1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/input/gpio-mouse.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: GPIO attached mouse 8 9description: | 10 This simply uses standard GPIO handles to define a simple mouse connected 11 to 5-7 GPIO lines. 12 13maintainers: 14 - Anshul Dalal <anshulusr@gmail.com> 15 16properties: 17 compatible: 18 const: gpio-mouse 19 20 scan-interval-ms: 21 maxItems: 1 22 23 up-gpios: 24 maxItems: 1 25 26 down-gpios: 27 maxItems: 1 28 29 left-gpios: 30 maxItems: 1 31 32 right-gpios: 33 maxItems: 1 34 35 button-left-gpios: 36 maxItems: 1 37 38 button-middle-gpios: 39 maxItems: 1 40 41 button-right-gpios: 42 maxItems: 1 43 44required: 45 - compatible 46 - scan-interval-ms 47 - up-gpios 48 - down-gpios 49 - left-gpios 50 - right-gpios 51 52additionalProperties: false 53 54examples: 55 - | 56 #include <dt-bindings/gpio/gpio.h> 57 58 gpio-mouse { 59 compatible = "gpio-mouse"; 60 scan-interval-ms = <50>; 61 up-gpios = <&gpio0 0 GPIO_ACTIVE_LOW>; 62 down-gpios = <&gpio0 1 GPIO_ACTIVE_LOW>; 63 left-gpios = <&gpio0 2 GPIO_ACTIVE_LOW>; 64 right-gpios = <&gpio0 3 GPIO_ACTIVE_LOW>; 65 button-left-gpios = <&gpio0 4 GPIO_ACTIVE_LOW>; 66 button-middle-gpios = <&gpio0 5 GPIO_ACTIVE_LOW>; 67 button-right-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>; 68 }; 69