Documentation/devicetree/bindings/net/nfc/nxp,pn532.yaml

   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 <krzysztof.kozlowski@canonical.com>
  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     };