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     1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/net/nfc/st,st21nfca.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: STMicroelectronics SAS ST21NFCA NFC controller
    8 
    9 maintainers:
   10   - Krzysztof Kozlowski <krzk@kernel.org>
   11 
   12 properties:
   13   compatible:
   14     const: st,st21nfca-i2c
   15 
   16   enable-gpios:
   17     description: Output GPIO pin used for enabling/disabling the controller
   18 
   19   ese-present:
   20     type: boolean
   21     description: |
   22       Specifies that an ese is physically connected to the controller
   23 
   24   interrupts:
   25     maxItems: 1
   26 
   27   reg:
   28     maxItems: 1
   29 
   30   uicc-present:
   31     type: boolean
   32     description: |
   33       Specifies that the uicc swp signal can be physically connected to the
   34       controller
   35 
   36 required:
   37   - compatible
   38   - enable-gpios
   39   - interrupts
   40   - reg
   41 
   42 additionalProperties: false
   43 
   44 examples:
   45   - |
   46     #include <dt-bindings/gpio/gpio.h>
   47     #include <dt-bindings/interrupt-controller/irq.h>
   48 
   49     i2c {
   50         #address-cells = <1>;
   51         #size-cells = <0>;
   52 
   53         nfc@1 {
   54             compatible = "st,st21nfca-i2c";
   55             reg = <0x1>;
   56 
   57             interrupt-parent = <&gpio5>;
   58             interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
   59             enable-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>;
   60 
   61             ese-present;
   62             uicc-present;
   63         };
   64     };
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