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     1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/net/nfc/nxp,pn532.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: NXP Semiconductors PN532 NFC controller
    8 
    9 maintainers:
   10   - Krzysztof Kozlowski <krzk@kernel.org>
   11 
   12 properties:
   13   compatible:
   14     oneOf:
   15       - const: nxp,pn532
   16       - description: Deprecated bindings
   17         enum:
   18           - nxp,pn532-i2c
   19           - nxp,pn533-i2c
   20         deprecated: true
   21 
   22   interrupts:
   23     description: Required if connected via I2C
   24     maxItems: 1
   25 
   26   reg:
   27     description: Required if connected via I2C
   28     maxItems: 1
   29 
   30 required:
   31   - compatible
   32 
   33 dependencies:
   34   interrupts: [ 'reg' ]
   35 
   36 additionalProperties: false
   37 
   38 examples:
   39   # PN532 on I2C bus
   40   - |
   41     #include <dt-bindings/interrupt-controller/irq.h>
   42 
   43     i2c {
   44         #address-cells = <1>;
   45         #size-cells = <0>;
   46 
   47         nfc@24 {
   48             compatible = "nxp,pn532";
   49 
   50             reg = <0x24>;
   51 
   52             interrupt-parent = <&gpio1>;
   53             interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
   54         };
   55     };
   56 
   57   # PN532 connected via UART
   58   - |
   59     serial@49042000 {
   60         reg = <0x49042000 0x400>;
   61 
   62         nfc {
   63             compatible = "nxp,pn532";
   64         };
   65     };
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