1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/gpio/microchip,mpfs-gpio.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Microchip MPFS GPIO Controller 8 9maintainers: 10 - Conor Dooley <conor.dooley@microchip.com> 11 12properties: 13 compatible: 14 items: 15 - enum: 16 - microchip,mpfs-gpio 17 18 reg: 19 maxItems: 1 20 21 interrupts: 22 description: 23 Interrupt mapping, one per GPIO. Maximum 32 GPIOs. 24 minItems: 1 25 maxItems: 32 26 27 interrupt-controller: true 28 29 clocks: 30 maxItems: 1 31 32 "#gpio-cells": 33 const: 2 34 35 "#interrupt-cells": 36 const: 1 37 38 ngpios: 39 description: 40 The number of GPIOs available. 41 minimum: 1 42 maximum: 32 43 default: 32 44 45 gpio-controller: true 46 47required: 48 - compatible 49 - reg 50 - interrupts 51 - "#interrupt-cells" 52 - interrupt-controller 53 - "#gpio-cells" 54 - gpio-controller 55 - clocks 56 57additionalProperties: false 58 59examples: 60 - | 61 gpio@20122000 { 62 compatible = "microchip,mpfs-gpio"; 63 reg = <0x20122000 0x1000>; 64 clocks = <&clkcfg 25>; 65 interrupt-parent = <&plic>; 66 gpio-controller; 67 #gpio-cells = <2>; 68 interrupt-controller; 69 #interrupt-cells = <1>; 70 interrupts = <53>, <53>, <53>, <53>, 71 <53>, <53>, <53>, <53>, 72 <53>, <53>, <53>, <53>, 73 <53>, <53>, <53>, <53>, 74 <53>, <53>, <53>, <53>, 75 <53>, <53>, <53>, <53>, 76 <53>, <53>, <53>, <53>, 77 <53>, <53>, <53>, <53>; 78 }; 79... 80