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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/nfc/marvell,nci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell International Ltd. NCI NFC controller
+
+maintainers:
+ - Krzysztof Kozlowski <krzk@kernel.org>
+
+properties:
+ compatible:
+ enum:
+ - marvell,nfc-i2c
+ - marvell,nfc-spi
+ - marvell,nfc-uart
+
+ hci-muxed:
+ type: boolean
+ description: |
+ Specifies that the chip is muxing NCI over HCI frames
+
+ interrupts:
+ maxItems: 1
+
+ reg:
+ maxItems: 1
+
+ reset-n-io:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ maxItems: 1
+ description: |
+ Output GPIO pin used to reset the chip (active low)
+
+ i2c-int-falling:
+ type: boolean
+ description: |
+ For I2C type of connection. Specifies that the chip read event shall be
+ triggered on falling edge.
+
+ i2c-int-rising:
+ type: boolean
+ description: |
+ For I2C type of connection. Specifies that the chip read event shall be
+ triggered on rising edge.
+
+ break-control:
+ type: boolean
+ description: |
+ For UART type of connection. Specifies that the chip needs specific break
+ management.
+
+ flow-control:
+ type: boolean
+ description: |
+ For UART type of connection. Specifies that the chip is using RTS/CTS.
+
+ spi-cpha: true
+ spi-cpol: true
+
+required:
+ - compatible
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: marvell,nfc-i2c
+ then:
+ properties:
+ break-control: false
+ flow-control: false
+ spi-cpha: false
+ spi-cpol: false
+ spi-max-frequency: false
+ required:
+ - reg
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: marvell,nfc-spi
+ then:
+ $ref: /schemas/spi/spi-peripheral-props.yaml#
+ properties:
+ break-control: false
+ flow-control: false
+ i2c-int-falling: false
+ i2c-int-rising: false
+ required:
+ - reg
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: marvell,nfc-uart
+ then:
+ properties:
+ i2c-int-falling: false
+ i2c-int-rising: false
+ interrupts: false
+ spi-cpha: false
+ spi-cpol: false
+ spi-max-frequency: false
+ reg: false
+
+unevaluatedProperties: 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 = "marvell,nfc-i2c";
+ reg = <0x8>;
+
+ interrupt-parent = <&gpio3>;
+ interrupts = <21 IRQ_TYPE_EDGE_RISING>;
+
+ i2c-int-rising;
+
+ reset-n-io = <&gpio3 19 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ nfc@0 {
+ compatible = "marvell,nfc-spi";
+ reg = <0>;
+
+ spi-max-frequency = <3000000>;
+ spi-cpha;
+ spi-cpol;
+
+ interrupt-parent = <&gpio1>;
+ interrupts = <17 IRQ_TYPE_EDGE_RISING>;
+
+ reset-n-io = <&gpio3 19 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ uart {
+ nfc {
+ compatible = "marvell,nfc-uart";
+
+ reset-n-io = <&gpio3 16 GPIO_ACTIVE_LOW>;
+
+ hci-muxed;
+ flow-control;
+ };
+ };