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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/samsung,s3fwrn5.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Samsung S3FWRN5 NCI NFC Controller
maintainers:
- Krzysztof Kozlowski <krzk@kernel.org>
properties:
compatible:
enum:
- samsung,s3fwrn5-i2c
- samsung,s3fwrn82
en-gpios:
maxItems: 1
description:
Output GPIO pin used for enabling/disabling the chip
interrupts:
maxItems: 1
reg:
maxItems: 1
clocks:
maxItems: 1
wake-gpios:
maxItems: 1
description:
Output GPIO pin used to enter firmware mode and sleep/wakeup control
s3fwrn5,en-gpios:
maxItems: 1
deprecated: true
description:
Use en-gpios
s3fwrn5,fw-gpios:
maxItems: 1
deprecated: true
description:
Use wake-gpios
additionalProperties: false
required:
- compatible
- en-gpios
- wake-gpios
allOf:
- if:
properties:
compatible:
contains:
const: samsung,s3fwrn5-i2c
then:
required:
- interrupts
- reg
examples:
- |
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
i2c4 {
#address-cells = <1>;
#size-cells = <0>;
s3fwrn5@27 {
compatible = "samsung,s3fwrn5-i2c";
reg = <0x27>;
interrupt-parent = <&gpa1>;
interrupts = <3 IRQ_TYPE_EDGE_RISING>;
en-gpios = <&gpf1 4 GPIO_ACTIVE_HIGH>;
wake-gpios = <&gpj0 2 GPIO_ACTIVE_HIGH>;
clocks = <&rpmcc 20>;
};
};
# UART example on Raspberry Pi
- |
uart0 {
nfc {
compatible = "samsung,s3fwrn82";
en-gpios = <&gpio 20 GPIO_ACTIVE_HIGH>;
wake-gpios = <&gpio 16 GPIO_ACTIVE_HIGH>;
};
};
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