linux-kernel - Re: [PATCH 2/2] dt-bindings: serial: samsung: include generic dtschema to match bluetooth child

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Date:   Fri, 5 Mar 2021 14:49:38 -0600
From:   Rob Herring <robh@...nel.org>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-serial@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] dt-bindings: serial: samsung: include generic
 dtschema to match bluetooth child

On Fri, Feb 12, 2021 at 05:39:05PM +0100, Krzysztof Kozlowski wrote:
> Include the generic serial.yaml dtschema so the child node like
> "bluetooh" will be properly matched:
> 
>   arch/arm/boot/dts/exynos4210-universal_c210.dt.yaml:
>     serial@...00000: 'bluetooth' does not match any of the regexes: 'pinctrl-[0-9]+'
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
> ---
>  .../bindings/serial/samsung_uart.yaml         | 26 ++++++++++++++++++-
>  1 file changed, 25 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.yaml b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
> index 3e29b561223d..f4faf32ab00f 100644
> --- a/Documentation/devicetree/bindings/serial/samsung_uart.yaml
> +++ b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
> @@ -78,9 +78,11 @@ required:
>    - interrupts
>    - reg
>  
> -additionalProperties: false
> +unevaluatedProperties: false
>  
>  allOf:
> +  - $ref: /schemas/serial.yaml#
> +
>    - if:
>        properties:
>          compatible:
> @@ -134,3 +136,25 @@ examples:
>                   <&clocks SCLK_UART>;
>          samsung,uart-fifosize = <16>;
>      };
> +
> +  - |
> +    #include <dt-bindings/clock/exynos4.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    serial@...00000 {
> +        compatible = "samsung,exynos4210-uart";
> +        reg = <0x13800000 0x100>;
> +        interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
> +        clocks = <&clock CLK_UART0>, <&clock CLK_SCLK_UART0>;
> +        clock-names = "uart", "clk_uart_baud0";
> +        dmas = <&pdma0 15>, <&pdma0 16>;
> +        dma-names = "rx", "tx";
> +        pinctrl-0 = <&uart0_data &uart0_fctl>;
> +        pinctrl-names = "default";
> +
> +        bluetooth {
> +            compatible = "brcm,bcm4330-bt";

Do we need a whole new example for this?

I'm also trying to get rid compatibles without a schema so we can turn 
on warnings for that, but fortunately Linus is converting Broadcom BT. 
And looks like it should pass.

Rob