Re: [PATCH v4 1/3] dt-bindings: mfd: atmel,flexcom: Convert to json-schema

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On 17/06/2022 06:07, Kavyasree Kotagiri wrote:
> Convert the Atmel flexcom device tree bindings to json schema.
> 
> Signed-off-by: Kavyasree Kotagiri <kavyasree.kotagiri@xxxxxxxxxxxxx>
> ---
> 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,flexcom.yaml           | 104 ++++++++++++++++++
>  .../devicetree/bindings/mfd/atmel-flexcom.txt |  63 -----------
>  2 files changed, 104 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..fdb1645d123f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/atmel,flexcom.yaml
> @@ -0,0 +1,104 @@
> +# 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: 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.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    enum: [1, 2, 3]
> +
> +patternProperties:
> +  "^serial@[0-9a-f]+$":
> +    description: See atmel-usart.txt for details of USART bindings.
> +    type: object
> +
> +  "^spi@[0-9a-f]+$":
> +    description: See ../spi/spi_atmel.txt for details of SPI bindings.
> +    type: object
> +
> +    properties:
> +      compatible:
> +        const: atmel,at91rm9200-spi
> +
> +  "^i2c@[0-9a-f]+$":
> +    description: See ../i2c/i2c-at91.txt for details of I2C bindings.
> +    type: object
> +
> +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";

The bindings look good, but you have here weird indentation. I don't
remember if I pointed out this already, so in any case sorry for
bringing it up so late. The indentation should be four spaces which
nicely aligns with " - |".



> +          reg = <0xf8034000 0x200>;
> +          clocks = <&flx0_clk>;
> +          #address-cells = <1>;
> +          #size-cells = <1>;
> +          ranges = <0x0 0xf8034000 0x800>;
> +          atmel,flexcom-mode = <2>;
> +
> +          spi0: spi@400 {
> +                compatible = "atmel,at91rm9200-spi";

4 spaces

Rob's bot also complained about compatible. Are you sure you use here
correct compatible?


Best regards,
Krzysztof



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