linux-kernel - Re: [PATCH 03/12] dt-bindings: watchdog: qcom-wdt: fix list of MSM timer compatibles

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Message-ID: <20230131173143.GA3601677@roeck-us.net>
Date:   Tue, 31 Jan 2023 09:31:43 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Prakash Ranjan <saiprakash.ranjan@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, linux-watchdog@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/12] dt-bindings: watchdog: qcom-wdt: fix list of MSM
 timer compatibles

On Mon, Dec 12, 2022 at 05:35:23PM +0100, Krzysztof Kozlowski wrote:
> The MSM timer ("qcom,msm-timer") is a bit different timer and watchdog
> device than KPSS watchdog.  It has its own generic and specific
> compatibles, so fix the list to reflect this.  Adjust the example to
> show the newer KPSS watchdog.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Acked-by: Rob Herring <robh@...nel.org>

Reviewed-by: Guenter Roeck <linux@...ck-us.net>

> ---
>  .../devicetree/bindings/watchdog/qcom-wdt.yaml    | 15 ++++++++++-----
>  1 file changed, 10 insertions(+), 5 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml b/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml
> index 3e0b30a817d6..93e4381067dd 100644
> --- a/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml
> +++ b/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml
> @@ -33,13 +33,16 @@ properties:
>            - const: qcom,kpss-wdt
>        - const: qcom,kpss-wdt
>          deprecated: true
> +      - items:
> +          - const: qcom,scss-timer
> +          - const: qcom,msm-timer
>        - items:
>            - enum:
> -              - qcom,kpss-timer
>                - qcom,kpss-wdt-apq8064
>                - qcom,kpss-wdt-ipq8064
>                - qcom,kpss-wdt-msm8960
> -              - qcom,scss-timer
> +          - const: qcom,kpss-timer
> +          - const: qcom,msm-timer
>  
>    reg:
>      maxItems: 1
> @@ -56,9 +59,11 @@ unevaluatedProperties: false
>  
>  examples:
>    - |
> -    watchdog@...a038 {
> -      compatible = "qcom,kpss-wdt-ipq8064";
> -      reg = <0x0208a038 0x40>;
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    watchdog@...10000 {
> +      compatible = "qcom,apss-wdt-sm8150", "qcom,kpss-wdt";
> +      reg = <0x17c10000 0x1000>;
>        clocks = <&sleep_clk>;
>        timeout-sec = <10>;
>      };