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4eb2b722c0
Add flexcom binding documentation for sama7d65. Consolidated entries into one enum to match proper coding style. Signed-off-by: Dharma Balasubiramani <dharma.b@microchip.com> Signed-off-by: Ryan Wanner <Ryan.Wanner@microchip.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev> Link: https://lore.kernel.org/r/9656d46ee0255b9aba404d77d2d204376a9cb248.1736522006.git.Ryan.Wanner@microchip.com Signed-off-by: Lee Jones <lee@kernel.org>
99 lines
2.2 KiB
YAML
99 lines
2.2 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/mfd/atmel,sama5d2-flexcom.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Microchip Flexcom (Flexible Serial Communication Unit)
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maintainers:
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- Kavyasree Kotagiri <kavyasree.kotagiri@microchip.com>
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description:
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The Microchip Flexcom is just a wrapper which embeds a SPI controller,
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an I2C controller and an USART. Only one function can be used at a
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time and is chosen at boot time according to the device tree.
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properties:
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compatible:
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oneOf:
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- const: atmel,sama5d2-flexcom
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- items:
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- enum:
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- microchip,sam9x7-flexcom
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- microchip,sama7d65-flexcom
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- microchip,sama7g5-flexcom
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- const: atmel,sama5d2-flexcom
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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"#address-cells":
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const: 1
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"#size-cells":
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const: 1
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ranges:
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description:
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One range for the full I/O register region. (including USART,
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TWI and SPI registers).
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items:
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maxItems: 3
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atmel,flexcom-mode:
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description: |
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Specifies the flexcom mode as follows:
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1: USART
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2: SPI
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3: I2C.
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [1, 2, 3]
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patternProperties:
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"^serial@[0-9a-f]+$":
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type: object
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description:
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Child node describing USART. See atmel-usart.txt for details
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of USART bindings.
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"^spi@[0-9a-f]+$":
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type: object
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description:
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Child node describing SPI. See ../spi/spi_atmel.txt for details
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of SPI bindings.
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"^i2c@[0-9a-f]+$":
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$ref: /schemas/i2c/atmel,at91sam-i2c.yaml
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description:
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Child node describing I2C.
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required:
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- compatible
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- reg
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- clocks
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- "#address-cells"
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- "#size-cells"
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- ranges
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- atmel,flexcom-mode
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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flx0: flexcom@f8034000 {
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compatible = "atmel,sama5d2-flexcom";
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reg = <0xf8034000 0x200>;
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clocks = <&flx0_clk>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0x0 0xf8034000 0x800>;
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atmel,flexcom-mode = <2>;
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};
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...
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