nxp-nci.txt

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    1 * NXP Semiconductors NXP NCI NFC Controllers
    2 
    3 Required properties:
    4 - compatible: Should be "nxp,nxp-nci-i2c".
    5 - clock-frequency: I²C work frequency.
    6 - reg: address on the bus
    7 - interrupts: GPIO interrupt to which the chip is connected
    8 - enable-gpios: Output GPIO pin used for enabling/disabling the chip
    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 - firmware-gpios: Output GPIO pin used to enter firmware download mode
   14 
   15 Example (for ARM-based BeagleBone with NPC100 NFC controller on I2C2):
   16 
   17 &i2c2 {
   18 
   19 
   20         npc100: npc100@29 {
   21 
   22                 compatible = "nxp,nxp-nci-i2c";
   23 
   24                 reg = <0x29>;
   25                 clock-frequency = <100000>;
   26 
   27                 interrupt-parent = <&gpio1>;
   28                 interrupts = <29 IRQ_TYPE_LEVEL_HIGH>;
   29 
   30                 enable-gpios = <&gpio0 30 GPIO_ACTIVE_HIGH>;
   31                 firmware-gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>;
   32         };
   33 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/net/nfc/nxp-nci.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/net/nfc/nxp-nci.txt