xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/mfd/allwinner,sun4i-a10-ts.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/mfd/allwinner,sun4i-a10-ts.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Allwinner A10 Resistive Touchscreen Controller Device Tree Bindings
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Chen-Yu Tsai <wens@csie.org>
11*4882a593Smuzhiyun  - Maxime Ripard <mripard@kernel.org>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyunproperties:
14*4882a593Smuzhiyun  "#thermal-sensor-cells":
15*4882a593Smuzhiyun    const: 0
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun  compatible:
18*4882a593Smuzhiyun    enum:
19*4882a593Smuzhiyun      - allwinner,sun4i-a10-ts
20*4882a593Smuzhiyun      - allwinner,sun5i-a13-ts
21*4882a593Smuzhiyun      - allwinner,sun6i-a31-ts
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun  reg:
24*4882a593Smuzhiyun    maxItems: 1
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun  interrupts:
27*4882a593Smuzhiyun    maxItems: 1
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun  allwinner,ts-attached:
30*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/flag
31*4882a593Smuzhiyun    description: A touchscreen is attached to the controller
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun  allwinner,tp-sensitive-adjust:
34*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/uint32
35*4882a593Smuzhiyun    minimum: 0
36*4882a593Smuzhiyun    maximum: 15
37*4882a593Smuzhiyun    default: 15
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun    description: Sensitivity of pen down detection
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun  allwinner,filter-type:
42*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/uint32
43*4882a593Smuzhiyun    minimum: 0
44*4882a593Smuzhiyun    maximum: 3
45*4882a593Smuzhiyun    default: 1
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun    description: |
48*4882a593Smuzhiyun      Select median and averaging filter. Sample used for median /
49*4882a593Smuzhiyun      averaging filter:
50*4882a593Smuzhiyun        0: 4/2
51*4882a593Smuzhiyun        1: 5/3
52*4882a593Smuzhiyun        2: 8/4
53*4882a593Smuzhiyun        3: 16/8
54*4882a593Smuzhiyun
55*4882a593Smuzhiyunrequired:
56*4882a593Smuzhiyun  - "#thermal-sensor-cells"
57*4882a593Smuzhiyun  - compatible
58*4882a593Smuzhiyun  - reg
59*4882a593Smuzhiyun  - interrupts
60*4882a593Smuzhiyun
61*4882a593SmuzhiyunadditionalProperties: false
62*4882a593Smuzhiyun
63*4882a593Smuzhiyunexamples:
64*4882a593Smuzhiyun  - |
65*4882a593Smuzhiyun    rtp: rtp@1c25000 {
66*4882a593Smuzhiyun        compatible = "allwinner,sun4i-a10-ts";
67*4882a593Smuzhiyun        reg = <0x01c25000 0x100>;
68*4882a593Smuzhiyun        interrupts = <29>;
69*4882a593Smuzhiyun        allwinner,ts-attached;
70*4882a593Smuzhiyun        #thermal-sensor-cells = <0>;
71*4882a593Smuzhiyun        /* sensitive/noisy touch panel */
72*4882a593Smuzhiyun        allwinner,tp-sensitive-adjust = <0>;
73*4882a593Smuzhiyun        allwinner,filter-type = <3>;
74*4882a593Smuzhiyun    };
75*4882a593Smuzhiyun
76*4882a593Smuzhiyun...
77