st21nfca.txt

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    1 * STMicroelectronics SAS. ST21NFCA NFC Controller
    2 
    3 Required properties:
    4 - compatible: Should be "st,st21nfca-i2c".
    5 - clock-frequency: I²C work frequency.
    6 - reg: address on the bus
    7 - enable-gpios: Output GPIO pin used for enabling/disabling the ST21NFCA
    8 
    9 Optional SoC Specific Properties:
   10 - pinctrl-names: Contains only one value - "default".
   11 - pintctrl-0: Specifies the pin control groups used for this controller.
   12 - ese-present: Specifies that an ese is physically connected to the nfc
   13 controller.
   14 - uicc-present: Specifies that the uicc swp signal can be physically
   15 connected to the nfc controller.
   16 
   17 Example (for ARM-based BeagleBoard xM with ST21NFCA on I2C2):
   18 
   19 &i2c2 {
   20 
   21 
   22         st21nfca: st21nfca@1 {
   23 
   24                 compatible = "st,st21nfca-i2c";
   25 
   26                 reg = <0x01>;
   27                 clock-frequency = <400000>;
   28 
   29                 interrupt-parent = <&gpio5>;
   30                 interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
   31 
   32                 enable-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>;
   33 
   34                 ese-present;
   35                 uicc-present;
   36         };
   37 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/net/nfc/st21nfca.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/net/nfc/st21nfca.txt