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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/nfc/ti,trf7970a.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments TRF7970A RFID/NFC/15693 Transceiver
+
+maintainers:
+ - Krzysztof Kozlowski <krzk@kernel.org>
+ - Mark Greer <mgreer@animalcreek.com>
+
+properties:
+ compatible:
+ const: ti,trf7970a
+
+ autosuspend-delay:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ Specify autosuspend delay in milliseconds.
+
+ clock-frequency:
+ description: |
+ Set to specify that the input frequency to the trf7970a is 13560000Hz or
+ 27120000Hz
+
+ en2-rf-quirk:
+ type: boolean
+ description: |
+ Specify that the trf7970a being used has the "EN2 RF" erratum
+
+ interrupts:
+ maxItems: 1
+
+ irq-status-read-quirk:
+ type: boolean
+ description: |
+ Specify that the trf7970a being used has the "IRQ Status Read" erratum
+
+ reg:
+ maxItems: 1
+
+ ti,enable-gpios:
+ minItems: 1
+ maxItems: 2
+ description: |
+ One or two GPIO entries used for 'EN' and 'EN2' pins on the TRF7970A. EN2
+ is optional.
+
+ vdd-io-supply:
+ description: |
+ Regulator specifying voltage for VDD-IO
+
+ vin-supply:
+ description: |
+ Regulator for supply voltage to VIN pin
+
+required:
+ - compatible
+ - interrupts
+ - reg
+ - spi-max-frequency
+ - ti,enable-gpios
+ - vin-supply
+
+allOf:
+ - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ nfc@0 {
+ compatible = "ti,trf7970a";
+ reg = <0>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&trf7970a_default>;
+ spi-max-frequency = <2000000>;
+ interrupt-parent = <&gpio2>;
+ interrupts = <14 0>;
+
+ ti,enable-gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>,
+ <&gpio2 5 GPIO_ACTIVE_HIGH>;
+ vin-supply = <&ldo3_reg>;
+ vdd-io-supply = <&ldo2_reg>;
+ autosuspend-delay = <30000>;
+ irq-status-read-quirk;
+ en2-rf-quirk;
+ clock-frequency = <27120000>;
+ };
+ };