1# SPDX-License-Identifier: GPL-2.0 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/gpio/fsl-imx-gpio.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Freescale i.MX/MXC GPIO controller 8 9maintainers: 10 - Anson Huang <Anson.Huang@nxp.com> 11 12properties: 13 compatible: 14 oneOf: 15 - enum: 16 - fsl,imx1-gpio 17 - fsl,imx21-gpio 18 - fsl,imx31-gpio 19 - fsl,imx35-gpio 20 - fsl,imx7d-gpio 21 - items: 22 - const: fsl,imx35-gpio 23 - const: fsl,imx31-gpio 24 - items: 25 - enum: 26 - fsl,imx50-gpio 27 - fsl,imx51-gpio 28 - fsl,imx53-gpio 29 - fsl,imx6q-gpio 30 - fsl,imx6sl-gpio 31 - fsl,imx6sll-gpio 32 - fsl,imx6sx-gpio 33 - fsl,imx6ul-gpio 34 - fsl,imx7d-gpio 35 - fsl,imx8mm-gpio 36 - fsl,imx8mn-gpio 37 - fsl,imx8mp-gpio 38 - fsl,imx8mq-gpio 39 - fsl,imx8qxp-gpio 40 - const: fsl,imx35-gpio 41 42 reg: 43 maxItems: 1 44 45 interrupts: 46 description: | 47 Should be the port interrupt shared by all 32 pins, if one number. 48 If two numbers, the first one is the interrupt shared by low 16 pins 49 and the second one is for high 16 pins. 50 minItems: 1 51 maxItems: 2 52 53 interrupt-controller: true 54 55 "#interrupt-cells": 56 const: 2 57 58 clocks: 59 maxItems: 1 60 61 "#gpio-cells": 62 const: 2 63 64 gpio-controller: true 65 66 gpio-ranges: true 67 68 power-domains: 69 maxItems: 1 70 71patternProperties: 72 "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$": 73 type: object 74 properties: 75 gpio-hog: true 76 gpios: true 77 input: true 78 output-high: true 79 output-low: true 80 line-name: true 81 82 required: 83 - gpio-hog 84 - gpios 85 86 additionalProperties: false 87 88required: 89 - compatible 90 - reg 91 - interrupts 92 - interrupt-controller 93 - "#interrupt-cells" 94 - "#gpio-cells" 95 - gpio-controller 96 97additionalProperties: false 98 99examples: 100 - | 101 gpio0: gpio@73f84000 { 102 compatible = "fsl,imx35-gpio"; 103 reg = <0x73f84000 0x4000>; 104 interrupts = <50 51>; 105 gpio-controller; 106 #gpio-cells = <2>; 107 interrupt-controller; 108 #interrupt-cells = <2>; 109 }; 110 111... 112