Re: [PATCH] dt-bindings: serial: brcm,bcm6345-uart: convert to the json-schema

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On Thu, Aug 19, 2021 at 03:48:59PM +0200, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@xxxxxxxxxx>
> 
> This helps validating DTS files.
> 
> In example periph_clk@0 was replaced with periph_clk to fix validation.
> 
> Signed-off-by: Rafał Miłecki <rafal@xxxxxxxxxx>
> ---
> I've verified this binding using the
> make dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/serial/brcm,bcm6345-uart.yaml
> ---
>  .../bindings/serial/brcm,bcm6345-uart.txt     | 36 ------------
>  .../bindings/serial/brcm,bcm6345-uart.yaml    | 57 +++++++++++++++++++
>  2 files changed, 57 insertions(+), 36 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/serial/brcm,bcm6345-uart.txt
>  create mode 100644 Documentation/devicetree/bindings/serial/brcm,bcm6345-uart.yaml
> 
> diff --git a/Documentation/devicetree/bindings/serial/brcm,bcm6345-uart.txt b/Documentation/devicetree/bindings/serial/brcm,bcm6345-uart.txt
> deleted file mode 100644
> index 8b2b0460259a..000000000000
> --- a/Documentation/devicetree/bindings/serial/brcm,bcm6345-uart.txt
> +++ /dev/null
> @@ -1,36 +0,0 @@
> -* BCM63xx UART
> -
> -Required properties:
> -
> -- compatible: "brcm,bcm6345-uart"
> -
> -- reg: The base address of the UART register bank.
> -
> -- interrupts: A single interrupt specifier.
> -
> -- clocks: Clock driving the hardware; used to figure out the baud rate
> -  divisor.
> -
> -
> -Optional properties:
> -
> -- clock-names: Should be "refclk".
> -
> -Example:
> -
> -	uart0: serial@14e00520 {
> -		compatible = "brcm,bcm6345-uart";
> -		reg = <0x14e00520 0x18>;
> -		interrupt-parent = <&periph_intc>;
> -		interrupts = <2>;
> -		clocks = <&periph_clk>;
> -		clock-names = "refclk";
> -	};
> -
> -	clocks {
> -		periph_clk: periph_clk@0 {
> -			compatible = "fixed-clock";
> -			#clock-cells = <0>;
> -			clock-frequency = <54000000>;
> -		};
> -	};
> diff --git a/Documentation/devicetree/bindings/serial/brcm,bcm6345-uart.yaml b/Documentation/devicetree/bindings/serial/brcm,bcm6345-uart.yaml
> new file mode 100644
> index 000000000000..0d4d03fc58ba
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/serial/brcm,bcm6345-uart.yaml
> @@ -0,0 +1,57 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/serial/brcm,bcm6345-uart.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: BCM63xx UART
> +
> +maintainers:
> +  - Rafał Miłecki <rafal@xxxxxxxxxx>
> +
> +allOf:
> +  - $ref: serial.yaml#
> +
> +properties:
> +  compatible:
> +    const: brcm,bcm6345-uart
> +
> +  reg:
> +    maxItems: 1
> +    description: The base address of the UART register bank

Drop. Don't need generic descriptions.

> +
> +  interrupts:
> +    description: A single interrupt specifier

Replace with 'maxItems: 1'

> +
> +  clocks:
> +    description: >
> +      Clock driving the hardware; used to figure out the baud rate divisor

Replace with 'maxItems: 1'

> +
> +  clock-names:
> +    const: refclk
> +
> +unevaluatedProperties: false
> +
> +required:
> +  - reg
> +  - interrupts
> +  - clocks
> +
> +examples:
> +  - |
> +    serial@14e00520 {
> +        compatible = "brcm,bcm6345-uart";
> +        reg = <0x14e00520 0x18>;
> +        interrupt-parent = <&periph_intc>;
> +        interrupts = <2>;
> +        clocks = <&periph_clk>;
> +        clock-names = "refclk";
> +    };
> +
> +    clocks {
> +        periph_clk: periph_clk {
> +            compatible = "fixed-clock";
> +            #clock-cells = <0>;
> +            clock-frequency = <54000000>;
> +        };

You don't need to show the clock provider (or any other) in examples.

> +    };
> -- 
> 2.26.2
> 
> 



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