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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/sifive,gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: SiFive GPIO controller
maintainers:
- Yash Shah <yash.shah@sifive.com>
- Paul Walmsley <paul.walmsley@sifive.com>
properties:
compatible:
items:
- const: sifive,fu540-c000-gpio
- const: sifive,gpio0
reg:
maxItems: 1
interrupts:
description:
interrupt mapping one per GPIO. Maximum 16 GPIOs.
minItems: 1
maxItems: 16
interrupt-controller: true
"#interrupt-cells":
const: 2
clocks:
maxItems: 1
"#gpio-cells":
const: 2
gpio-controller: true
required:
- compatible
- reg
- interrupts
- interrupt-controller
- "#interrupt-cells"
- clocks
- "#gpio-cells"
- gpio-controller
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/sifive-fu540-prci.h>
gpio@10060000 {
compatible = "sifive,fu540-c000-gpio", "sifive,gpio0";
interrupt-parent = <&plic>;
interrupts = <7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22>;
reg = <0x10060000 0x1000>;
clocks = <&tlclk PRCI_CLK_TLCLK>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
};
...
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