On Fri, 24 Feb 2017, yegorslists@xxxxxxxxxxxxxx wrote:
> From: Yegor Yefremov <yegorslists@xxxxxxxxxxxxxx>
>
> Provide description for following properties:
>
> - ti,poll-period
> - ti,min-pressure
> - ti,vendor
> - ti,product
> - ti,version
>
> Signed-off-by: Yegor Yefremov <yegorslists@xxxxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/mfd/tps6507x.txt | 30 ++++++++++++++++++++--
> 1 file changed, 28 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/mfd/tps6507x.txt b/Documentation/devicetree/bindings/mfd/tps6507x.txt
> index 8fffa3c..eb654ef 100644
> --- a/Documentation/devicetree/bindings/mfd/tps6507x.txt
> +++ b/Documentation/devicetree/bindings/mfd/tps6507x.txt
> @@ -1,4 +1,8 @@
> -TPS6507x Power Management Integrated Circuit
> +TPS6507x Multifunctional Device.
> +
> +Features provided by TPS6507x:
> + 1. Power Management Integrated Circuit.
> + 2. Touch-Screen.
>
> Required properties:
> - compatible: "ti,tps6507x"
> @@ -30,6 +34,23 @@ Regulator Optional properties:
> 1: If defdcdc pin of DCDC2/DCDC3 is driven HIGH.
> If this property is not defined, it defaults to 0 (not enabled).
>
> +Touchscreen Optional properties:
> +- ti,poll-period: Time at which touch input is getting sampled in ms.
> + Default value: 30 ms.
> +- ti,min-pressure: Minimum pressure value to trigger touch.
> + Default value: 0x30.
> + This property has to be a '/bits/ 16' value
> +
> +Entries below describe the input_id structure [1] for the touch device:
> +- ti,vendor: Touchscreen vendor id.
> + This property has to be a '/bits/ 16' value
> +- ti,product: Touchscreen product id.
> + This property has to be a '/bits/ 16' value
> +- ti,version: Touchscreen version id.
> + This property has to be a '/bits/ 16' value
> +
> +[1] include/uapi/linux/input.h
> +
I think this should live in the touchscreen binding doc.
> Example:
>
> pmu: tps6507x@48 {
> @@ -40,6 +61,12 @@ Example:
> vindcdc3-supply = <...>;
> vinldo1_2-supply = <...>;
>
> + ti,poll-period = <30>;
> + ti,min-pressure = /bits/ 16 <0x30>;
> + ti,vendor = /bits/ 16 <0>;
> + ti,product = /bits/ 16 <65070>;
> + ti,version = /bits/ 16 <0x100>;
> +
> regulators {
> #address-cells = <1>;
> #size-cells = <0>;
> @@ -87,5 +114,4 @@ Example:
> regulator-boot-on;
> };
> };
> -
> };
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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