153 lines
3.4 KiB
YAML
153 lines
3.4 KiB
YAML
|
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
|
||
|
|
%YAML 1.2
|
||
|
|
---
|
||
|
|
$id: "http://devicetree.org/schemas/input/microchip,cap11xx.yaml#"
|
||
|
|
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
|
||
|
|
|
||
|
|
title: Microchip CAP11xx based capacitive touch sensors
|
||
|
|
|
||
|
|
description: |
|
||
|
|
The Microchip CAP1xxx Family of RightTouchTM multiple-channel capacitive
|
||
|
|
touch controllers and LED drivers. The device communication via I2C only.
|
||
|
|
|
||
|
|
maintainers:
|
||
|
|
- Rob Herring <robh@kernel.org>
|
||
|
|
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
enum:
|
||
|
|
- microchip,cap1106
|
||
|
|
- microchip,cap1126
|
||
|
|
- microchip,cap1188
|
||
|
|
- microchip,cap1203
|
||
|
|
- microchip,cap1206
|
||
|
|
- microchip,cap1293
|
||
|
|
- microchip,cap1298
|
||
|
|
|
||
|
|
reg:
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
'#address-cells':
|
||
|
|
const: 1
|
||
|
|
|
||
|
|
'#size-cells':
|
||
|
|
const: 0
|
||
|
|
|
||
|
|
interrupts:
|
||
|
|
maxItems: 1
|
||
|
|
description: |
|
||
|
|
Property describing the interrupt line the
|
||
|
|
device's ALERT#/CM_IRQ# pin is connected to.
|
||
|
|
The device only has one interrupt source.
|
||
|
|
|
||
|
|
autorepeat:
|
||
|
|
description: |
|
||
|
|
Enables the Linux input system's autorepeat feature on the input device.
|
||
|
|
|
||
|
|
linux,keycodes:
|
||
|
|
minItems: 6
|
||
|
|
maxItems: 6
|
||
|
|
description: |
|
||
|
|
Specifies an array of numeric keycode values to
|
||
|
|
be used for the channels. If this property is
|
||
|
|
omitted, KEY_A, KEY_B, etc are used as defaults.
|
||
|
|
The array must have exactly six entries.
|
||
|
|
|
||
|
|
microchip,sensor-gain:
|
||
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
||
|
|
default: 1
|
||
|
|
enum: [1, 2, 4, 8]
|
||
|
|
description: |
|
||
|
|
Defines the gain of the sensor circuitry. This
|
||
|
|
effectively controls the sensitivity, as a
|
||
|
|
smaller delta capacitance is required to
|
||
|
|
generate the same delta count values.
|
||
|
|
|
||
|
|
microchip,irq-active-high:
|
||
|
|
type: boolean
|
||
|
|
description: |
|
||
|
|
By default the interrupt pin is active low
|
||
|
|
open drain. This property allows using the active
|
||
|
|
high push-pull output.
|
||
|
|
|
||
|
|
patternProperties:
|
||
|
|
"^led@[0-7]$":
|
||
|
|
type: object
|
||
|
|
description: CAP11xx LEDs
|
||
|
|
$ref: /schemas/leds/common.yaml#
|
||
|
|
|
||
|
|
properties:
|
||
|
|
reg:
|
||
|
|
enum: [0, 1, 2, 3, 4, 5, 6, 7]
|
||
|
|
|
||
|
|
label: true
|
||
|
|
|
||
|
|
linux,default-trigger: true
|
||
|
|
|
||
|
|
default-state: true
|
||
|
|
|
||
|
|
required:
|
||
|
|
- reg
|
||
|
|
|
||
|
|
additionalProperties: false
|
||
|
|
|
||
|
|
allOf:
|
||
|
|
- $ref: input.yaml
|
||
|
|
- if:
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
contains:
|
||
|
|
enum:
|
||
|
|
- microchip,cap1106
|
||
|
|
then:
|
||
|
|
patternProperties:
|
||
|
|
"^led@[0-7]$": false
|
||
|
|
|
||
|
|
required:
|
||
|
|
- compatible
|
||
|
|
- interrupts
|
||
|
|
|
||
|
|
additionalProperties: false
|
||
|
|
|
||
|
|
examples:
|
||
|
|
- |
|
||
|
|
i2c {
|
||
|
|
#address-cells = <1>;
|
||
|
|
#size-cells = <0>;
|
||
|
|
|
||
|
|
touch@28 {
|
||
|
|
compatible = "microchip,cap1188";
|
||
|
|
interrupt-parent = <&gpio1>;
|
||
|
|
interrupts = <0 0>;
|
||
|
|
reg = <0x28>;
|
||
|
|
autorepeat;
|
||
|
|
microchip,sensor-gain = <2>;
|
||
|
|
|
||
|
|
linux,keycodes = <103>, /* KEY_UP */
|
||
|
|
<106>, /* KEY_RIGHT */
|
||
|
|
<108>, /* KEY_DOWN */
|
||
|
|
<105>, /* KEY_LEFT */
|
||
|
|
<109>, /* KEY_PAGEDOWN */
|
||
|
|
<104>; /* KEY_PAGEUP */
|
||
|
|
|
||
|
|
#address-cells = <1>;
|
||
|
|
#size-cells = <0>;
|
||
|
|
|
||
|
|
led@0 {
|
||
|
|
label = "cap11xx:green:usr0";
|
||
|
|
reg = <0>;
|
||
|
|
};
|
||
|
|
|
||
|
|
led@1 {
|
||
|
|
label = "cap11xx:green:usr1";
|
||
|
|
reg = <1>;
|
||
|
|
};
|
||
|
|
|
||
|
|
led@2 {
|
||
|
|
label = "cap11xx:green:alive";
|
||
|
|
reg = <2>;
|
||
|
|
linux,default-trigger = "heartbeat";
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|