[PATCH v2 2/3] mx6sabresd: Convert to watchdog driver model

Tom Rini trini at konsulko.com
Fri Feb 2 17:07:02 CET 2024


On Fri, Feb 02, 2024 at 01:04:04PM -0300, Fabio Estevam wrote:

> From: Fabio Estevam <festevam at denx.de>
> 
> Commit 68dcbdd594d4 ("ARM: imx: Add weak default reset_cpu()") caused
> the 'reset' command in U-Boot to not cause a board reset.
> 
> Fix it by switching to the watchdog driver model via sysreset, which
> is the preferred method for implementing the watchdog reset.
> 
> Signed-off-by: Fabio Estevam <festevam at denx.de>
> ---
> Changes since v1:
> - None.
> 
>  arch/arm/dts/imx6qdl-sabresd-u-boot.dtsi | 9 +++++++++
>  configs/mx6sabresd_defconfig             | 3 +++
>  2 files changed, 12 insertions(+)
> 
> diff --git a/arch/arm/dts/imx6qdl-sabresd-u-boot.dtsi b/arch/arm/dts/imx6qdl-sabresd-u-boot.dtsi
> index 5c4101b76da2..9e9c4422f00e 100644
> --- a/arch/arm/dts/imx6qdl-sabresd-u-boot.dtsi
> +++ b/arch/arm/dts/imx6qdl-sabresd-u-boot.dtsi
> @@ -9,6 +9,11 @@
>  	aliases {
>  		mmc1 = &usdhc3;
>  	};
> +	wdt-reboot {
> +		compatible = "wdt-reboot";
> +		wdt = <&wdog2>;
> +		bootph-pre-ram;
> +	};
>  };
>  
>  &usdhc3 {
> @@ -18,3 +23,7 @@
>  &pinctrl_usdhc3 {
>  	bootph-pre-ram;
>  };
> +
> +&wdog2 {
> +	bootph-pre-ram;
> +};

Can all of this be upstreamed as well?

-- 
Tom
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