linux-kernel - Re: [PATCH V2 2/2] arm64: dts: Add watchdog node for Amlogic C3 SoCs

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Date:   Tue, 26 Sep 2023 09:03:59 +0100
From:   Conor Dooley <conor@...nel.org>
To:     Huqiang Qin <huqiang.qin@...ogic.com>
Cc:     wim@...ux-watchdog.org, linux@...ck-us.net, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        neil.armstrong@...aro.org, khilman@...libre.com,
        jbrunet@...libre.com, martin.blumenstingl@...glemail.com,
        linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 2/2] arm64: dts: Add watchdog node for Amlogic C3 SoCs

On Tue, Sep 26, 2023 at 01:55:12PM +0800, Huqiang Qin wrote:
> Add watchdog device.
> 
> Signed-off-by: Huqiang Qin <huqiang.qin@...ogic.com>
> ---
> 
> V1 -> V2: Increase compatibles of C3 watchdog.
> 
>  arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi
> index 998f5050795c..2ad1f8eef199 100644
> --- a/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi
> @@ -81,6 +81,12 @@ apb4: bus@...00000 {
>  			#size-cells = <2>;
>  			ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x480000>;
>  
> +			watchdog@...0 {
> +				compatible = "amlogic,c3-wdt", "amlogic,t7-wdt";

Does this pass dtbs_check?
The binding patch doesn't seem to permit this combo..

> +				reg = <0x0 0x2100 0x0 0x10>;
> +				clocks = <&xtal>;
> +			};
> +
>  			periphs_pinctrl: pinctrl@...0 {
>  				compatible = "amlogic,c3-periphs-pinctrl";
>  				#address-cells = <2>;
> -- 
> 2.42.0
> 

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