivers/input/touchscreen/hideep.h | 329 ++++++++
> drivers/input/touchscreen/hideep_core.c | 924 +++++++++++++++++++++
> drivers/input/touchscreen/hideep_dbg.c | 405 +++++++++
> drivers/input/touchscreen/hideep_dbg.h | 24 +
> drivers/input/touchscreen/hideep_isp.c | 584 +++++++++++++
> drivers/input/touchscreen/hideep_isp.h | 96 +++
> drivers/input/touchscreen/hideep_sysfs.c | 249 ++++++
> 11 files changed, 2683 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/input/touchscreen/hideep.txt
> create mode 100644 drivers/input/touchscreen/hideep.h
> create mode 100644 drivers/input/touchscreen/hideep_core.c
> create mode 100644 drivers/input/touchscreen/hideep_dbg.c
> create mode 100644 drivers/input/touchscreen/hideep_dbg.h
> create mode 100644 drivers/input/touchscreen/hideep_isp.c
> create mode 100644 drivers/input/touchscreen/hideep_isp.h
> create mode 100644 drivers/input/touchscreen/hideep_sysfs.c
>
> diff --git a/Documentation/devicetree/bindings/input/touchscreen/hideep.txt b/Documentation/devicetree/bindings/input/touchscreen/hideep.txt
> new file mode 100644
> index 0000000..5eb8c1d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/touchscreen/hideep.txt
> @@ -0,0 +1,37 @@
> +* HiDeep Finger and Stylus touchscreen controller
> +
> +Required properties:
> +- compatible : must be "hideep,hideep_ts".
See my reply on previous version.
> +- reg : I2C slave address, (e.g. 0x6C).
> +- interrupt-parent : Interrupt controller to which the chip is connected.
> +- interrupts : Interrupt to which the chip is connected.
> +
> +Optional properties:
> +- vdd-supply : It is the controller supply for controlling
> + main voltage(3.3V) through the regulator.
> +- vid-supply : It is the controller supply for controlling
> + IO voltage(1.8V) through the regulator.
> +- irq-gpios : Define for interrupt gpio pin.
> + It is to use for set interrupt type.
As mentioned in the last version, use "interrupts".
> +- reset-gpios : Define for reset gpio pin.
> + It is to use for reset IC.
> +- hideep,max_coords : Max value for axis X, Y, W, Z.
s/_/-/
> +
> +Example:
> +
> +i2c@00000000 {
> +
> + /* ... */
> +
> + touchscreen@6c {
> + compatible = "hideep,hideep_ts";
> + reg = <0x6c>;
> + interrupt-parent = <&gpx1>;
> + interrupts = <2>;
> + vdd-supply = <&ldo15_reg>";
> + vid-supply = <&ldo18_reg>;
> + irq-gpios = <&gpx1 2 0>;
> + reset-gpios = <&gpx1 5 0>;
> + hideep,max_coords = <1080 1920 65535 65535>;
> + };
> +};
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