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