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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/atmel,sama5d2-flexcom.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip Flexcom (Flexible Serial Communication Unit)
+
+maintainers:
+ - Kavyasree Kotagiri <kavyasree.kotagiri@microchip.com>
+
+description:
+ The Microchip Flexcom is just a wrapper which embeds a SPI controller,
+ an I2C controller and an USART. Only one function can be used at a
+ time and is chosen at boot time according to the device tree.
+
+properties:
+ compatible:
+ oneOf:
+ - const: atmel,sama5d2-flexcom
+ - items:
+ - const: microchip,sam9x7-flexcom
+ - const: atmel,sama5d2-flexcom
+ - items:
+ - const: microchip,sama7g5-flexcom
+ - const: atmel,sama5d2-flexcom
+
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 1
+
+ ranges:
+ description:
+ One range for the full I/O register region. (including USART,
+ TWI and SPI registers).
+ items:
+ maxItems: 3
+
+ atmel,flexcom-mode:
+ description: |
+ Specifies the flexcom mode as follows:
+ 1: USART
+ 2: SPI
+ 3: I2C.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [1, 2, 3]
+
+patternProperties:
+ "^serial@[0-9a-f]+$":
+ type: object
+ description:
+ Child node describing USART. See atmel-usart.txt for details
+ of USART bindings.
+
+ "^spi@[0-9a-f]+$":
+ type: object
+ description:
+ Child node describing SPI. See ../spi/spi_atmel.txt for details
+ of SPI bindings.
+
+ "^i2c@[0-9a-f]+$":
+ $ref: /schemas/i2c/atmel,at91sam-i2c.yaml
+ description:
+ Child node describing I2C.
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - "#address-cells"
+ - "#size-cells"
+ - ranges
+ - atmel,flexcom-mode
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ flx0: flexcom@f8034000 {
+ compatible = "atmel,sama5d2-flexcom";
+ reg = <0xf8034000 0x200>;
+ clocks = <&flx0_clk>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0xf8034000 0x800>;
+ atmel,flexcom-mode = <2>;
+ };
+...