From: Guenter Roeck <linux@roeck-us.net>
To: Primoz Fiser <primoz.fiser@norik.com>
Cc: linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org,
Wim Van Sebroeck <wim@linux-watchdog.org>,
Support Opensource <support.opensource@diasemi.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
NXP Linux Team <linux-imx@nxp.com>,
Marco Felsch <m.felsch@pengutronix.de>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Andrej Picej <andrej.picej@norik.com>,
upstream@phytec.de
Subject: Re: [PATCH 3/3] ARM: dts: imx6: phyFLEX: disable da9063 watchdog during suspend
Date: Sat, 14 May 2022 06:57:38 -0700 [thread overview]
Message-ID: <20220514135738.GA1243983@roeck-us.net> (raw)
In-Reply-To: <20220422072713.3172345-3-primoz.fiser@norik.com>
On Fri, Apr 22, 2022 at 09:27:13AM +0200, Primoz Fiser wrote:
> If DA9063 PMIC is left enabled during suspend, PMIC's watchdog needs to
> be disabled before entering suspended state to allow board to sleep for
> longer period than the watchdog timeout period. Otherwise board will be
> reset by the watchdog. Thus disable watchdog on suspend and re-enable it
> upon resume.
>
> Signed-off-by: Primoz Fiser <primoz.fiser@norik.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
> ---
> arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi
> index 1f2ba6f6254e..56b29c3294c6 100644
> --- a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi
> @@ -212,6 +212,7 @@ da9063_rtc: rtc {
>
> da9063_wdog: watchdog {
> compatible = "dlg,da9063-watchdog";
> + dlg,use-sw-pm;
> };
>
> onkey {
next prev parent reply other threads:[~2022-05-14 13:57 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-22 7:27 [PATCH 1/3] dt-bindings: mfd: da9063: watchdog: add suspend disable option Primoz Fiser
2022-04-22 7:27 ` [PATCH 2/3] watchdog: da9063: optionally disable watchdog during suspend Primoz Fiser
2022-05-09 10:38 ` DLG Adam Thomson
2022-05-11 8:47 ` Primoz Fiser
2022-05-11 9:03 ` DLG Adam Thomson
2022-05-14 13:56 ` Guenter Roeck
2022-04-22 7:27 ` [PATCH 3/3] ARM: dts: imx6: phyFLEX: disable da9063 " Primoz Fiser
2022-05-14 13:57 ` Guenter Roeck [this message]
2022-05-02 20:56 ` [PATCH 1/3] dt-bindings: mfd: da9063: watchdog: add suspend disable option Rob Herring
2022-05-03 6:53 ` Primoz Fiser
2022-05-04 0:37 ` Rob Herring
2022-05-09 8:50 ` DLG Adam Thomson
2022-05-11 8:09 ` Primoz Fiser
2022-05-11 8:28 ` DLG Adam Thomson
2022-05-14 13:55 ` Guenter Roeck
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