blob: 4b1a09acb98b7e59c61437221d95e2e2fff3c4d1 [file] [log] [blame]
# 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>;
};
...