| # 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 <krzk@kernel.org> |
| |
| 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>; |
| }; |
| }; |
