From: "Kumar, Udit" <u-kumar1@ti.com>
To: Keerthy <j-keerthy@ti.com>, <robh+dt@kernel.org>, <nm@ti.com>,
<vigneshr@ti.com>, <conor+dt@kernel.org>, <kristo@kernel.org>,
<rzysztof.kozlowski+dt@linaro.org>
Cc: <linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 4/7] arm64: dts: ti: k3-j784s4-main: Add the main domain watchdog instances
Date: Thu, 7 Sep 2023 19:44:47 +0530 [thread overview]
Message-ID: <19f9895f-0975-713e-f2eb-fd5e16d6fb98@ti.com> (raw)
In-Reply-To: <20230907115210.28082-5-j-keerthy@ti.com>
WARNING: multiple messages have this Message-ID (diff)
From: "Kumar, Udit" <u-kumar1@ti.com>
To: Keerthy <j-keerthy@ti.com>, <robh+dt@kernel.org>, <nm@ti.com>,
<vigneshr@ti.com>, <conor+dt@kernel.org>, <kristo@kernel.org>,
<rzysztof.kozlowski+dt@linaro.org>
Cc: <linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 4/7] arm64: dts: ti: k3-j784s4-main: Add the main domain watchdog instances
Date: Thu, 7 Sep 2023 19:44:47 +0530 [thread overview]
Message-ID: <19f9895f-0975-713e-f2eb-fd5e16d6fb98@ti.com> (raw)
Message-ID: <20230907141447.I-ILAUGRQKPgejGJehW34sAQY9hvZRpozrTNOu0evUM@z> (raw)
In-Reply-To: <20230907115210.28082-5-j-keerthy@ti.com>
Thanks Keerthy,
On 9/7/2023 5:22 PM, Keerthy wrote:
> There are totally 19 instances of watchdog module. One each for the
> 8 A72 cores, one each for the 4 C7x cores, 1 for the GPU, 1 each
> for the 6 R5F cores in the main domain. Keeping only the A72 instances
> enabled and disabling the rest by default.
>
> Signed-off-by: Keerthy <j-keerthy@ti.com>
> ---
> arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 182 +++++++++++++++++++++
> 1 file changed, 182 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
> index 7f7eab348520..66ab947a1081 100644
> --- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
> @@ -1574,4 +1574,186 @@
> reg = <0x00 0x700000 0x00 0x1000>;
> ti,esm-pins = <688>, <689>;
> };
> +
> + watchdog0: watchdog@2200000 {
> + compatible = "ti,j7-rti-wdt";
> + reg = <0x00 0x2200000 0x00 0x100>;
> + clocks = <&k3_clks 348 1>;
> + power-domains = <&k3_pds 348 TI_SCI_PD_EXCLUSIVE>;
> + assigned-clocks = <&k3_clks 348 0>;
> + assigned-clock-parents = <&k3_clks 348 4>;
> + };
In ESM, patch I see only output of 2 watchdog in cascaded for reset.
if you want to keep enable other wdt, then IMO they should be able to
reset the core/SOC
on timeout
> +
> + [..]};
next prev parent reply other threads:[~2023-09-07 15:46 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-07 11:52 [PATCH v2 0/7]arm64: ti: k3-j7: Add the ESM & main domain watchdog nodes Keerthy
2023-09-07 11:52 ` [PATCH v2 1/7] arm64: dts: ti: k3-j721s2: Add ESM instances Keerthy
2023-09-07 11:52 ` [PATCH v2 2/7] arm64: dts: ti: k3-j784s4: " Keerthy
2023-09-07 11:52 ` [PATCH v2 3/7] arm64: dts: ti: k3-j7200: Add MCU domain ESM instance Keerthy
2023-09-07 11:52 ` [PATCH v2 4/7] arm64: dts: ti: k3-j784s4-main: Add the main domain watchdog instances Keerthy
2023-09-07 14:14 ` Kumar, Udit [this message]
2023-09-07 14:14 ` Kumar, Udit
2023-09-07 14:30 ` J, KEERTHY
2023-09-07 14:30 ` J, KEERTHY
2023-09-07 11:52 ` [PATCH v2 5/7] arm64: dts: ti: k3-j784s4-mcu: " Keerthy
2023-09-07 11:52 ` [PATCH v2 6/7] arm64: dts: ti: k3-j721s2-main: " Keerthy
2023-09-07 11:52 ` [PATCH v2 7/7] arm64: dts: ti: k3-j721s2-mcu: " Keerthy
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