18c2ecf20Sopenharmony_ci# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 28c2ecf20Sopenharmony_ci%YAML 1.2 38c2ecf20Sopenharmony_ci--- 48c2ecf20Sopenharmony_ci$id: http://devicetree.org/schemas/input/fsl,mpr121-touchkey.yaml# 58c2ecf20Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml# 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_cititle: Freescale MPR121 capacitive touch sensor controller 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_cimaintainers: 108c2ecf20Sopenharmony_ci - Dmitry Torokhov <dmitry.torokhov@gmail.com> 118c2ecf20Sopenharmony_ci 128c2ecf20Sopenharmony_cidescription: | 138c2ecf20Sopenharmony_ci The MPR121 supports up to 12 completely independent electrodes/capacitance 148c2ecf20Sopenharmony_ci sensing inputs in which 8 are multifunctional for LED driving and GPIO. 158c2ecf20Sopenharmony_ci https://www.nxp.com/docs/en/data-sheet/MPR121.pdf 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ciallOf: 188c2ecf20Sopenharmony_ci - $ref: input.yaml# 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_cianyOf: 218c2ecf20Sopenharmony_ci - required: [ interrupts ] 228c2ecf20Sopenharmony_ci - required: [ poll-interval ] 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_ciproperties: 258c2ecf20Sopenharmony_ci compatible: 268c2ecf20Sopenharmony_ci const: fsl,mpr121-touchkey 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_ci reg: 298c2ecf20Sopenharmony_ci maxItems: 1 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ci interrupts: 328c2ecf20Sopenharmony_ci maxItems: 1 338c2ecf20Sopenharmony_ci 348c2ecf20Sopenharmony_ci vdd-supply: 358c2ecf20Sopenharmony_ci maxItems: 1 368c2ecf20Sopenharmony_ci 378c2ecf20Sopenharmony_ci linux,keycodes: 388c2ecf20Sopenharmony_ci minItems: 1 398c2ecf20Sopenharmony_ci maxItems: 12 408c2ecf20Sopenharmony_ci 418c2ecf20Sopenharmony_ci wakeup-source: 428c2ecf20Sopenharmony_ci description: Use any event on keypad as wakeup event. 438c2ecf20Sopenharmony_ci type: boolean 448c2ecf20Sopenharmony_ci 458c2ecf20Sopenharmony_cirequired: 468c2ecf20Sopenharmony_ci - compatible 478c2ecf20Sopenharmony_ci - reg 488c2ecf20Sopenharmony_ci - vdd-supply 498c2ecf20Sopenharmony_ci - linux,keycodes 508c2ecf20Sopenharmony_ci 518c2ecf20Sopenharmony_ciunevaluatedProperties: false 528c2ecf20Sopenharmony_ci 538c2ecf20Sopenharmony_ciexamples: 548c2ecf20Sopenharmony_ci - | 558c2ecf20Sopenharmony_ci // Example with interrupts 568c2ecf20Sopenharmony_ci #include "dt-bindings/input/input.h" 578c2ecf20Sopenharmony_ci i2c { 588c2ecf20Sopenharmony_ci #address-cells = <1>; 598c2ecf20Sopenharmony_ci #size-cells = <0>; 608c2ecf20Sopenharmony_ci 618c2ecf20Sopenharmony_ci mpr121@5a { 628c2ecf20Sopenharmony_ci compatible = "fsl,mpr121-touchkey"; 638c2ecf20Sopenharmony_ci reg = <0x5a>; 648c2ecf20Sopenharmony_ci interrupt-parent = <&gpio1>; 658c2ecf20Sopenharmony_ci interrupts = <28 2>; 668c2ecf20Sopenharmony_ci autorepeat; 678c2ecf20Sopenharmony_ci vdd-supply = <&ldo4_reg>; 688c2ecf20Sopenharmony_ci linux,keycodes = <KEY_0>, <KEY_1>, <KEY_2>, <KEY_3>, 698c2ecf20Sopenharmony_ci <KEY_4>, <KEY_5>, <KEY_6>, <KEY_7>, 708c2ecf20Sopenharmony_ci <KEY_8>, <KEY_9>, <KEY_A>, <KEY_B>; 718c2ecf20Sopenharmony_ci }; 728c2ecf20Sopenharmony_ci }; 738c2ecf20Sopenharmony_ci 748c2ecf20Sopenharmony_ci - | 758c2ecf20Sopenharmony_ci // Example with polling 768c2ecf20Sopenharmony_ci #include "dt-bindings/input/input.h" 778c2ecf20Sopenharmony_ci i2c { 788c2ecf20Sopenharmony_ci #address-cells = <1>; 798c2ecf20Sopenharmony_ci #size-cells = <0>; 808c2ecf20Sopenharmony_ci 818c2ecf20Sopenharmony_ci mpr121@5a { 828c2ecf20Sopenharmony_ci compatible = "fsl,mpr121-touchkey"; 838c2ecf20Sopenharmony_ci reg = <0x5a>; 848c2ecf20Sopenharmony_ci poll-interval = <20>; 858c2ecf20Sopenharmony_ci autorepeat; 868c2ecf20Sopenharmony_ci vdd-supply = <&ldo4_reg>; 878c2ecf20Sopenharmony_ci linux,keycodes = <KEY_0>, <KEY_1>, <KEY_2>, <KEY_3>, 888c2ecf20Sopenharmony_ci <KEY_4>, <KEY_5>, <KEY_6>, <KEY_7>, 898c2ecf20Sopenharmony_ci <KEY_8>, <KEY_9>, <KEY_A>, <KEY_B>; 908c2ecf20Sopenharmony_ci }; 918c2ecf20Sopenharmony_ci }; 92