Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/mfd/allwinner,sun4i-a10-ts.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Allwinner A10 Resistive Touchscreen Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Chen-Yu Tsai <wens@csie.org> |
| 11 | - Maxime Ripard <mripard@kernel.org> |
| 12 | |
| 13 | properties: |
| 14 | "#thermal-sensor-cells": |
| 15 | const: 0 |
| 16 | |
| 17 | compatible: |
| 18 | enum: |
| 19 | - allwinner,sun4i-a10-ts |
| 20 | - allwinner,sun5i-a13-ts |
| 21 | - allwinner,sun6i-a31-ts |
| 22 | |
| 23 | reg: |
| 24 | maxItems: 1 |
| 25 | |
| 26 | interrupts: |
| 27 | maxItems: 1 |
| 28 | |
| 29 | allwinner,ts-attached: |
| 30 | $ref: /schemas/types.yaml#/definitions/flag |
| 31 | description: A touchscreen is attached to the controller |
| 32 | |
| 33 | allwinner,tp-sensitive-adjust: |
| 34 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 35 | minimum: 0 |
| 36 | maximum: 15 |
| 37 | default: 15 |
| 38 | |
| 39 | description: Sensitivity of pen down detection |
| 40 | |
| 41 | allwinner,filter-type: |
| 42 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 43 | minimum: 0 |
| 44 | maximum: 3 |
| 45 | default: 1 |
| 46 | |
| 47 | description: | |
| 48 | Select median and averaging filter. Sample used for median / |
| 49 | averaging filter: |
| 50 | 0: 4/2 |
| 51 | 1: 5/3 |
| 52 | 2: 8/4 |
| 53 | 3: 16/8 |
| 54 | |
| 55 | required: |
| 56 | - "#thermal-sensor-cells" |
| 57 | - compatible |
| 58 | - reg |
| 59 | - interrupts |
| 60 | |
| 61 | additionalProperties: false |
| 62 | |
| 63 | examples: |
| 64 | - | |
| 65 | rtp: rtp@1c25000 { |
| 66 | compatible = "allwinner,sun4i-a10-ts"; |
| 67 | reg = <0x01c25000 0x100>; |
| 68 | interrupts = <29>; |
| 69 | allwinner,ts-attached; |
| 70 | #thermal-sensor-cells = <0>; |
| 71 | /* sensitive/noisy touch panel */ |
| 72 | allwinner,tp-sensitive-adjust = <0>; |
| 73 | allwinner,filter-type = <3>; |
| 74 | }; |
| 75 | |
| 76 | ... |