| # SPDX-License-Identifier: GPL-2.0 |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/mfd/allwinner,sun4i-a10-ts.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Allwinner A10 Resistive Touchscreen Controller Device Tree Bindings |
| |
| maintainers: |
| - Chen-Yu Tsai <wens@csie.org> |
| - Maxime Ripard <maxime.ripard@bootlin.com> |
| |
| properties: |
| "#thermal-sensor-cells": |
| const: 0 |
| |
| compatible: |
| enum: |
| - allwinner,sun4i-a10-ts |
| - allwinner,sun5i-a13-ts |
| - allwinner,sun6i-a31-ts |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| maxItems: 1 |
| |
| allwinner,ts-attached: |
| $ref: /schemas/types.yaml#/definitions/flag |
| description: A touchscreen is attached to the controller |
| |
| allwinner,tp-sensitive-adjust: |
| allOf: |
| - $ref: /schemas/types.yaml#/definitions/uint32 |
| - minimum: 0 |
| maximum: 15 |
| default: 15 |
| description: Sensitivity of pen down detection |
| |
| allwinner,filter-type: |
| allOf: |
| - $ref: /schemas/types.yaml#/definitions/uint32 |
| - minimum: 0 |
| maximum: 3 |
| default: 1 |
| description: | |
| Select median and averaging filter. Sample used for median / |
| averaging filter: |
| 0: 4/2 |
| 1: 5/3 |
| 2: 8/4 |
| 3: 16/8 |
| |
| required: |
| - "#thermal-sensor-cells" |
| - compatible |
| - reg |
| - interrupts |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| rtp: rtp@1c25000 { |
| compatible = "allwinner,sun4i-a10-ts"; |
| reg = <0x01c25000 0x100>; |
| interrupts = <29>; |
| allwinner,ts-attached; |
| #thermal-sensor-cells = <0>; |
| /* sensitive/noisy touch panel */ |
| allwinner,tp-sensitive-adjust = <0>; |
| allwinner,filter-type = <3>; |
| }; |
| |
| ... |
