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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/nxp,lpc1850-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: NXP LPC18xx/43xx GPIO controller
maintainers:
- Frank Li <Frank.Li@nxp.com>
properties:
compatible:
const: nxp,lpc1850-gpio
reg:
minItems: 1
maxItems: 4
reg-names:
minItems: 1
items:
- const: gpio
- const: gpio-pin-ic
- const: gpio-group0-ic
- const: gpio-gpoup1-ic
clocks:
maxItems: 1
resets:
maxItems: 1
gpio-controller: true
'#gpio-cells':
const: 2
interrupt-controller: true
'#interrupt-cells':
const: 2
description: |
- The first cell is an interrupt number within
0..9 range, for GPIO pin interrupts it is equal
to 'nxp,gpio-pin-interrupt' property value of
GPIO pin configuration, 8 is for GPIO GROUP0
interrupt, 9 is for GPIO GROUP1 interrupt
- The second cell is used to specify interrupt type
gpio-ranges: true
required:
- compatible
- reg
- clocks
- gpio-controller
- '#gpio-cells'
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/lpc18xx-ccu.h>
gpio@400f4000 {
compatible = "nxp,lpc1850-gpio";
reg = <0x400f4000 0x4000>, <0x40087000 0x1000>,
<0x40088000 0x1000>, <0x40089000 0x1000>;
reg-names = "gpio", "gpio-pin-ic", "gpio-group0-ic", "gpio-gpoup1-ic";
clocks = <&ccu1 CLK_CPU_GPIO>;
resets = <&rgu 28>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
};
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