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From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Neil Armstrong <neil.armstrong@linaro.org>,
	Wim Van Sebroeck <wim@linux-watchdog.org>,
	Guenter Roeck <linux@roeck-us.net>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Rajendra Nayak <quic_rjendra@quicinc.com>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konradybcio@kernel.org>,
	Abel Vesa <abelvesa@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, linux-watchdog@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] arm64: dts: qcom: sm8650: Add watchdog node
Date: Tue, 13 Oct 2026 11:21:21 +0200	[thread overview]
Message-ID: <f6febe84-c7c2-4aa8-bb02-5b56c63abc6c@oss.qualcomm.com> (raw)
In-Reply-To: <20261002-topic-sm8650-deckard-watchdog-v1-2-7d7f7d71d88a@linaro.org>

On 10/2/26 11:45 AM, Neil Armstrong wrote:
> Add a node for the watchdog on the SM8650 SoC, the node
> is marked as reserved since on most platforms the Watchdog
> is owned by the Gunyah Hypervisor.
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
> ---

Do you have a HDK or something with gunyah at hand? A couple months
ago qcom_scm_gunyah_wdt_init() was introduced to handle this -
could you enable the node and give it a shot if you have one?

Konrad

>  arch/arm64/boot/dts/qcom/sm8650.dtsi | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8650.dtsi b/arch/arm64/boot/dts/qcom/sm8650.dtsi
> index 86fbb0fd6472..f33ed7909a8e 100644
> --- a/arch/arm64/boot/dts/qcom/sm8650.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8650.dtsi
> @@ -7311,6 +7311,14 @@ gic_its: msi-controller@17140000 {
>  			};
>  		};
>  
> +		watchdog: watchdog@17411000 {
> +			compatible = "qcom,apss-wdt-sm8650", "qcom,kpss-wdt";
> +			reg = <0 0x17411000 0 0x1000>;
> +			clocks = <&sleep_clk>;
> +			interrupts = <GIC_SPI 0 IRQ_TYPE_EDGE_RISING 0>;
> +			status = "reserved"; /* Owned by hypervisor */
> +		};
> +
>  		timer@17420000 {
>  			compatible = "arm,armv7-timer-mem";
>  			reg = <0 0x17420000 0 0x1000>;
> 

  parent reply	other threads:[~2026-10-13  9:21 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-02  9:45 [PATCH 0/3] arm64: dts: qcom: sm8650-valve-deckard: Add watchdog support Neil Armstrong
2026-10-02  9:45 ` [PATCH 1/3] dt-bindings: watchdog: qcom-wdt: Document SM8650 watchdog Neil Armstrong
2026-10-03 14:32   ` Krzysztof Kozlowski
2026-10-02  9:45 ` [PATCH 2/3] arm64: dts: qcom: sm8650: Add watchdog node Neil Armstrong
2026-10-02  9:47   ` Abel Vesa
2026-10-13  9:21   ` Konrad Dybcio [this message]
2026-10-13 14:09     ` Neil Armstrong
2026-10-13 14:15       ` Konrad Dybcio
2026-10-02  9:45 ` [PATCH 3/3] arm64: dts: qcom: sm8650-valve-deckard: enable the watchdog Neil Armstrong
2026-10-02  9:47   ` Abel Vesa
2026-10-13 14:16   ` Konrad Dybcio

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