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