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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/nfc/st,st-nci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: STMicroelectronics ST NCI NFC controller
+
+maintainers:
+ - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
+
+properties:
+ compatible:
+ enum:
+ - st,st21nfcb-i2c
+ - st,st21nfcb-spi
+ - st,st21nfcc-i2c
+
+ reset-gpios:
+ description: Output GPIO pin used for resetting the controller
+
+ ese-present:
+ type: boolean
+ description: |
+ Specifies that an ese is physically connected to the controller
+
+ interrupts:
+ maxItems: 1
+
+ reg:
+ maxItems: 1
+
+ spi-max-frequency: true
+
+ uicc-present:
+ type: boolean
+ description: |
+ Specifies that the uicc swp signal can be physically connected to the
+ controller
+
+required:
+ - compatible
+ - interrupts
+ - reg
+ - reset-gpios
+
+if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - st,st21nfcb-i2c
+ - st,st21nfcc-i2c
+then:
+ properties:
+ spi-max-frequency: false
+else:
+ required:
+ - spi-max-frequency
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ nfc@8 {
+ compatible = "st,st21nfcb-i2c";
+ reg = <0x08>;
+
+ interrupt-parent = <&gpio5>;
+ interrupts = <2 IRQ_TYPE_LEVEL_HIGH>;
+ reset-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>;
+
+ ese-present;
+ uicc-present;
+ };
+ };
+
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ nfc@0 {
+ compatible = "st,st21nfcb-spi";
+ reg = <0>;
+
+ spi-max-frequency = <4000000>;
+
+ interrupt-parent = <&gpio5>;
+ interrupts = <2 IRQ_TYPE_EDGE_RISING>;
+ reset-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>;
+
+ ese-present;
+ uicc-present;
+ };
+ };