1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/input/imx-keypad.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Freescale i.MX Keypad Port(KPP) device tree bindings 8 9maintainers: 10 - Liu Ying <gnuiyl@gmail.com> 11 12allOf: 13 - $ref: "/schemas/input/matrix-keymap.yaml#" 14 15description: | 16 The KPP is designed to interface with a keypad matrix with 2-point contact 17 or 3-point contact keys. The KPP is designed to simplify the software task 18 of scanning a keypad matrix. The KPP is capable of detecting, debouncing, 19 and decoding one or multiple keys pressed simultaneously on a keypad. 20 21properties: 22 compatible: 23 oneOf: 24 - const: fsl,imx21-kpp 25 - items: 26 - enum: 27 - fsl,imx25-kpp 28 - fsl,imx27-kpp 29 - fsl,imx31-kpp 30 - fsl,imx35-kpp 31 - fsl,imx51-kpp 32 - fsl,imx53-kpp 33 - fsl,imx50-kpp 34 - fsl,imx6q-kpp 35 - fsl,imx6sx-kpp 36 - fsl,imx6sl-kpp 37 - fsl,imx6sll-kpp 38 - fsl,imx6ul-kpp 39 - fsl,imx7d-kpp 40 - const: fsl,imx21-kpp 41 42 reg: 43 maxItems: 1 44 45 interrupts: 46 maxItems: 1 47 48 clocks: 49 maxItems: 1 50 51required: 52 - compatible 53 - reg 54 - interrupts 55 - clocks 56 - linux,keymap 57 58unevaluatedProperties: false 59 60examples: 61 - | 62 keypad@73f94000 { 63 compatible = "fsl,imx51-kpp", "fsl,imx21-kpp"; 64 reg = <0x73f94000 0x4000>; 65 interrupts = <60>; 66 clocks = <&clks 0>; 67 pinctrl-names = "default"; 68 pinctrl-0 = <&pinctrl_kpp_1>; 69 linux,keymap = <0x00000067 /* KEY_UP */ 70 0x0001006c /* KEY_DOWN */ 71 0x00020072 /* KEY_VOLUMEDOWN */ 72 0x00030066 /* KEY_HOME */ 73 0x0100006a /* KEY_RIGHT */ 74 0x01010069 /* KEY_LEFT */ 75 0x0102001c /* KEY_ENTER */ 76 0x01030073 /* KEY_VOLUMEUP */ 77 0x02000040 /* KEY_F6 */ 78 0x02010042 /* KEY_F8 */ 79 0x02020043 /* KEY_F9 */ 80 0x02030044 /* KEY_F10 */ 81 0x0300003b /* KEY_F1 */ 82 0x0301003c /* KEY_F2 */ 83 0x0302003d /* KEY_F3 */ 84 0x03030074>; /* KEY_POWER */ 85 }; 86