linux-kernel - Re: [RESEND v6 1/6] dt-bindings: mfd: Document STM32 low power timer bindings

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Message-ID: <f9d41617-797e-15d4-a058-a0a9e6669cdc@st.com>
Date:   Mon, 20 Apr 2020 11:34:44 +0200
From:   Fabrice Gasnier <fabrice.gasnier@...com>
To:     Benjamin Gaignard <benjamin.gaignard@...com>,
        <lee.jones@...aro.org>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <mcoquelin.stm32@...il.com>,
        <alexandre.torgue@...com>, <daniel.lezcano@...aro.org>,
        <tglx@...utronix.de>
CC:     <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [RESEND v6 1/6] dt-bindings: mfd: Document STM32 low power timer
 bindings

On 4/20/20 10:59 AM, Benjamin Gaignard wrote:
> Add a subnode to STM low power timer bindings to support timer driver
> 
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
> Reviewed-by: Rob Herring <robh@...nel.org>
> ---
>  .../devicetree/bindings/mfd/st,stm32-lptimer.yaml     | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml b/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml
> index ddf190cb800b..64bab1c3bdac 100644
> --- a/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml
> +++ b/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml
> @@ -33,6 +33,9 @@ properties:
>      items:
>        - const: mux
>  
> +  interrupts:
> +    maxItems: 1
> +
>    "#address-cells":
>      const: 1
>  
> @@ -93,6 +96,16 @@ patternProperties:
>      required:
>        - compatible
>  
> +  timer:
> +    type: object
> +
> +    properties:
> +      compatible:
> +        const: st,stm32-lptimer-timer
> +
> +    required:
> +      - compatible
> +
>  required:
>    - "#address-cells"
>    - "#size-cells"
> @@ -106,11 +119,13 @@ additionalProperties: false
>  examples:
>    - |
>      #include <dt-bindings/clock/stm32mp1-clks.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
>      timer@...02400 {
>        compatible = "st,stm32-lptimer";
>        reg = <0x40002400 0x400>;
>        clocks = <&timer_clk>;
>        clock-names = "mux";
> +      interrupts-extended = <&exti 47 IRQ_TYPE_LEVEL_HIGH>;
>        #address-cells = <1>;
>        #size-cells = <0>;
>  
> @@ -131,6 +146,10 @@ examples:
>        timer {
>          compatible = "st,stm32-lptimer-timer";
>        };
> +
> +      timer {
> +        compatible = "st,stm32-lptimer-timer";
> +      };

Hi Benjamin,

It looks like the compatible is duplicated in this example.
Also, from "PATCH v6" I don't see the wakeup-source flag in your resend.
Can you double-check ?

Thanks,
Best Regards,
Fabrice

>      };
>  
>  ...
>