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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---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)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 contact17 or 3-point contact keys. The KPP is designed to simplify the software task18 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-kpp25 - items:26 - enum:27 - fsl,imx25-kpp28 - fsl,imx27-kpp29 - fsl,imx31-kpp30 - fsl,imx35-kpp31 - fsl,imx51-kpp32 - fsl,imx53-kpp33 - fsl,imx50-kpp34 - fsl,imx6q-kpp35 - fsl,imx6sx-kpp36 - fsl,imx6sl-kpp37 - fsl,imx6sll-kpp38 - fsl,imx6ul-kpp39 - fsl,imx7d-kpp40 - const: fsl,imx21-kpp41 42 reg:43 maxItems: 144 45 interrupts:46 maxItems: 147 48 clocks:49 maxItems: 150 51required:52 - compatible53 - reg54 - interrupts55 - clocks56 - linux,keymap57 58unevaluatedProperties: false59 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