Based on kernel version 4.16.1. Page generated on 2018-04-09 11:52 EST.
1 * NXP Semiconductors PN532 NFC Controller 2 3 Required properties: 4 - compatible: Should be "nxp,pn532-i2c" or "nxp,pn533-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 10 Optional SoC Specific Properties: 11 - pinctrl-names: Contains only one value - "default". 12 - pintctrl-0: Specifies the pin control groups used for this controller. 13 14 Example (for ARM-based BeagleBone with PN532 on I2C2): 15 16 &i2c2 { 17 18 19 pn532: pn532@24 { 20 21 compatible = "nxp,pn532-i2c"; 22 23 reg = <0x24>; 24 clock-frequency = <400000>; 25 26 interrupt-parent = <&gpio1>; 27 interrupts = <17 IRQ_TYPE_EDGE_FALLING>; 28 29 }; 30 };