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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/nfc/nxp,pn544.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: NXP Semiconductors PN544 NFC Controller
maintainers:
- Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
properties:
compatible:
const: nxp,pn544-i2c
reg:
maxItems: 1
interrupts:
maxItems: 1
enable-gpios:
description: Output GPIO pin used for enabling/disabling the PN544
maxItems: 1
firmware-gpios:
description: Output GPIO pin used to enter firmware download mode
maxItems: 1
required:
- compatible
- reg
- interrupts
- enable-gpios
- firmware-gpios
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
nfc@28 {
compatible = "nxp,pn544-i2c";
reg = <0x28>;
interrupt-parent = <&gpio1>;
interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
enable-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
firmware-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>;
};
};
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