Documentation/devicetree/bindings/net/nfc/st21nfcb.txt

   1 * STMicroelectronics SAS. ST21NFCB NFC Controller
   2
   3 Required properties:
   4 - compatible: Should be "st,st21nfcb-i2c".
   5 - clock-frequency: I²C work frequency.
   6 - reg: address on the bus
   7 - interrupt-parent: phandle for the interrupt gpio controller
   8 - interrupts: GPIO interrupt to which the chip is connected
   9 - reset-gpios: Output GPIO pin used to reset the ST21NFCB
  10
  11 Optional SoC Specific Properties:
  12 - pinctrl-names: Contains only one value - "default".
  13 - pintctrl-0: Specifies the pin control groups used for this controller.
  14
  15 Example (for ARM-based BeagleBoard xM with ST21NFCB on I2C2):
  16
  17 &i2c2 {
  18
  19         status = "okay";
  20
  21         st21nfcb: st21nfcb@8 {
  22
  23                 compatible = "st,st21nfcb-i2c";
  24
  25                 reg = <0x08>;
  26                 clock-frequency = <400000>;
  27
  28                 interrupt-parent = <&gpio5>;
  29                 interrupts = <2 IRQ_TYPE_LEVEL_HIGH>;
  30
  31                 reset-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>;
  32         };
  33 };