st-nci-i2c.txt

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    1 * STMicroelectronics SAS. ST NCI NFC Controller
    2 
    3 Required properties:
    4 - compatible: Should be "st,st21nfcb-i2c" or "st,st21nfcc-i2c".
    5 - clock-frequency: I²C work frequency.
    6 - reg: address on the bus
    7 - interrupts: GPIO interrupt to which the chip is connected
    8 - reset-gpios: Output GPIO pin used to reset the ST21NFCB
    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 - ese-present: Specifies that an ese is physically connected to the nfc
   14 controller.
   15 - uicc-present: Specifies that the uicc swp signal can be physically
   16 connected to the nfc controller.
   17 
   18 Example (for ARM-based BeagleBoard xM with ST21NFCB on I2C2):
   19 
   20 &i2c2 {
   21 
   22 
   23         st21nfcb: st21nfcb@8 {
   24 
   25                 compatible = "st,st21nfcb-i2c";
   26 
   27                 reg = <0x08>;
   28                 clock-frequency = <400000>;
   29 
   30                 interrupt-parent = <&gpio5>;
   31                 interrupts = <2 IRQ_TYPE_LEVEL_HIGH>;
   32 
   33                 reset-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>;
   34 
   35                 ese-present;
   36                 uicc-present;
   37         };
   38 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/net/nfc/st-nci-i2c.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/net/nfc/st-nci-i2c.txt