Documentation/devicetree/bindings/net/nfc/st,st95hf.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/st,st95hf.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: STMicroelectronics ST95HF NFC controller
   8
   9 maintainers:
  10   - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
  11
  12 properties:
  13   compatible:
  14     const: st,st95hf
  15
  16   enable-gpio:
  17     description: Output GPIO pin used for enabling/disabling the controller
  18
  19   interrupts:
  20     maxItems: 1
  21
  22   reg:
  23     maxItems: 1
  24
  25   st95hfvin-supply:
  26     description: ST95HF transceiver's Vin regulator supply
  27
  28   spi-max-frequency: true
  29
  30 required:
  31   - compatible
  32   - enable-gpio
  33   - interrupts
  34   - reg
  35   - spi-max-frequency
  36
  37 additionalProperties: false
  38
  39 examples:
  40   - |
  41     #include <dt-bindings/gpio/gpio.h>
  42     #include <dt-bindings/interrupt-controller/irq.h>
  43
  44     spi {
  45         #address-cells = <1>;
  46         #size-cells = <0>;
  47
  48         nfc@0{
  49             compatible = "st,st95hf";
  50             reg = <0>;
  51
  52             spi-max-frequency = <1000000>;
  53             enable-gpio = <&pio4 GPIO_ACTIVE_HIGH>;
  54             interrupt-parent = <&pio0>;
  55             interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
  56         };
  57     };