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98 lines
1.9 KiB
98 lines
1.9 KiB
# 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 <[email protected]> |
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- Krzysztof Opasiak <[email protected]> |
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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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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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}; |
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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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status = "okay"; |
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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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status = "okay"; |
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}; |
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};
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