1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/gpio/blaize,blzp1600-gpio.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Blaize BLZP1600 GPIO controller 8 9description: 10 Blaize BLZP1600 GPIO controller is an implementation of the VeriSilicon 11 APB GPIO v0.2 IP block. It has 32 ports each of which are intended to be 12 represented as child nodes with the generic GPIO-controller properties 13 as described in this binding's file. 14 15maintainers: 16 - Nikolaos Pasaloukos <nikolaos.pasaloukos@blaize.com> 17 - James Cowgill <james.cowgill@blaize.com> 18 - Matt Redfearn <matt.redfearn@blaize.com> 19 - Neil Jones <neil.jones@blaize.com> 20 21properties: 22 $nodename: 23 pattern: "^gpio@[0-9a-f]+$" 24 25 compatible: 26 enum: 27 - blaize,blzp1600-gpio 28 29 reg: 30 maxItems: 1 31 32 gpio-controller: true 33 34 '#gpio-cells': 35 const: 2 36 37 ngpios: 38 default: 32 39 minimum: 1 40 maximum: 32 41 42 interrupts: 43 maxItems: 1 44 45 gpio-line-names: true 46 47 interrupt-controller: true 48 49 '#interrupt-cells': 50 const: 2 51 52required: 53 - compatible 54 - reg 55 - gpio-controller 56 - '#gpio-cells' 57 58dependencies: 59 interrupt-controller: [ interrupts ] 60 61additionalProperties: false 62 63examples: 64 - | 65 #include <dt-bindings/interrupt-controller/arm-gic.h> 66 67 gpio: gpio@4c0000 { 68 compatible = "blaize,blzp1600-gpio"; 69 reg = <0x004c0000 0x1000>; 70 gpio-controller; 71 #gpio-cells = <2>; 72 ngpios = <32>; 73 interrupt-controller; 74 #interrupt-cells = <2>; 75 interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>; 76 }; 77... 78