mirror of
https://github.com/Evolution-X-Devices/kernel_xiaomi_sm8450-devicetrees
synced 2026-02-01 08:51:30 +00:00
b0e5152a74
Add devicetree bindings snapshot to the devicetree project.
This snapshot is taken as of the
'commit 5fba1b18cfc72e264e5f3ce49020ed322aa6ac9f ("Merge 5.6-rc3
into android-mainline")' of the kernel project.
Change-Id: Ia087ab2b7d4a2616ea446a69683a8b5b821d0448
90 lines
2.1 KiB
YAML
90 lines
2.1 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/input/fsl,mpr121-touchkey.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Freescale MPR121 capacitive touch sensor controller
|
|
|
|
maintainers:
|
|
- Dmitry Torokhov <dmitry.torokhov@gmail.com>
|
|
|
|
description: |
|
|
The MPR121 supports up to 12 completely independent electrodes/capacitance
|
|
sensing inputs in which 8 are multifunctional for LED driving and GPIO.
|
|
https://www.nxp.com/docs/en/data-sheet/MPR121.pdf
|
|
|
|
allOf:
|
|
- $ref: input.yaml#
|
|
|
|
anyOf:
|
|
- required: [ interrupts ]
|
|
- required: [ poll-interval ]
|
|
|
|
properties:
|
|
compatible:
|
|
const: fsl,mpr121-touchkey
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
interrupts:
|
|
maxItems: 1
|
|
|
|
vdd-supply:
|
|
maxItems: 1
|
|
|
|
linux,keycodes:
|
|
minItems: 1
|
|
maxItems: 12
|
|
|
|
wakeup-source:
|
|
description: Use any event on keypad as wakeup event.
|
|
type: boolean
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- vdd-supply
|
|
- linux,keycodes
|
|
|
|
examples:
|
|
- |
|
|
// Example with interrupts
|
|
#include "dt-bindings/input/input.h"
|
|
i2c {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
mpr121@5a {
|
|
compatible = "fsl,mpr121-touchkey";
|
|
reg = <0x5a>;
|
|
interrupt-parent = <&gpio1>;
|
|
interrupts = <28 2>;
|
|
autorepeat;
|
|
vdd-supply = <&ldo4_reg>;
|
|
linux,keycodes = <KEY_0>, <KEY_1>, <KEY_2>, <KEY_3>,
|
|
<KEY_4>, <KEY_5>, <KEY_6>, <KEY_7>,
|
|
<KEY_8>, <KEY_9>, <KEY_A>, <KEY_B>;
|
|
};
|
|
};
|
|
|
|
- |
|
|
// Example with polling
|
|
#include "dt-bindings/input/input.h"
|
|
i2c {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
mpr121@5a {
|
|
compatible = "fsl,mpr121-touchkey";
|
|
reg = <0x5a>;
|
|
poll-interval = <20>;
|
|
autorepeat;
|
|
vdd-supply = <&ldo4_reg>;
|
|
linux,keycodes = <KEY_0>, <KEY_1>, <KEY_2>, <KEY_3>,
|
|
<KEY_4>, <KEY_5>, <KEY_6>, <KEY_7>,
|
|
<KEY_8>, <KEY_9>, <KEY_A>, <KEY_B>;
|
|
};
|
|
};
|