Re: [PATCH v7 1/3] dt-bindings: mfd: Convert atmel-flexcom to json-schema

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On 06/07/2022 13:06, Kavyasree Kotagiri wrote:
> Convert the Atmel flexcom device tree bindings to json schema.
> 
> Signed-off-by: Kavyasree Kotagiri <kavyasree.kotagiri@xxxxxxxxxxxxx>
> ---
> v6 -> v7:
>  - Change filename to atmel,sama5d2-flexcom.yaml
>  - Add #address-cells, #size-cells to flexcom node - Fixed warnings.
> 
> v5 -> v6:
>  - Removed spi node from example as suggested by Rob and
>    also pattern properties(spi dt-bindings conversion to yaml patch is under review).
>    Once that is accepted, I will add back spi example through new patch.
> 
> v4 -> v5:
>  - Fixed indentations.
> 
> v3 -> v4:
>  - Corrected format of enum used for compatible string.
> 
> v2 -> v3:
>  - used enum for compatible string.
>  - changed irq flag to IRQ_TYPE_LEVEL_HIGH in example.
>  - fixed dtschema errors.
> 
> v1 -> v2:
>  - Fix title.
> 
>  .../bindings/mfd/atmel,sama5d2-flexcom.yaml   | 74 +++++++++++++++++++
>  .../devicetree/bindings/mfd/atmel-flexcom.txt | 63 ----------------
>  2 files changed, 74 insertions(+), 63 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/mfd/atmel,sama5d2-flexcom.yaml
>  delete mode 100644 Documentation/devicetree/bindings/mfd/atmel-flexcom.txt
> 
> diff --git a/Documentation/devicetree/bindings/mfd/atmel,sama5d2-flexcom.yaml b/Documentation/devicetree/bindings/mfd/atmel,sama5d2-flexcom.yaml
> new file mode 100644
> index 000000000000..864f490ffb83
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/atmel,sama5d2-flexcom.yaml
> @@ -0,0 +1,74 @@
> +# 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: Atmel Flexcom (Flexible Serial Communication Unit)
> +
> +maintainers:
> +  - Kavyasree Kotagiri <kavyasree.kotagiri@xxxxxxxxxxxxx>
> +
> +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:
> +    enum:
> +      - 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]
> +

As pointed out by Rob's bot - why do you not allow the protocol-specific
children here? spi, serial etc?


Best regards,
Krzysztof



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