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SubjectRe: [PATCH v2 1/4] dt-bindings: mfd: atmel,flexcom: Convert to json-schema
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On 09/05/2022 10:49, Kavyasree Kotagiri wrote:
> Convert the Atmel flexcom device tree bindings to json schema.
>
> Signed-off-by: Kavyasree Kotagiri <kavyasree.kotagiri@microchip.com>
> ---
> .../bindings/mfd/atmel,flexcom.yaml | 92 +++++++++++++++++++
> .../devicetree/bindings/mfd/atmel-flexcom.txt | 63 -------------
> 2 files changed, 92 insertions(+), 63 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/mfd/atmel,flexcom.yaml
> delete mode 100644 Documentation/devicetree/bindings/mfd/atmel-flexcom.txt
>
> diff --git a/Documentation/devicetree/bindings/mfd/atmel,flexcom.yaml b/Documentation/devicetree/bindings/mfd/atmel,flexcom.yaml
> new file mode 100644
> index 000000000000..79ec7ebc7055
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/atmel,flexcom.yaml
> @@ -0,0 +1,92 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/atmel,flexcom.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Device tree bindings for Atmel Flexcom (Flexible Serial Communication Unit)

s/Device tree bindings//
> +
> +maintainers:
> + - Kavyasree Kotagiri <kavyasree.kotagiri@microchip.com>
> +
> +description:
> + The Atmel 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:
> + 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]
> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - "#address-cells"
> + - "#size-cells"
> + - ranges
> + - atmel,flexcom-mode
> +
> +additionalProperties: false
> +
> +patternProperties:

This goes after "properties" (before "required").

> + "^serial@[0-9a-f]+$":
> + description: See atmel-usart.txt for details of USART bindings.

type: object

Then a blank line.


> + "^spi@[0-9a-f]+$":
> + description: See ../spi/spi_atmel.txt for details of SPI bindings.

type: object

Then a blank line.

> + "^i2c@[0-9a-f]+$":
> + description: See ../i2c/i2c-at91.txt for details of I2C bindings.

type: object


> +
> +examples:
> + - |
> + 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>;
> +

Best regards,
Krzysztof

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